Linux 5.17.15

index 28e0ae6e890e..00c2db101ce5 100644
@@ -345,9 +345,10 @@ static struct clk_hw *clk_hw_register_ddiv(const char *name,
 	psc->hw.init = &init;
 
 	clk = clk_register(NULL, &psc->hw);
-	if (IS_ERR(clk))
+	if (IS_ERR(clk)) {
 		kfree(psc);
-
+		return ERR_CAST(clk);
+	}
 	return &psc->hw;
 }
 

@@ -452,9 +453,10 @@ static struct clk_hw *clk_hw_register_div(const char *name,
 	psc->hw.init = &init;
 
 	clk = clk_register(NULL, &psc->hw);
-	if (IS_ERR(clk))
+	if (IS_ERR(clk)) {
 		kfree(psc);
-
+		return ERR_CAST(clk);
+	}
 	return &psc->hw;
 }
 

index cbc41e261f1e..c679c57ec76e 100644
@@ -1120,6 +1120,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 			bpf_jit_binary_free(header);
 			prog->bpf_func = NULL;
 			prog->jited = 0;
+			prog->jited_len = 0;
 			goto out_off;
 		}
 		bpf_jit_binary_lock_ro(header);

index 87151d67d91e..bce5ca56c388 100644
@@ -42,7 +42,8 @@ extern void paging_init(void);
  * ZERO_PAGE is a global shared page that is always zero: used
  * for zero-mapped memory areas etc..
  */
-#define ZERO_PAGE(vaddr)	(virt_to_page(0))
+extern void *empty_zero_page;
+#define ZERO_PAGE(vaddr)	(virt_to_page(empty_zero_page))
 
 /*
  * All 32bit addresses are effectively valid for vmalloc...

index 49e573b94326..811c7b85db87 100644
@@ -87,15 +87,8 @@ void (*mach_sched_init) (void) __initdata = NULL;
 void (*mach_init_IRQ) (void) __initdata = NULL;
 void (*mach_get_model) (char *model);
 void (*mach_get_hardware_list) (struct seq_file *m);
-/* machine dependent timer functions */
-int (*mach_hwclk) (int, struct rtc_time*);
-EXPORT_SYMBOL(mach_hwclk);
 unsigned int (*mach_get_ss)(void);
-int (*mach_get_rtc_pll)(struct rtc_pll_info *);
-int (*mach_set_rtc_pll)(struct rtc_pll_info *);
 EXPORT_SYMBOL(mach_get_ss);
-EXPORT_SYMBOL(mach_get_rtc_pll);
-EXPORT_SYMBOL(mach_set_rtc_pll);
 void (*mach_reset)( void );
 void (*mach_halt)( void );
 void (*mach_power_off)( void );

index 5e4104f07a44..19eea73d3c17 100644
@@ -50,7 +50,6 @@ char __initdata command_line[COMMAND_LINE_SIZE];
 
 /* machine dependent timer functions */
 void (*mach_sched_init)(void) __initdata = NULL;
-int (*mach_hwclk) (int, struct rtc_time*);
 
 /* machine dependent reboot functions */
 void (*mach_reset)(void);

index 340ffeea0a9d..a97600b2af50 100644
@@ -63,6 +63,15 @@ void timer_heartbeat(void)
 #endif /* CONFIG_HEARTBEAT */
 
 #ifdef CONFIG_M68KCLASSIC
+/* machine dependent timer functions */
+int (*mach_hwclk) (int, struct rtc_time*);
+EXPORT_SYMBOL(mach_hwclk);
+
+int (*mach_get_rtc_pll)(struct rtc_pll_info *);
+int (*mach_set_rtc_pll)(struct rtc_pll_info *);
+EXPORT_SYMBOL(mach_get_rtc_pll);
+EXPORT_SYMBOL(mach_set_rtc_pll);
+
 #if !IS_BUILTIN(CONFIG_RTC_DRV_GENERIC)
 void read_persistent_clock64(struct timespec64 *ts)
 {

index 17aff13cd7ce..3e386f7e1545 100644
@@ -28,6 +28,7 @@ phys_addr_t __weak mips_cpc_default_phys_base(void)
 	cpc_node = of_find_compatible_node(of_root, NULL, "mti,mips-cpc");
 	if (cpc_node) {
 		err = of_address_to_resource(cpc_node, 0, &res);
+		of_node_put(cpc_node);
 		if (!err)
 			return res.start;
 	}

index d6e649b3c70b..bc3e1de9d08b 100644
@@ -14,10 +14,16 @@
 
 #ifdef __KERNEL__
 
-#if defined(CONFIG_VMAP_STACK) && CONFIG_THREAD_SHIFT < PAGE_SHIFT
+#ifdef CONFIG_KASAN
+#define MIN_THREAD_SHIFT	(CONFIG_THREAD_SHIFT + 1)
+#else
+#define MIN_THREAD_SHIFT	CONFIG_THREAD_SHIFT
+#endif
+
+#if defined(CONFIG_VMAP_STACK) && MIN_THREAD_SHIFT < PAGE_SHIFT
 #define THREAD_SHIFT		PAGE_SHIFT
 #else
-#define THREAD_SHIFT		CONFIG_THREAD_SHIFT
+#define THREAD_SHIFT		MIN_THREAD_SHIFT
 #endif
 
 #define THREAD_SIZE		(1 << THREAD_SHIFT)

index 5dca19361316..09c49632bfe5 100644
@@ -17,9 +17,13 @@ int ptrace_get_fpr(struct task_struct *child, int index, unsigned long *data)
 
 #ifdef CONFIG_PPC_FPU_REGS
 	flush_fp_to_thread(child);
-	if (fpidx < (PT_FPSCR - PT_FPR0))
-		memcpy(data, &child->thread.TS_FPR(fpidx), sizeof(long));
-	else
+	if (fpidx < (PT_FPSCR - PT_FPR0)) {
+		if (IS_ENABLED(CONFIG_PPC32))
+			// On 32-bit the index we are passed refers to 32-bit words
+			*data = ((u32 *)child->thread.fp_state.fpr)[fpidx];
+		else
+			memcpy(data, &child->thread.TS_FPR(fpidx), sizeof(long));
+	} else
 		*data = child->thread.fp_state.fpscr;
 #else
 	*data = 0;

@@ -39,9 +43,13 @@ int ptrace_put_fpr(struct task_struct *child, int index, unsigned long data)
 
 #ifdef CONFIG_PPC_FPU_REGS
 	flush_fp_to_thread(child);
-	if (fpidx < (PT_FPSCR - PT_FPR0))
-		memcpy(&child->thread.TS_FPR(fpidx), &data, sizeof(long));
-	else
+	if (fpidx < (PT_FPSCR - PT_FPR0)) {
+		if (IS_ENABLED(CONFIG_PPC32))
+			// On 32-bit the index we are passed refers to 32-bit words
+			((u32 *)child->thread.fp_state.fpr)[fpidx] = data;
+		else
+			memcpy(&child->thread.TS_FPR(fpidx), &data, sizeof(long));
+	} else
 		child->thread.fp_state.fpscr = data;
 #endif
 

index c43f77e2ac31..6d45fa288015 100644
@@ -445,4 +445,7 @@ void __init pt_regs_check(void)
 	 * real registers.
 	 */
 	BUILD_BUG_ON(PT_DSCR < sizeof(struct user_pt_regs) / sizeof(unsigned long));
+
+	// ptrace_get/put_fpr() rely on PPC32 and VSX being incompatible
+	BUILD_BUG_ON(IS_ENABLED(CONFIG_PPC32) && IS_ENABLED(CONFIG_VSX));
 }

index 024159298231..1aa540350abd 100644
@@ -65,7 +65,7 @@ static int __init set_permissions(pte_t *ptep, unsigned long addr, void *data)
 
 	if (md->attribute & EFI_MEMORY_RO) {
 		val = pte_val(pte) & ~_PAGE_WRITE;
-		val = pte_val(pte) | _PAGE_READ;
+		val |= _PAGE_READ;
 		pte = __pte(val);
 	}
 	if (md->attribute & EFI_MEMORY_XP) {

index cbef0fc73afa..df8e24559035 100644
@@ -65,7 +65,9 @@ machine_kexec_prepare(struct kimage *image)
 		if (image->segment[i].memsz <= sizeof(fdt))
 			continue;
 
-		if (copy_from_user(&fdt, image->segment[i].buf, sizeof(fdt)))
+		if (image->file_mode)
+			memcpy(&fdt, image->segment[i].buf, sizeof(fdt));
+		else if (copy_from_user(&fdt, image->segment[i].buf, sizeof(fdt)))
 			continue;
 
 		if (fdt_check_header(&fdt))

index 54c7536f2482..1023e9d43d44 100644
@@ -701,7 +701,7 @@ static inline void _gcm_sg_unmap_and_advance(struct gcm_sg_walk *gw,
 					     unsigned int nbytes)
 {
 	gw->walk_bytes_remain -= nbytes;
-	scatterwalk_unmap(&gw->walk);
+	scatterwalk_unmap(gw->walk_ptr);
 	scatterwalk_advance(&gw->walk, nbytes);
 	scatterwalk_done(&gw->walk, 0, gw->walk_bytes_remain);
 	gw->walk_ptr = NULL;

@@ -776,7 +776,7 @@ static int gcm_out_walk_go(struct gcm_sg_walk *gw, unsigned int minbytesneeded)
 		goto out;
 	}
 
-	scatterwalk_unmap(&gw->walk);
+	scatterwalk_unmap(gw->walk_ptr);
 	gw->walk_ptr = NULL;
 
 	gw->ptr = gw->buf;

index dfee0ebb2fac..88f6d923ee45 100644
@@ -2601,6 +2601,18 @@ static int __s390_enable_skey_pte(pte_t *pte, unsigned long addr,
 	return 0;
 }
 
+/*
+ * Give a chance to schedule after setting a key to 256 pages.
+ * We only hold the mm lock, which is a rwsem and the kvm srcu.
+ * Both can sleep.
+ */
+static int __s390_enable_skey_pmd(pmd_t *pmd, unsigned long addr,
+				  unsigned long next, struct mm_walk *walk)
+{
+	cond_resched();
+	return 0;
+}
+
 static int __s390_enable_skey_hugetlb(pte_t *pte, unsigned long addr,
 				      unsigned long hmask, unsigned long next,
 				      struct mm_walk *walk)

@@ -2623,12 +2635,14 @@ static int __s390_enable_skey_hugetlb(pte_t *pte, unsigned long addr,
 	end = start + HPAGE_SIZE - 1;
 	__storage_key_init_range(start, end);
 	set_bit(PG_arch_1, &page->flags);
+	cond_resched();
 	return 0;
 }
 
 static const struct mm_walk_ops enable_skey_walk_ops = {
 	.hugetlb_entry		= __s390_enable_skey_hugetlb,
 	.pte_entry		= __s390_enable_skey_pte,
+	.pmd_entry		= __s390_enable_skey_pmd,
 };
 
 int s390_enable_skey(void)

index 62997055c454..26a702a06515 100644
@@ -133,7 +133,7 @@ static void line_timer_cb(struct work_struct *work)
 	struct line *line = container_of(work, struct line, task.work);
 
 	if (!line->throttled)
-		chan_interrupt(line, line->driver->read_irq);
+		chan_interrupt(line, line->read_irq);
 }
 
 int enable_chan(struct line *line)

@@ -195,9 +195,9 @@ void free_irqs(void)
 		chan = list_entry(ele, struct chan, free_list);
 
 		if (chan->input && chan->enabled)
-			um_free_irq(chan->line->driver->read_irq, chan);
+			um_free_irq(chan->line->read_irq, chan);
 		if (chan->output && chan->enabled)
-			um_free_irq(chan->line->driver->write_irq, chan);
+			um_free_irq(chan->line->write_irq, chan);
 		chan->enabled = 0;
 	}
 }

@@ -215,9 +215,9 @@ static void close_one_chan(struct chan *chan, int delay_free_irq)
 		spin_unlock_irqrestore(&irqs_to_free_lock, flags);
 	} else {
 		if (chan->input && chan->enabled)
-			um_free_irq(chan->line->driver->read_irq, chan);
+			um_free_irq(chan->line->read_irq, chan);
 		if (chan->output && chan->enabled)
-			um_free_irq(chan->line->driver->write_irq, chan);
+			um_free_irq(chan->line->write_irq, chan);
 		chan->enabled = 0;
 	}
 	if (chan->ops->close != NULL)

index 8febf95da96e..02b0befd6763 100644
@@ -139,7 +139,7 @@ static int flush_buffer(struct line *line)
 		count = line->buffer + LINE_BUFSIZE - line->head;
 
 		n = write_chan(line->chan_out, line->head, count,
-			       line->driver->write_irq);
+			       line->write_irq);
 		if (n < 0)
 			return n;
 		if (n == count) {

@@ -156,7 +156,7 @@ static int flush_buffer(struct line *line)
 
 	count = line->tail - line->head;
 	n = write_chan(line->chan_out, line->head, count,
-		       line->driver->write_irq);
+		       line->write_irq);
 
 	if (n < 0)
 		return n;

@@ -195,7 +195,7 @@ int line_write(struct tty_struct *tty, const unsigned char *buf, int len)
 		ret = buffer_data(line, buf, len);
 	else {
 		n = write_chan(line->chan_out, buf, len,
-			       line->driver->write_irq);
+			       line->write_irq);
 		if (n < 0) {
 			ret = n;
 			goto out_up;

@@ -215,7 +215,7 @@ void line_throttle(struct tty_struct *tty)
 {
 	struct line *line = tty->driver_data;
 
-	deactivate_chan(line->chan_in, line->driver->read_irq);
+	deactivate_chan(line->chan_in, line->read_irq);
 	line->throttled = 1;
 }
 

@@ -224,7 +224,7 @@ void line_unthrottle(struct tty_struct *tty)
 	struct line *line = tty->driver_data;
 
 	line->throttled = 0;
-	chan_interrupt(line, line->driver->read_irq);
+	chan_interrupt(line, line->read_irq);
 }
 
 static irqreturn_t line_write_interrupt(int irq, void *data)

@@ -260,19 +260,23 @@ int line_setup_irq(int fd, int input, int output, struct line *line, void *data)
 	int err;
 
 	if (input) {
-		err = um_request_irq(driver->read_irq, fd, IRQ_READ,
-				     line_interrupt, IRQF_SHARED,
+		err = um_request_irq(UM_IRQ_ALLOC, fd, IRQ_READ,
+				     line_interrupt, 0,
 				     driver->read_irq_name, data);
 		if (err < 0)
 			return err;
+
+		line->read_irq = err;
 	}
 
 	if (output) {
-		err = um_request_irq(driver->write_irq, fd, IRQ_WRITE,
-				     line_write_interrupt, IRQF_SHARED,
+		err = um_request_irq(UM_IRQ_ALLOC, fd, IRQ_WRITE,
+				     line_write_interrupt, 0,
 				     driver->write_irq_name, data);
 		if (err < 0)
 			return err;
+
+		line->write_irq = err;
 	}
 
 	return 0;

index bdb16b96e76f..f15be75a3bf3 100644
@@ -23,9 +23,7 @@ struct line_driver {
 	const short minor_start;
 	const short type;
 	const short subtype;
-	const int read_irq;
 	const char *read_irq_name;
-	const int write_irq;
 	const char *write_irq_name;
 	struct mc_device mc;
 	struct tty_driver *driver;

@@ -35,6 +33,8 @@ struct line {
 	struct tty_port port;
 	int valid;
 
+	int read_irq, write_irq;
+
 	char *init_str;
 	struct list_head chan_list;
 	struct chan *chan_in, *chan_out;

index 41eae2e8fb65..8514966778d5 100644
@@ -47,9 +47,7 @@ static struct line_driver driver = {
 	.minor_start 		= 64,
 	.type 		 	= TTY_DRIVER_TYPE_SERIAL,
 	.subtype 	 	= 0,
-	.read_irq 		= SSL_IRQ,
 	.read_irq_name 		= "ssl",
-	.write_irq 		= SSL_WRITE_IRQ,
 	.write_irq_name 	= "ssl-write",
 	.mc  = {
 		.list		= LIST_HEAD_INIT(driver.mc.list),

index e8b762f4d8c2..489d5a746ed3 100644
@@ -53,9 +53,7 @@ static struct line_driver driver = {
 	.minor_start 		= 0,
 	.type 		 	= TTY_DRIVER_TYPE_CONSOLE,
 	.subtype 	 	= SYSTEM_TYPE_CONSOLE,
-	.read_irq 		= CONSOLE_IRQ,
 	.read_irq_name 		= "console",
-	.write_irq 		= CONSOLE_WRITE_IRQ,
 	.write_irq_name 	= "console-write",
 	.mc  = {
 		.list		= LIST_HEAD_INIT(driver.mc.list),

index e187c789369d..749dfe8512e8 100644
@@ -4,19 +4,15 @@
 
 #define TIMER_IRQ		0
 #define UMN_IRQ			1
-#define CONSOLE_IRQ		2
-#define CONSOLE_WRITE_IRQ	3
-#define UBD_IRQ			4
-#define UM_ETH_IRQ		5
-#define SSL_IRQ			6
-#define SSL_WRITE_IRQ		7
-#define ACCEPT_IRQ		8
-#define MCONSOLE_IRQ		9
-#define WINCH_IRQ		10
-#define SIGIO_WRITE_IRQ 	11
-#define TELNETD_IRQ 		12
-#define XTERM_IRQ 		13
-#define RANDOM_IRQ 		14
+#define UBD_IRQ			2
+#define UM_ETH_IRQ		3
+#define ACCEPT_IRQ		4
+#define MCONSOLE_IRQ		5
+#define WINCH_IRQ		6
+#define SIGIO_WRITE_IRQ 	7
+#define TELNETD_IRQ 		8
+#define XTERM_IRQ 		9
+#define RANDOM_IRQ 		10
 
 #ifdef CONFIG_UML_NET_VECTOR
 

index 1261842d006c..49a3b122279e 100644
@@ -51,7 +51,7 @@ extern const char * const x86_power_flags[32];
 extern const char * const x86_bug_flags[NBUGINTS*32];
 
 #define test_cpu_cap(c, bit)						\
-	 test_bit(bit, (unsigned long *)((c)->x86_capability))
+	 arch_test_bit(bit, (unsigned long *)((c)->x86_capability))
 
 /*
  * There are 32 bits/features in each mask word.  The high bits

index 1c14bcce88f2..729ecf1e546c 100644
@@ -466,7 +466,7 @@ do {									\
 		       [ptr] "+m" (*_ptr),				\
 		       [old] "+a" (__old)				\
 		     : [new] ltype (__new)				\
-		     : "memory", "cc");					\
+		     : "memory");					\
 	if (unlikely(__err))						\
 		goto label;						\
 	if (unlikely(!success))						\

index 342b1cf5d713..dc6940621d7d 100644
@@ -668,6 +668,7 @@ static void bio_alloc_cache_destroy(struct bio_set *bs)
 		bio_alloc_cache_prune(cache, -1U);
 	}
 	free_percpu(bs->cache);
+	bs->cache = NULL;
 }
 
 /**

@@ -1308,10 +1309,12 @@ void bio_copy_data_iter(struct bio *dst, struct bvec_iter *dst_iter,
 		struct bio_vec src_bv = bio_iter_iovec(src, *src_iter);
 		struct bio_vec dst_bv = bio_iter_iovec(dst, *dst_iter);
 		unsigned int bytes = min(src_bv.bv_len, dst_bv.bv_len);
-		void *src_buf;
+		void *src_buf = bvec_kmap_local(&src_bv);
+		void *dst_buf = bvec_kmap_local(&dst_bv);
 
-		src_buf = bvec_kmap_local(&src_bv);
-		memcpy_to_bvec(&dst_bv, src_buf);
+		memcpy(dst_buf, src_buf, bytes);
+
+		kunmap_local(dst_buf);
 		kunmap_local(src_buf);
 
 		bio_advance_iter_single(src, src_iter, bytes);

index 779b4a1f66ac..45d750eb2628 100644
@@ -992,7 +992,7 @@ int bio_poll(struct bio *bio, struct io_comp_batch *iob, unsigned int flags)
 	if (current->plug)
 		blk_flush_plug(current->plug, false);
 
-	if (blk_queue_enter(q, BLK_MQ_REQ_NOWAIT))
+	if (bio_queue_enter(bio))
 		return 0;
 	if (WARN_ON_ONCE(!queue_is_mq(q)))
 		ret = 0;	/* not yet implemented, should not happen */

index 0aa20df31e36..f18e1c9c3f4a 100644
@@ -132,7 +132,8 @@ static bool blk_mq_check_inflight(struct request *rq, void *priv,
 {
 	struct mq_inflight *mi = priv;
 
-	if ((!mi->part->bd_partno || rq->part == mi->part) &&
+	if (rq->part && blk_do_io_stat(rq) &&
+	    (!mi->part->bd_partno || rq->part == mi->part) &&
 	    blk_mq_rq_state(rq) == MQ_RQ_IN_FLIGHT)
 		mi->inflight[rq_data_dir(rq)]++;
 

@@ -2114,8 +2115,7 @@ static bool blk_mq_has_sqsched(struct request_queue *q)
  */
 static struct blk_mq_hw_ctx *blk_mq_get_sq_hctx(struct request_queue *q)
 {
-	struct blk_mq_hw_ctx *hctx;
-
+	struct blk_mq_ctx *ctx = blk_mq_get_ctx(q);
 	/*
 	 * If the IO scheduler does not respect hardware queues when
 	 * dispatching, we just don't bother with multiple HW queues and

@@ -2123,8 +2123,8 @@ static struct blk_mq_hw_ctx *blk_mq_get_sq_hctx(struct request_queue *q)
 	 * just causes lock contention inside the scheduler and pointless cache
 	 * bouncing.
 	 */
-	hctx = blk_mq_map_queue_type(q, HCTX_TYPE_DEFAULT,
-				     raw_smp_processor_id());
+	struct blk_mq_hw_ctx *hctx = blk_mq_map_queue(q, 0, ctx);
+
 	if (!blk_mq_hctx_stopped(hctx))
 		return hctx;
 	return NULL;

index 9d9d702d0778..c284c1cf3396 100644
@@ -380,6 +380,8 @@ int disk_scan_partitions(struct gendisk *disk, fmode_t mode)
 
 	if (disk->flags & (GENHD_FL_NO_PART | GENHD_FL_HIDDEN))
 		return -EINVAL;
+	if (test_bit(GD_SUPPRESS_PART_SCAN, &disk->state))
+		return -EINVAL;
 	if (disk->open_partitions)
 		return -EBUSY;
 

index 760c0d81d148..a3a547ed0eb0 100644
@@ -2003,16 +2003,16 @@ unsigned int ata_read_log_page(struct ata_device *dev, u8 log,
 	return err_mask;
 }
 
-static bool ata_log_supported(struct ata_device *dev, u8 log)
+static int ata_log_supported(struct ata_device *dev, u8 log)
 {
 	struct ata_port *ap = dev->link->ap;
 
 	if (dev->horkage & ATA_HORKAGE_NO_LOG_DIR)
-		return false;
+		return 0;
 
 	if (ata_read_log_page(dev, ATA_LOG_DIRECTORY, 0, ap->sector_buf, 1))
-		return false;
-	return get_unaligned_le16(&ap->sector_buf[log * 2]) ? true : false;
+		return 0;
+	return get_unaligned_le16(&ap->sector_buf[log * 2]);
 }
 
 static bool ata_identify_page_supported(struct ata_device *dev, u8 page)

@@ -2448,15 +2448,20 @@ static void ata_dev_config_cpr(struct ata_device *dev)
 	struct ata_cpr_log *cpr_log = NULL;
 	u8 *desc, *buf = NULL;
 
-	if (ata_id_major_version(dev->id) < 11 ||
-	    !ata_log_supported(dev, ATA_LOG_CONCURRENT_POSITIONING_RANGES))
+	if (ata_id_major_version(dev->id) < 11)
+		goto out;
+
+	buf_len = ata_log_supported(dev, ATA_LOG_CONCURRENT_POSITIONING_RANGES);
+	if (buf_len == 0)
 		goto out;
 
 	/*
 	 * Read the concurrent positioning ranges log (0x47). We can have at
-	 * most 255 32B range descriptors plus a 64B header.
+	 * most 255 32B range descriptors plus a 64B header. This log varies in
+	 * size, so use the size reported in the GPL directory. Reading beyond
+	 * the supported length will result in an error.
 	 */
-	buf_len = (64 + 255 * 32 + 511) & ~511;
+	buf_len <<= 9;
 	buf = kzalloc(buf_len, GFP_KERNEL);
 	if (!buf)
 		goto out;

index ed8be585a98f..673f95a21eb2 100644
@@ -2119,7 +2119,7 @@ static unsigned int ata_scsiop_inq_b9(struct ata_scsi_args *args, u8 *rbuf)
 
 	/* SCSI Concurrent Positioning Ranges VPD page: SBC-5 rev 1 or later */
 	rbuf[1] = 0xb9;
-	put_unaligned_be16(64 + (int)cpr_log->nr_cpr * 32 - 4, &rbuf[3]);
+	put_unaligned_be16(64 + (int)cpr_log->nr_cpr * 32 - 4, &rbuf[2]);
 
 	for (i = 0; i < cpr_log->nr_cpr; i++, desc += 32) {
 		desc[0] = cpr_log->cpr[i].num;

index ca129854a88c..c38027887499 100644
@@ -196,7 +196,7 @@ static struct {
 	{ XFER_PIO_0,			"XFER_PIO_0" },
 	{ XFER_PIO_SLOW,		"XFER_PIO_SLOW" }
 };
-ata_bitfield_name_match(xfer,ata_xfer_names)
+ata_bitfield_name_search(xfer, ata_xfer_names)
 
 /*
  * ATA Port attributes

index 05c2ab375756..a2abf6c9a085 100644
@@ -856,12 +856,14 @@ static int octeon_cf_probe(struct platform_device *pdev)
 				int i;
 				res_dma = platform_get_resource(dma_dev, IORESOURCE_MEM, 0);
 				if (!res_dma) {
+					put_device(&dma_dev->dev);
 					of_node_put(dma_node);
 					return -EINVAL;
 				}
 				cf_port->dma_base = (u64)devm_ioremap(&pdev->dev, res_dma->start,
 									 resource_size(res_dma));
 				if (!cf_port->dma_base) {
+					put_device(&dma_dev->dev);
 					of_node_put(dma_node);
 					return -EINVAL;
 				}

@@ -871,6 +873,7 @@ static int octeon_cf_probe(struct platform_device *pdev)
 					irq = i;
 					irq_handler = octeon_cf_interrupt;
 				}
+				put_device(&dma_dev->dev);
 			}
 			of_node_put(dma_node);
 		}

index 97936ec49bde..7ca47e5b3c1f 100644
@@ -617,7 +617,7 @@ int bus_add_driver(struct device_driver *drv)
 	if (drv->bus->p->drivers_autoprobe) {
 		error = driver_attach(drv);
 		if (error)
-			goto out_unregister;
+			goto out_del_list;
 	}
 	module_add_driver(drv->owner, drv);
 

@@ -644,6 +644,8 @@ int bus_add_driver(struct device_driver *drv)
 
 	return 0;
 
+out_del_list:
+	klist_del(&priv->knode_bus);
 out_unregister:
 	kobject_put(&priv->kobj);
 	/* drv->p is freed in driver_release()  */

index 7e079fa3795b..86fd2ea35656 100644
@@ -257,7 +257,6 @@ DEFINE_SHOW_ATTRIBUTE(deferred_devs);
 
 int driver_deferred_probe_timeout;
 EXPORT_SYMBOL_GPL(driver_deferred_probe_timeout);
-static DECLARE_WAIT_QUEUE_HEAD(probe_timeout_waitqueue);
 
 static int __init deferred_probe_timeout_setup(char *str)
 {

@@ -312,7 +311,6 @@ static void deferred_probe_timeout_work_func(struct work_struct *work)
 	list_for_each_entry(p, &deferred_probe_pending_list, deferred_probe)
 		dev_info(p->device, "deferred probe pending\n");
 	mutex_unlock(&deferred_probe_mutex);
-	wake_up_all(&probe_timeout_waitqueue);
 }
 static DECLARE_DELAYED_WORK(deferred_probe_timeout_work, deferred_probe_timeout_work_func);
 

@@ -720,9 +718,6 @@ int driver_probe_done(void)
  */
 void wait_for_device_probe(void)
 {
-	/* wait for probe timeout */
-	wait_event(probe_timeout_waitqueue, !driver_deferred_probe_timeout);
-
 	/* wait for the deferred probe workqueue to finish */
 	flush_work(&deferred_probe_work);
 

@@ -945,6 +940,7 @@ static void __device_attach_async_helper(void *_dev, async_cookie_t cookie)
 static int __device_attach(struct device *dev, bool allow_async)
 {
 	int ret = 0;
+	bool async = false;
 
 	device_lock(dev);
 	if (dev->p->dead) {

@@ -983,7 +979,7 @@ static int __device_attach(struct device *dev, bool allow_async)
 			 */
 			dev_dbg(dev, "scheduling asynchronous probe\n");
 			get_device(dev);
-			async_schedule_dev(__device_attach_async_helper, dev);
+			async = true;
 		} else {
 			pm_request_idle(dev);
 		}

@@ -993,6 +989,8 @@ static int __device_attach(struct device *dev, bool allow_async)
 	}
 out_unlock:
 	device_unlock(dev);
+	if (async)
+		async_schedule_dev(__device_attach_async_helper, dev);
 	return ret;
 }
 

index d46a3d5d0c2e..3411d3c0a5b0 100644
@@ -1067,7 +1067,7 @@ static int loop_configure(struct loop_device *lo, fmode_t mode,
 		lo->lo_flags |= LO_FLAGS_PARTSCAN;
 	partscan = lo->lo_flags & LO_FLAGS_PARTSCAN;
 	if (partscan)
-		lo->lo_disk->flags &= ~GENHD_FL_NO_PART;
+		clear_bit(GD_SUPPRESS_PART_SCAN, &lo->lo_disk->state);
 
 	loop_global_unlock(lo, is_loop);
 	if (partscan)

@@ -1186,7 +1186,7 @@ static void __loop_clr_fd(struct loop_device *lo, bool release)
 	 */
 	lo->lo_flags = 0;
 	if (!part_shift)
-		lo->lo_disk->flags |= GENHD_FL_NO_PART;
+		set_bit(GD_SUPPRESS_PART_SCAN, &lo->lo_disk->state);
 	mutex_lock(&lo->lo_mutex);
 	lo->lo_state = Lo_unbound;
 	mutex_unlock(&lo->lo_mutex);

@@ -1296,7 +1296,7 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
 
 	if (!err && (lo->lo_flags & LO_FLAGS_PARTSCAN) &&
 	     !(prev_lo_flags & LO_FLAGS_PARTSCAN)) {
-		lo->lo_disk->flags &= ~GENHD_FL_NO_PART;
+		clear_bit(GD_SUPPRESS_PART_SCAN, &lo->lo_disk->state);
 		partscan = true;
 	}
 out_unlock:

@@ -2028,7 +2028,7 @@ static int loop_add(int i)
 	 * userspace tools. Parameters like this in general should be avoided.
 	 */
 	if (!part_shift)
-		disk->flags |= GENHD_FL_NO_PART;
+		set_bit(GD_SUPPRESS_PART_SCAN, &disk->state);
 	atomic_set(&lo->lo_refcnt, 0);
 	mutex_init(&lo->lo_mutex);
 	lo->lo_number		= i;

140 lines not on this page · raw message

index 7a1b1f9e4933..70d00cea9d22 100644
@@ -3395,7 +3395,9 @@ static int sysc_remove(struct platform_device *pdev)
 	struct sysc *ddata = platform_get_drvdata(pdev);
 	int error;
 
-	cancel_delayed_work_sync(&ddata->idle_work);
+	/* Device can still be enabled, see deferred idle quirk in probe */
+	if (cancel_delayed_work_sync(&ddata->idle_work))
+		ti_sysc_idle(&ddata->idle_work.work);
 
 	error = pm_runtime_resume_and_get(ddata->dev);
 	if (error < 0) {

index e856df7e285c..a6f3a8a2aca6 100644
@@ -159,6 +159,8 @@ static int probe_common(struct virtio_device *vdev)
 		goto err_find;
 	}
 
+	virtio_device_ready(vdev);
+
 	/* we always have a pending entropy request */
 	request_entropy(vi);
 

index d6aa4b57d985..634b980c47b7 100644
@@ -789,8 +789,8 @@ static void __cold _credit_init_bits(size_t bits)
  *
  **********************************************************************/
 
-static bool trust_cpu __ro_after_init = IS_ENABLED(CONFIG_RANDOM_TRUST_CPU);
-static bool trust_bootloader __ro_after_init = IS_ENABLED(CONFIG_RANDOM_TRUST_BOOTLOADER);
+static bool trust_cpu __initdata = IS_ENABLED(CONFIG_RANDOM_TRUST_CPU);
+static bool trust_bootloader __initdata = IS_ENABLED(CONFIG_RANDOM_TRUST_BOOTLOADER);
 static int __init parse_trust_cpu(char *arg)
 {
 	return kstrtobool(arg, &trust_cpu);

@@ -813,7 +813,7 @@ early_param("random.trust_bootloader", parse_trust_bootloader);
 int __init random_init(const char *command_line)
 {
 	ktime_t now = ktime_get_real();
-	unsigned int i, arch_bytes;
+	unsigned int i, arch_bits;
 	unsigned long entropy;
 
 #if defined(LATENT_ENTROPY_PLUGIN)

@@ -821,12 +821,12 @@ int __init random_init(const char *command_line)
 	_mix_pool_bytes(compiletime_seed, sizeof(compiletime_seed));
 #endif
 
-	for (i = 0, arch_bytes = BLAKE2S_BLOCK_SIZE;
+	for (i = 0, arch_bits = BLAKE2S_BLOCK_SIZE * 8;
 	     i < BLAKE2S_BLOCK_SIZE; i += sizeof(entropy)) {
 		if (!arch_get_random_seed_long_early(&entropy) &&
 		    !arch_get_random_long_early(&entropy)) {
 			entropy = random_get_entropy();
-			arch_bytes -= sizeof(entropy);
+			arch_bits -= sizeof(entropy) * 8;
 		}
 		_mix_pool_bytes(&entropy, sizeof(entropy));
 	}

@@ -838,7 +838,7 @@ int __init random_init(const char *command_line)
 	if (crng_ready())
 		crng_reseed();
 	else if (trust_cpu)
-		credit_init_bits(arch_bytes * 8);
+		_credit_init_bits(arch_bits);
 
 	return 0;
 }

@@ -886,13 +886,12 @@ EXPORT_SYMBOL_GPL(add_hwgenerator_randomness);
  * Handle random seed passed by bootloader, and credit it if
  * CONFIG_RANDOM_TRUST_BOOTLOADER is set.
  */
-void __cold add_bootloader_randomness(const void *buf, size_t len)
+void __init add_bootloader_randomness(const void *buf, size_t len)
 {
 	mix_pool_bytes(buf, len);
 	if (trust_bootloader)
 		credit_init_bits(len * 8);
 }
-EXPORT_SYMBOL_GPL(add_bootloader_randomness);
 
 struct fast_pool {
 	struct work_struct mix;

index dc3551796e5e..39bcbfd908b4 100644
@@ -549,6 +549,7 @@ static void cleanup_dev(struct kref *kref)
 	if (xdev->workq)
 		destroy_workqueue(xdev->workq);
 
+	usb_put_dev(xdev->udev);
 	kfree(xdev->channels); /* Argument may be NULL, and that's fine */
 	kfree(xdev);
 }

index 56c0cc32d0ac..d514b44e67dd 100644
@@ -236,7 +236,7 @@ static int __init oxnas_rps_timer_init(struct device_node *np)
 	}
 
 	rps->irq = irq_of_parse_and_map(np, 0);
-	if (rps->irq < 0) {
+	if (!rps->irq) {
 		ret = -EINVAL;
 		goto err_iomap;
 	}

index 1767f8bf2013..593d5a957b69 100644
@@ -34,7 +34,7 @@ static int riscv_clock_next_event(unsigned long delta,
 static unsigned int riscv_clock_event_irq;
 static DEFINE_PER_CPU(struct clock_event_device, riscv_clock_event) = {
 	.name			= "riscv_timer_clockevent",
-	.features		= CLOCK_EVT_FEAT_ONESHOT,
+	.features		= CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_C3STOP,
 	.rating			= 100,
 	.set_next_event		= riscv_clock_next_event,
 };

index 401d592e85f5..e6a87f4af2b5 100644
@@ -259,6 +259,11 @@ static int __init sp804_of_init(struct device_node *np, struct sp804_timer *time
 	struct clk *clk1, *clk2;
 	const char *name = of_get_property(np, "compatible", NULL);
 
+	if (initialized) {
+		pr_debug("%pOF: skipping further SP804 timer device\n", np);
+		return 0;
+	}
+
 	base = of_iomap(np, 0);
 	if (!base)
 		return -ENXIO;

@@ -270,11 +275,6 @@ static int __init sp804_of_init(struct device_node *np, struct sp804_timer *time
 	writel(0, timer1_base + timer->ctrl);
 	writel(0, timer2_base + timer->ctrl);
 
-	if (initialized || !of_device_is_available(np)) {
-		ret = -EINVAL;
-		goto err;
-	}
-
 	clk1 = of_clk_get(np, 0);
 	if (IS_ERR(clk1))
 		clk1 = NULL;

index bfff59617d04..f9ed55011775 100644
@@ -87,6 +87,27 @@ static inline void idxd_prep_desc_common(struct idxd_wq *wq,
 	hw->completion_addr = compl;
 }
 
+static struct dma_async_tx_descriptor *
+idxd_dma_prep_interrupt(struct dma_chan *c, unsigned long flags)
+{
+	struct idxd_wq *wq = to_idxd_wq(c);
+	u32 desc_flags;
+	struct idxd_desc *desc;
+
+	if (wq->state != IDXD_WQ_ENABLED)
+		return NULL;
+
+	op_flag_setup(flags, &desc_flags);
+	desc = idxd_alloc_desc(wq, IDXD_OP_BLOCK);
+	if (IS_ERR(desc))
+		return NULL;
+
+	idxd_prep_desc_common(wq, desc->hw, DSA_OPCODE_NOOP,
+			      0, 0, 0, desc->compl_dma, desc_flags);
+	desc->txd.flags = flags;
+	return &desc->txd;
+}
+
 static struct dma_async_tx_descriptor *
 idxd_dma_submit_memcpy(struct dma_chan *c, dma_addr_t dma_dest,
 		       dma_addr_t dma_src, size_t len, unsigned long flags)

@@ -193,10 +214,12 @@ int idxd_register_dma_device(struct idxd_device *idxd)
 	INIT_LIST_HEAD(&dma->channels);
 	dma->dev = dev;
 
+	dma_cap_set(DMA_INTERRUPT, dma->cap_mask);
 	dma_cap_set(DMA_PRIVATE, dma->cap_mask);
 	dma_cap_set(DMA_COMPLETION_NO_ORDER, dma->cap_mask);
 	dma->device_release = idxd_dma_release;
 
+	dma->device_prep_dma_interrupt = idxd_dma_prep_interrupt;
 	if (idxd->hw.opcap.bits[0] & IDXD_OPCAP_MEMMOVE) {
 		dma_cap_set(DMA_MEMCPY, dma->cap_mask);
 		dma->device_prep_dma_memcpy = idxd_dma_submit_memcpy;

index 7aa63b652027..3ffa7f37c701 100644
@@ -229,7 +229,7 @@ struct zynqmp_dma_chan {
 	bool is_dmacoherent;
 	struct tasklet_struct tasklet;
 	bool idle;
-	u32 desc_size;
+	size_t desc_size;
 	bool err;
 	u32 bus_width;
 	u32 src_burst_len;

@@ -486,7 +486,8 @@ static int zynqmp_dma_alloc_chan_resources(struct dma_chan *dchan)
 	}
 
 	chan->desc_pool_v = dma_alloc_coherent(chan->dev,
-					       (2 * chan->desc_size * ZYNQMP_DMA_NUM_DESCS),
+					       (2 * ZYNQMP_DMA_DESC_SIZE(chan) *
+					       ZYNQMP_DMA_NUM_DESCS),
 					       &chan->desc_pool_p, GFP_KERNEL);
 	if (!chan->desc_pool_v)
 		return -ENOMEM;

index 7c6d5857ff25..180be768c215 100644
@@ -394,8 +394,8 @@ static int axp288_extcon_probe(struct platform_device *pdev)
 		if (adev) {
 			info->id_extcon = extcon_get_extcon_dev(acpi_dev_name(adev));
 			put_device(&adev->dev);
-			if (!info->id_extcon)
-				return -EPROBE_DEFER;
+			if (IS_ERR(info->id_extcon))
+				return PTR_ERR(info->id_extcon);
 
 			dev_info(dev, "controlling USB role\n");
 		} else {

index 5b9a3cf8df26..2a7874108df8 100644
@@ -194,6 +194,13 @@ static int ptn5150_init_dev_type(struct ptn5150_info *info)
 	return 0;
 }
 
+static void ptn5150_work_sync_and_put(void *data)
+{
+	struct ptn5150_info *info = data;
+
+	cancel_work_sync(&info->irq_work);
+}
+
 static int ptn5150_i2c_probe(struct i2c_client *i2c)
 {
 	struct device *dev = &i2c->dev;

@@ -284,6 +291,10 @@ static int ptn5150_i2c_probe(struct i2c_client *i2c)
 	if (ret)
 		return -EINVAL;
 
+	ret = devm_add_action_or_reset(dev, ptn5150_work_sync_and_put, info);
+	if (ret)
+		return ret;
+
 	/*
 	 * Update current extcon state if for example OTG connection was there
 	 * before the probe

index a09e704fd0fa..97e35c32bfa5 100644
@@ -851,6 +851,8 @@ EXPORT_SYMBOL_GPL(extcon_set_property_capability);
  * @extcon_name:	the extcon name provided with extcon_dev_register()
  *
  * Return the pointer of extcon device if success or ERR_PTR(err) if fail.
+ * NOTE: This function returns -EPROBE_DEFER so it may only be called from
+ * probe() functions.
  */
 struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name)
 {

@@ -864,7 +866,7 @@ struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name)
 		if (!strcmp(sd->name, extcon_name))
 			goto out;
 	}
-	sd = NULL;
+	sd = ERR_PTR(-EPROBE_DEFER);
 out:
 	mutex_unlock(&extcon_dev_list_lock);
 	return sd;

@@ -1218,19 +1220,14 @@ int extcon_dev_register(struct extcon_dev *edev)
 		edev->dev.type = &edev->extcon_dev_type;
 	}
 
-	ret = device_register(&edev->dev);
-	if (ret) {
-		put_device(&edev->dev);
-		goto err_dev;
-	}
-
 	spin_lock_init(&edev->lock);
-	edev->nh = devm_kcalloc(&edev->dev, edev->max_supported,
-				sizeof(*edev->nh), GFP_KERNEL);
-	if (!edev->nh) {
-		ret = -ENOMEM;
-		device_unregister(&edev->dev);
-		goto err_dev;
+	if (edev->max_supported) {
+		edev->nh = kcalloc(edev->max_supported, sizeof(*edev->nh),
+				GFP_KERNEL);
+		if (!edev->nh) {
+			ret = -ENOMEM;
+			goto err_alloc_nh;
+		}
 	}
 
 	for (index = 0; index < edev->max_supported; index++)

@@ -1241,6 +1238,12 @@ int extcon_dev_register(struct extcon_dev *edev)
 	dev_set_drvdata(&edev->dev, edev);
 	edev->state = 0;
 
+	ret = device_register(&edev->dev);
+	if (ret) {
+		put_device(&edev->dev);
+		goto err_dev;
+	}
+
 	mutex_lock(&extcon_dev_list_lock);
 	list_add(&edev->entry, &extcon_dev_list);
 	mutex_unlock(&extcon_dev_list_lock);

@@ -1248,6 +1251,9 @@ int extcon_dev_register(struct extcon_dev *edev)
 	return 0;
 
 err_dev:
+	if (edev->max_supported)
+		kfree(edev->nh);
+err_alloc_nh:
 	if (edev->max_supported)
 		kfree(edev->extcon_dev_type.groups);
 err_alloc_groups:

@@ -1308,6 +1314,7 @@ void extcon_dev_unregister(struct extcon_dev *edev)
 	if (edev->max_supported) {
 		kfree(edev->extcon_dev_type.groups);
 		kfree(edev->cables);
+		kfree(edev->nh);
 	}
 
 	put_device(&edev->dev);

index 3a353776bd34..66727ad3361b 100644
@@ -604,7 +604,7 @@ static void __init dmi_sysfs_register_handle(const struct dmi_header *dh,
 				    "%d-%d", dh->type, entry->instance);
 
 	if (*ret) {
-		kfree(entry);
+		kobject_put(&entry->kobj);
 		return;
 	}
 

index c4bf934e3553..33ab24cfd600 100644
@@ -941,17 +941,17 @@ EXPORT_SYMBOL_GPL(stratix10_svc_allocate_memory);
 void stratix10_svc_free_memory(struct stratix10_svc_chan *chan, void *kaddr)
 {
 	struct stratix10_svc_data_mem *pmem;
-	size_t size = 0;
 
 	list_for_each_entry(pmem, &svc_data_mem, node)
 		if (pmem->vaddr == kaddr) {
-			size = pmem->size;
-			break;
+			gen_pool_free(chan->ctrl->genpool,
+				       (unsigned long)kaddr, pmem->size);
+			pmem->vaddr = NULL;
+			list_del(&pmem->node);
+			return;
 		}
 
-	gen_pool_free(chan->ctrl->genpool, (unsigned long)kaddr, size);
-	pmem->vaddr = NULL;
-	list_del(&pmem->node);
+	list_del(&svc_data_mem);
 }
 EXPORT_SYMBOL_GPL(stratix10_svc_free_memory);
 

index 8726921a1129..33683295a0bf 100644
@@ -1108,20 +1108,21 @@ static int pca953x_regcache_sync(struct device *dev)
 {
 	struct pca953x_chip *chip = dev_get_drvdata(dev);
 	int ret;
+	u8 regaddr;
 
 	/*
 	 * The ordering between direction and output is important,
 	 * sync these registers first and only then sync the rest.
 	 */
-	ret = regcache_sync_region(chip->regmap, chip->regs->direction,
-				   chip->regs->direction + NBANK(chip));
+	regaddr = pca953x_recalc_addr(chip, chip->regs->direction, 0);
+	ret = regcache_sync_region(chip->regmap, regaddr, regaddr + NBANK(chip));
 	if (ret) {
 		dev_err(dev, "Failed to sync GPIO dir registers: %d\n", ret);
 		return ret;
 	}
 
-	ret = regcache_sync_region(chip->regmap, chip->regs->output,
-				   chip->regs->output + NBANK(chip));
+	regaddr = pca953x_recalc_addr(chip, chip->regs->output, 0);
+	ret = regcache_sync_region(chip->regmap, regaddr, regaddr + NBANK(chip));
 	if (ret) {
 		dev_err(dev, "Failed to sync GPIO out registers: %d\n", ret);
 		return ret;

@@ -1129,16 +1130,18 @@ static int pca953x_regcache_sync(struct device *dev)
 
 #ifdef CONFIG_GPIO_PCA953X_IRQ
 	if (chip->driver_data & PCA_PCAL) {
-		ret = regcache_sync_region(chip->regmap, PCAL953X_IN_LATCH,
-					   PCAL953X_IN_LATCH + NBANK(chip));
+		regaddr = pca953x_recalc_addr(chip, PCAL953X_IN_LATCH, 0);
+		ret = regcache_sync_region(chip->regmap, regaddr,
+					   regaddr + NBANK(chip));
 		if (ret) {
 			dev_err(dev, "Failed to sync INT latch registers: %d\n",
 				ret);
 			return ret;
 		}
 
-		ret = regcache_sync_region(chip->regmap, PCAL953X_INT_MASK,
-					   PCAL953X_INT_MASK + NBANK(chip));
+		regaddr = pca953x_recalc_addr(chip, PCAL953X_INT_MASK, 0);
+		ret = regcache_sync_region(chip->regmap, regaddr,
+					   regaddr + NBANK(chip));
 		if (ret) {
 			dev_err(dev, "Failed to sync INT mask registers: %d\n",
 				ret);

index 299de1d131d8..5ac1a43a16b4 100644
@@ -535,6 +535,10 @@ void jpeg_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
 {
 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 
+	amdgpu_ring_write(ring,	PACKETJ(mmUVD_JPEG_IH_CTRL_INTERNAL_OFFSET,
+		0, 0, PACKETJ_TYPE0));
+	amdgpu_ring_write(ring, (vmid << JPEG_IH_CTRL__IH_VMID__SHIFT));
+
 	amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET,
 		0, 0, PACKETJ_TYPE0));
 	amdgpu_ring_write(ring, (vmid | (vmid << 4)));

@@ -768,7 +772,7 @@ static const struct amdgpu_ring_funcs jpeg_v2_0_dec_ring_vm_funcs = {
 		8 + /* jpeg_v2_0_dec_ring_emit_vm_flush */
 		18 + 18 + /* jpeg_v2_0_dec_ring_emit_fence x2 vm fence */
 		8 + 16,
-	.emit_ib_size = 22, /* jpeg_v2_0_dec_ring_emit_ib */
+	.emit_ib_size = 24, /* jpeg_v2_0_dec_ring_emit_ib */
 	.emit_ib = jpeg_v2_0_dec_ring_emit_ib,
 	.emit_fence = jpeg_v2_0_dec_ring_emit_fence,
 	.emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush,

index 1a03baa59755..654e43e83e2c 100644
@@ -41,6 +41,7 @@
 #define mmUVD_JRBC_RB_REF_DATA_INTERNAL_OFFSET				0x4084
 #define mmUVD_JRBC_STATUS_INTERNAL_OFFSET				0x4089
 #define mmUVD_JPEG_PITCH_INTERNAL_OFFSET				0x401f
+#define mmUVD_JPEG_IH_CTRL_INTERNAL_OFFSET				0x4149
 
 #define JRBC_DEC_EXTERNAL_REG_WRITE_ADDR				0x18000
 

index 2ec1ffb36b1f..07fc591a6565 100644
@@ -170,6 +170,7 @@ static const struct amdgpu_video_codec_info yc_video_codecs_decode_array[] = {
 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)},
 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)},
 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)},
+	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1, 8192, 4352, 0)},
 };
 
 static const struct amdgpu_video_codecs yc_video_codecs_decode = {

index 24db2297857b..edb5e72aeb66 100644
@@ -767,7 +767,7 @@ static void dm_dmub_outbox1_low_irq(void *interrupt_params)
 
 		do {
 			dc_stat_get_dmub_notification(adev->dm.dc, &notify);
-			if (notify.type > ARRAY_SIZE(dm->dmub_thread_offload)) {
+			if (notify.type >= ARRAY_SIZE(dm->dmub_thread_offload)) {
 				DRM_ERROR("DM: notify type %d invalid!", notify.type);
 				continue;
 			}

index 2c7eb982eabc..054823d12403 100644
@@ -1013,9 +1013,12 @@ static bool get_pixel_clk_frequency_100hz(
 			 * not be programmed equal to DPREFCLK
 			 */
 			modulo_hz = REG_READ(MODULO[inst]);
-			*pixel_clk_khz = div_u64((uint64_t)clock_hz*
-				clock_source->ctx->dc->clk_mgr->dprefclk_khz*10,
-				modulo_hz);
+			if (modulo_hz)
+				*pixel_clk_khz = div_u64((uint64_t)clock_hz*
+					clock_source->ctx->dc->clk_mgr->dprefclk_khz*10,
+					modulo_hz);
+			else
+				*pixel_clk_khz = 0;
 		} else {
 			/* NOTE: There is agreement with VBIOS here that MODULO is
 			 * programmed equal to DPREFCLK, in which case PHASE will be

index 4e9e2cf39859..5fcbec9dd45d 100644
@@ -777,7 +777,7 @@ int smu_v11_0_set_allowed_mask(struct smu_context *smu)
 		goto failed;
 	}
 
-	bitmap_copy((unsigned long *)feature_mask, feature->allowed, 64);
+	bitmap_to_arr32(feature_mask, feature->allowed, 64);
 
 	ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetAllowedFeaturesMaskHigh,
 					  feature_mask[1], NULL);

index 4885c4ae78b7..27a54145d352 100644
@@ -1643,6 +1643,7 @@ static const struct throttling_logging_label {
 	uint32_t feature_mask;
 	const char *label;
 } logging_label[] = {
+	{(1U << THROTTLER_TEMP_GPU_BIT), "GPU"},
 	{(1U << THROTTLER_TEMP_MEM_BIT), "HBM"},
 	{(1U << THROTTLER_TEMP_VR_GFX_BIT), "VR of GFX rail"},
 	{(1U << THROTTLER_TEMP_VR_MEM_BIT), "VR of HBM rail"},

index b54790d3483e..4a5e91b59f0c 100644
@@ -726,7 +726,7 @@ int smu_v13_0_set_allowed_mask(struct smu_context *smu)
 	if (bitmap_empty(feature->allowed, SMU_FEATURE_MAX) || feature->feature_num < 64)
 		goto failed;
 
-	bitmap_copy((unsigned long *)feature_mask, feature->allowed, 64);
+	bitmap_to_arr32(feature_mask, feature->allowed, 64);
 
 	ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetAllowedFeaturesMaskHigh,
 					      feature_mask[1], NULL);

index d0715927b07f..13461e28aeed 100644
@@ -190,6 +190,9 @@ static int yellow_carp_fini_smc_tables(struct smu_context *smu)
 	kfree(smu_table->watermarks_table);
 	smu_table->watermarks_table = NULL;
 
+	kfree(smu_table->gpu_metrics_table);
+	smu_table->gpu_metrics_table = NULL;
+
 	return 0;
 }
 

index 956c8982192b..ab52efb15670 100644
@@ -471,7 +471,10 @@ static void ast_set_color_reg(struct ast_private *ast,
 static void ast_set_crtthd_reg(struct ast_private *ast)
 {
 	/* Set Threshold */
-	if (ast->chip == AST2300 || ast->chip == AST2400 ||
+	if (ast->chip == AST2600) {
+		ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0xe0);
+		ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0xa0);
+	} else if (ast->chip == AST2300 || ast->chip == AST2400 ||
 	    ast->chip == AST2500) {
 		ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78);
 		ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60);

64 lines not on this page · raw message

index 314a84ffcea3..1b7eeefe6784 100644
@@ -560,7 +560,7 @@ static int sn65dsi83_parse_dt(struct sn65dsi83 *ctx, enum sn65dsi83_model model)
 	ctx->host_node = of_graph_get_remote_port_parent(endpoint);
 	of_node_put(endpoint);
 
-	if (ctx->dsi_lanes < 0 || ctx->dsi_lanes > 4) {
+	if (ctx->dsi_lanes <= 0 || ctx->dsi_lanes > 4) {
 		ret = -EINVAL;
 		goto err_put_node;
 	}

index 9603193d2fa1..987e4b212e9f 100644
@@ -1011,9 +1011,19 @@ crtc_needs_disable(struct drm_crtc_state *old_state,
 		return drm_atomic_crtc_effectively_active(old_state);
 
 	/*
-	 * We need to run through the crtc_funcs->disable() function if the CRTC
-	 * is currently on, if it's transitioning to self refresh mode, or if
-	 * it's in self refresh mode and needs to be fully disabled.
+	 * We need to disable bridge(s) and CRTC if we're transitioning out of
+	 * self-refresh and changing CRTCs at the same time, because the
+	 * bridge tracks self-refresh status via CRTC state.
+	 */
+	if (old_state->self_refresh_active &&
+	    old_state->crtc != new_state->crtc)
+		return true;
+
+	/*
+	 * We also need to run through the crtc_funcs->disable() function if
+	 * the CRTC is currently on, if it's transitioning to self refresh
+	 * mode, or if it's in self refresh mode and needs to be fully
+	 * disabled.
 	 */
 	return old_state->active ||
 	       (old_state->self_refresh_active && !new_state->active) ||

index 9c8829f945b2..f7863d6dea80 100644
@@ -69,7 +69,7 @@ static void ipu_crtc_disable_planes(struct ipu_crtc *ipu_crtc,
 	drm_atomic_crtc_state_for_each_plane(plane, old_crtc_state) {
 		if (plane == &ipu_crtc->plane[0]->base)
 			disable_full = true;
-		if (&ipu_crtc->plane[1] && plane == &ipu_crtc->plane[1]->base)
+		if (ipu_crtc->plane[1] && plane == &ipu_crtc->plane[1]->base)
 			disable_partial = true;
 	}
 

index 6eb176872a17..7ae74bd05924 100644
@@ -1373,8 +1373,13 @@ void dp_ctrl_reset_irq_ctrl(struct dp_ctrl *dp_ctrl, bool enable)
 
 	dp_catalog_ctrl_reset(ctrl->catalog);
 
-	if (enable)
-		dp_catalog_ctrl_enable_irq(ctrl->catalog, enable);
+	/*
+	 * all dp controller programmable registers will not
+	 * be reset to default value after DP_SW_RESET
+	 * therefore interrupt mask bits have to be updated
+	 * to enable/disable interrupts
+	 */
+	dp_catalog_ctrl_enable_irq(ctrl->catalog, enable);
 }
 
 void dp_ctrl_phy_init(struct dp_ctrl *dp_ctrl)

index 96bb5a465627..012af6eaaf62 100644
@@ -233,6 +233,7 @@ static int panfrost_ioctl_submit(struct drm_device *dev, void *data,
 		struct drm_file *file)
 {
 	struct panfrost_device *pfdev = dev->dev_private;
+	struct panfrost_file_priv *file_priv = file->driver_priv;
 	struct drm_panfrost_submit *args = data;
 	struct drm_syncobj *sync_out = NULL;
 	struct panfrost_job *job;

@@ -262,12 +263,12 @@ static int panfrost_ioctl_submit(struct drm_device *dev, void *data,
 	job->jc = args->jc;
 	job->requirements = args->requirements;
 	job->flush_id = panfrost_gpu_get_latest_flush_id(pfdev);
-	job->file_priv = file->driver_priv;
+	job->mmu = file_priv->mmu;
 
 	slot = panfrost_job_get_slot(job);
 
 	ret = drm_sched_job_init(&job->base,
-				 &job->file_priv->sched_entity[slot],
+				 &file_priv->sched_entity[slot],
 				 NULL);
 	if (ret)
 		goto out_put_job;

index 908d79520853..016bec72b7ce 100644
@@ -201,7 +201,7 @@ static void panfrost_job_hw_submit(struct panfrost_job *job, int js)
 		return;
 	}
 
-	cfg = panfrost_mmu_as_get(pfdev, job->file_priv->mmu);
+	cfg = panfrost_mmu_as_get(pfdev, job->mmu);
 
 	job_write(pfdev, JS_HEAD_NEXT_LO(js), lower_32_bits(jc_head));
 	job_write(pfdev, JS_HEAD_NEXT_HI(js), upper_32_bits(jc_head));

@@ -431,7 +431,7 @@ static void panfrost_job_handle_err(struct panfrost_device *pfdev,
 		job->jc = 0;
 	}
 
-	panfrost_mmu_as_put(pfdev, job->file_priv->mmu);
+	panfrost_mmu_as_put(pfdev, job->mmu);
 	panfrost_devfreq_record_idle(&pfdev->pfdevfreq);
 
 	if (signal_fence)

@@ -452,7 +452,7 @@ static void panfrost_job_handle_done(struct panfrost_device *pfdev,
 	 * happen when we receive the DONE interrupt while doing a GPU reset).
 	 */
 	job->jc = 0;
-	panfrost_mmu_as_put(pfdev, job->file_priv->mmu);
+	panfrost_mmu_as_put(pfdev, job->mmu);
 	panfrost_devfreq_record_idle(&pfdev->pfdevfreq);
 
 	dma_fence_signal_locked(job->done_fence);

index 77e6d0e6f612..8becc1ba0eb9 100644
@@ -17,7 +17,7 @@ struct panfrost_job {
 	struct kref refcount;
 
 	struct panfrost_device *pfdev;
-	struct panfrost_file_priv *file_priv;
+	struct panfrost_mmu *mmu;
 
 	/* Fence to be signaled by IRQ handler when the job is complete. */
 	struct dma_fence *done_fence;

index 1546abcadacf..d157bb9072e8 100644
@@ -473,6 +473,8 @@ static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encode
 	    native_mode->vdisplay != 0 &&
 	    native_mode->clock != 0) {
 		mode = drm_mode_duplicate(dev, native_mode);
+		if (!mode)
+			return NULL;
 		mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 		drm_mode_set_name(mode);
 

@@ -487,6 +489,8 @@ static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encode
 		 * simpler.
 		 */
 		mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
+		if (!mode)
+			return NULL;
 		mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 		DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
 	}

index 8845ec4b4402..1874df7c6a73 100644
@@ -380,9 +380,10 @@ static int debug_notifier_call(struct notifier_block *self,
 	int cpu;
 	struct debug_drvdata *drvdata;
 
-	mutex_lock(&debug_lock);
+	/* Bail out if we can't acquire the mutex or the functionality is off */
+	if (!mutex_trylock(&debug_lock))
+		return NOTIFY_DONE;
 
-	/* Bail out if the functionality is disabled */
 	if (!debug_enable)
 		goto skip_dump;
 

@@ -401,7 +402,7 @@ static int debug_notifier_call(struct notifier_block *self,
 
 skip_dump:
 	mutex_unlock(&debug_lock);
-	return 0;
+	return NOTIFY_DONE;
 }
 
 static struct notifier_block debug_notifier = {

index 805c77143a0f..b4c1ad19cdae 100644
@@ -760,7 +760,7 @@ static void cdns_i2c_master_reset(struct i2c_adapter *adap)
 static int cdns_i2c_process_msg(struct cdns_i2c *id, struct i2c_msg *msg,
 		struct i2c_adapter *adap)
 {
-	unsigned long time_left;
+	unsigned long time_left, msg_timeout;
 	u32 reg;
 
 	id->p_msg = msg;

@@ -785,8 +785,16 @@ static int cdns_i2c_process_msg(struct cdns_i2c *id, struct i2c_msg *msg,
 	else
 		cdns_i2c_msend(id);
 
+	/* Minimal time to execute this message */
+	msg_timeout = msecs_to_jiffies((1000 * msg->len * BITS_PER_BYTE) / id->i2c_clk);
+	/* Plus some wiggle room */
+	msg_timeout += msecs_to_jiffies(500);
+
+	if (msg_timeout < adap->timeout)
+		msg_timeout = adap->timeout;
+
 	/* Wait for the signal of completion */
-	time_left = wait_for_completion_timeout(&id->xfer_done, adap->timeout);
+	time_left = wait_for_completion_timeout(&id->xfer_done, msg_timeout);
 	if (time_left == 0) {
 		cdns_i2c_master_reset(adap);
 		dev_err(id->adap.dev.parent,

index 0b66e25c0e2d..b2565bb05c79 100644
@@ -109,6 +109,18 @@ static unsigned int mwait_substates __initdata;
 #define flg2MWAIT(flags) (((flags) >> 24) & 0xFF)
 #define MWAIT2flg(eax) ((eax & 0xFF) << 24)
 
+static __always_inline int __intel_idle(struct cpuidle_device *dev,
+					struct cpuidle_driver *drv, int index)
+{
+	struct cpuidle_state *state = &drv->states[index];
+	unsigned long eax = flg2MWAIT(state->flags);
+	unsigned long ecx = 1; /* break on interrupt flag */
+
+	mwait_idle_with_hints(eax, ecx);
+
+	return index;
+}
+
 /**
  * intel_idle - Ask the processor to enter the given idle state.
  * @dev: cpuidle device of the target CPU.

@@ -129,16 +141,19 @@ static unsigned int mwait_substates __initdata;
 static __cpuidle int intel_idle(struct cpuidle_device *dev,
 				struct cpuidle_driver *drv, int index)
 {
-	struct cpuidle_state *state = &drv->states[index];
-	unsigned long eax = flg2MWAIT(state->flags);
-	unsigned long ecx = 1; /* break on interrupt flag */
+	return __intel_idle(dev, drv, index);
+}
 
-	if (state->flags & CPUIDLE_FLAG_IRQ_ENABLE)
-		local_irq_enable();
+static __cpuidle int intel_idle_irq(struct cpuidle_device *dev,
+				    struct cpuidle_driver *drv, int index)
+{
+	int ret;
 
-	mwait_idle_with_hints(eax, ecx);
+	raw_local_irq_enable();
+	ret = __intel_idle(dev, drv, index);
+	raw_local_irq_disable();
 
-	return index;
+	return ret;
 }
 
 /**

@@ -1583,6 +1598,9 @@ static void __init intel_idle_init_cstates_icpu(struct cpuidle_driver *drv)
 		/* Structure copy. */
 		drv->states[drv->state_count] = cpuidle_state_table[cstate];
 
+		if (cpuidle_state_table[cstate].flags & CPUIDLE_FLAG_IRQ_ENABLE)
+			drv->states[drv->state_count].enter = intel_idle_irq;
+
 		if ((disabled_states_mask & BIT(drv->state_count)) ||
 		    ((icpu->use_acpi || force_use_acpi) &&
 		     intel_idle_off_by_default(mwait_hint) &&

index b400bbe291aa..c22d8dcaa100 100644
@@ -188,7 +188,6 @@ static const struct iio_chan_spec ad7124_channel_template = {
 		.sign = 'u',
 		.realbits = 24,
 		.storagebits = 32,
-		.shift = 8,
 		.endianness = IIO_BE,
 	},
 };

index 00098caf6d9e..cfe003cc4f0b 100644
@@ -36,8 +36,8 @@
 
 /* Bits and mask definition for SC27XX_ADC_CH_CFG register */
 #define SC27XX_ADC_CHN_ID_MASK		GENMASK(4, 0)
-#define SC27XX_ADC_SCALE_MASK		GENMASK(10, 8)
-#define SC27XX_ADC_SCALE_SHIFT		8
+#define SC27XX_ADC_SCALE_MASK		GENMASK(10, 9)
+#define SC27XX_ADC_SCALE_SHIFT		9
 
 /* Bits definitions for SC27XX_ADC_INT_EN registers */
 #define SC27XX_ADC_IRQ_EN		BIT(0)

@@ -103,14 +103,14 @@ static struct sc27xx_adc_linear_graph small_scale_graph = {
 	100, 341,
 };
 
-static const struct sc27xx_adc_linear_graph big_scale_graph_calib = {
-	4200, 856,
-	3600, 733,
+static const struct sc27xx_adc_linear_graph sc2731_big_scale_graph_calib = {
+	4200, 850,
+	3600, 728,
 };
 
-static const struct sc27xx_adc_linear_graph small_scale_graph_calib = {
-	1000, 833,
-	100, 80,
+static const struct sc27xx_adc_linear_graph sc2731_small_scale_graph_calib = {
+	1000, 838,
+	100, 84,
 };
 
 static int sc27xx_adc_get_calib_data(u32 calib_data, int calib_adc)

@@ -130,11 +130,11 @@ static int sc27xx_adc_scale_calibration(struct sc27xx_adc_data *data,
 	size_t len;
 
 	if (big_scale) {
-		calib_graph = &big_scale_graph_calib;
+		calib_graph = &sc2731_big_scale_graph_calib;
 		graph = &big_scale_graph;
 		cell_name = "big_scale_calib";
 	} else {
-		calib_graph = &small_scale_graph_calib;
+		calib_graph = &sc2731_small_scale_graph_calib;
 		graph = &small_scale_graph;
 		cell_name = "small_scale_calib";
 	}

index d2d405388499..83e0ac4467ca 100644
@@ -61,7 +61,7 @@ struct stmpe_adc {
 static int stmpe_read_voltage(struct stmpe_adc *info,
 		struct iio_chan_spec const *chan, int *val)
 {
-	long ret;
+	unsigned long ret;
 
 	mutex_lock(&info->lock);
 

@@ -79,7 +79,7 @@ static int stmpe_read_voltage(struct stmpe_adc *info,
 
 	ret = wait_for_completion_timeout(&info->completion, STMPE_ADC_TIMEOUT);
 
-	if (ret <= 0) {
+	if (ret == 0) {
 		stmpe_reg_write(info->stmpe, STMPE_REG_ADC_INT_STA,
 				STMPE_ADC_CH(info->channel));
 		mutex_unlock(&info->lock);

@@ -96,7 +96,7 @@ static int stmpe_read_voltage(struct stmpe_adc *info,
 static int stmpe_read_temp(struct stmpe_adc *info,
 		struct iio_chan_spec const *chan, int *val)
 {
-	long ret;
+	unsigned long ret;
 
 	mutex_lock(&info->lock);
 

@@ -114,7 +114,7 @@ static int stmpe_read_temp(struct stmpe_adc *info,
 
 	ret = wait_for_completion_timeout(&info->completion, STMPE_ADC_TIMEOUT);
 
-	if (ret <= 0) {
+	if (ret == 0) {
 		mutex_unlock(&info->lock);
 		return -ETIMEDOUT;
 	}

index eb452d0c423c..5c7e4e725819 100644
@@ -71,16 +71,18 @@ static int st_sensors_match_odr(struct st_sensor_settings *sensor_settings,
 
 int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr)
 {
-	int err;
+	int err = 0;
 	struct st_sensor_odr_avl odr_out = {0, 0};
 	struct st_sensor_data *sdata = iio_priv(indio_dev);
 
+	mutex_lock(&sdata->odr_lock);
+
 	if (!sdata->sensor_settings->odr.mask)
-		return 0;
+		goto unlock_mutex;
 
 	err = st_sensors_match_odr(sdata->sensor_settings, odr, &odr_out);
 	if (err < 0)
-		goto st_sensors_match_odr_error;
+		goto unlock_mutex;
 
 	if ((sdata->sensor_settings->odr.addr ==
 					sdata->sensor_settings->pw.addr) &&

@@ -103,7 +105,9 @@ int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr)
 	if (err >= 0)
 		sdata->odr = odr_out.hz;
 
-st_sensors_match_odr_error:
+unlock_mutex:
+	mutex_unlock(&sdata->odr_lock);
+
 	return err;
 }
 EXPORT_SYMBOL(st_sensors_set_odr);

@@ -361,6 +365,8 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev,
 	struct st_sensors_platform_data *of_pdata;
 	int err = 0;
 
+	mutex_init(&sdata->odr_lock);
+
 	/* If OF/DT pdata exists, it will take precedence of anything else */
 	of_pdata = st_sensors_dev_probe(indio_dev->dev.parent, pdata);
 	if (IS_ERR(of_pdata))

@@ -554,18 +560,24 @@ int st_sensors_read_info_raw(struct iio_dev *indio_dev,
 		err = -EBUSY;
 		goto out;
 	} else {
+		mutex_lock(&sdata->odr_lock);
 		err = st_sensors_set_enable(indio_dev, true);
-		if (err < 0)
+		if (err < 0) {
+			mutex_unlock(&sdata->odr_lock);
 			goto out;
+		}
 
 		msleep((sdata->sensor_settings->bootime * 1000) / sdata->odr);
 		err = st_sensors_read_axis_data(indio_dev, ch, val);
-		if (err < 0)
+		if (err < 0) {
+			mutex_unlock(&sdata->odr_lock);
 			goto out;
+		}
 
 		*val = *val >> ch->scan_type.shift;
 
 		err = st_sensors_set_enable(indio_dev, false);
+		mutex_unlock(&sdata->odr_lock);
 	}
 out:
 	mutex_unlock(&indio_dev->mlock);

index c0b7ef900735..c24f609c2ade 100644
@@ -575,10 +575,9 @@ static struct iio_sw_device *iio_dummy_probe(const char *name)
 	 */
 
 	swd = kzalloc(sizeof(*swd), GFP_KERNEL);
-	if (!swd) {
-		ret = -ENOMEM;
-		goto error_kzalloc;
-	}
+	if (!swd)
+		return ERR_PTR(-ENOMEM);
+
 	/*
 	 * Allocate an IIO device.
 	 *

@@ -590,7 +589,7 @@ static struct iio_sw_device *iio_dummy_probe(const char *name)
 	indio_dev = iio_device_alloc(parent, sizeof(*st));
 	if (!indio_dev) {
 		ret = -ENOMEM;
-		goto error_ret;
+		goto error_free_swd;
 	}
 
 	st = iio_priv(indio_dev);

@@ -616,6 +615,10 @@ static struct iio_sw_device *iio_dummy_probe(const char *name)
 	 *    indio_dev->name = spi_get_device_id(spi)->name;
 	 */
 	indio_dev->name = kstrdup(name, GFP_KERNEL);
+	if (!indio_dev->name) {
+		ret = -ENOMEM;
+		goto error_free_device;
+	}
 
 	/* Provide description of available channels */
 	indio_dev->channels = iio_dummy_channels;

@@ -632,7 +635,7 @@ static struct iio_sw_device *iio_dummy_probe(const char *name)
 
 	ret = iio_simple_dummy_events_register(indio_dev);
 	if (ret < 0)
-		goto error_free_device;
+		goto error_free_name;
 
 	ret = iio_simple_dummy_configure_buffer(indio_dev);
 	if (ret < 0)

@@ -649,11 +652,12 @@ static struct iio_sw_device *iio_dummy_probe(const char *name)
 	iio_simple_dummy_unconfigure_buffer(indio_dev);
 error_unregister_events:
 	iio_simple_dummy_events_unregister(indio_dev);
+error_free_name:
+	kfree(indio_dev->name);
 error_free_device:
 	iio_device_free(indio_dev);
-error_ret:
+error_free_swd:
 	kfree(swd);
-error_kzalloc:
 	return ERR_PTR(ret);
 }
 

index cf38144b6f95..13a87d3e3544 100644
@@ -104,6 +104,7 @@ static int vl53l0x_read_proximity(struct vl53l0x_data *data,
 	u16 tries = 20;
 	u8 buffer[12];
 	int ret;
+	unsigned long time_left;
 
 	ret = i2c_smbus_write_byte_data(client, VL_REG_SYSRANGE_START, 1);
 	if (ret < 0)

@@ -112,10 +113,8 @@ static int vl53l0x_read_proximity(struct vl53l0x_data *data,
 	if (data->client->irq) {
 		reinit_completion(&data->completion);
 
-		ret = wait_for_completion_timeout(&data->completion, HZ/10);
-		if (ret < 0)
-			return ret;
-		else if (ret == 0)
+		time_left = wait_for_completion_timeout(&data->completion, HZ/10);
+		if (time_left == 0)
 			return -ETIMEDOUT;
 
 		vl53l0x_clear_irq(data);

index 59a14505b9cd..ca150618d32f 100644
@@ -942,17 +942,22 @@ static int bcm5974_probe(struct usb_interface *iface,
 	if (!dev->tp_data)
 		goto err_free_bt_buffer;
 
-	if (dev->bt_urb)
+	if (dev->bt_urb) {
 		usb_fill_int_urb(dev->bt_urb, udev,
 				 usb_rcvintpipe(udev, cfg->bt_ep),
 				 dev->bt_data, dev->cfg.bt_datalen,
 				 bcm5974_irq_button, dev, 1);
 
+		dev->bt_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+	}
+
 	usb_fill_int_urb(dev->tp_urb, udev,
 			 usb_rcvintpipe(udev, cfg->tp_ep),
 			 dev->tp_data, dev->cfg.tp_datalen,
 			 bcm5974_irq_trackpad, dev, 1);
 
+	dev->tp_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
 	/* create bcm5974 device */
 	usb_make_path(udev, dev->phys, sizeof(dev->phys));
 	strlcat(dev->phys, "/input0", sizeof(dev->phys));

index f60381cdf1c4..a009a3dd762b 100644
@@ -3780,6 +3780,8 @@ static int arm_smmu_device_probe(struct platform_device *pdev)
 
 	/* Base address */
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -EINVAL;
 	if (resource_size(res) < arm_smmu_resource_size(smmu)) {
 		dev_err(dev, "MMIO region too small (%pr)\n", res);
 		return -EINVAL;

index 4bc75c4ce402..324e8f32962a 100644
@@ -2090,11 +2090,10 @@ static int arm_smmu_device_probe(struct platform_device *pdev)
 	if (err)
 		return err;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ioaddr = res->start;
-	smmu->base = devm_ioremap_resource(dev, res);
+	smmu->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(smmu->base))
 		return PTR_ERR(smmu->base);
+	ioaddr = res->start;
 	/*
 	 * The resource size should effectively match the value of SMMU_TOP;
 	 * stash that temporarily until we know PAGESIZE to validate it with.

index 43c5890dc9f3..79d64640240b 100644
@@ -7962,17 +7962,22 @@ EXPORT_SYMBOL(md_register_thread);
 
 void md_unregister_thread(struct md_thread **threadp)
 {
-	struct md_thread *thread = *threadp;
-	if (!thread)
-		return;
-	pr_debug("interrupting MD-thread pid %d\n", task_pid_nr(thread->tsk));
-	/* Locking ensures that mddev_unlock does not wake_up a
+	struct md_thread *thread;
+
+	/*
+	 * Locking ensures that mddev_unlock does not wake_up a
 	 * non-existent thread
 	 */
 	spin_lock(&pers_lock);
+	thread = *threadp;
+	if (!thread) {
+		spin_unlock(&pers_lock);
+		return;
+	}
 	*threadp = NULL;
 	spin_unlock(&pers_lock);
 
+	pr_debug("interrupting MD-thread pid %d\n", task_pid_nr(thread->tsk));
 	kthread_stop(thread->tsk);
 	kfree(thread);
 }

index bccc741b9382..8495045eb989 100644
@@ -128,21 +128,6 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
 	pr_debug("md/raid0:%s: FINAL %d zones\n",
 		 mdname(mddev), conf->nr_strip_zones);
 
-	if (conf->nr_strip_zones == 1) {
-		conf->layout = RAID0_ORIG_LAYOUT;
-	} else if (mddev->layout == RAID0_ORIG_LAYOUT ||
-		   mddev->layout == RAID0_ALT_MULTIZONE_LAYOUT) {
-		conf->layout = mddev->layout;
-	} else if (default_layout == RAID0_ORIG_LAYOUT ||
-		   default_layout == RAID0_ALT_MULTIZONE_LAYOUT) {
-		conf->layout = default_layout;
-	} else {
-		pr_err("md/raid0:%s: cannot assemble multi-zone RAID0 with default_layout setting\n",
-		       mdname(mddev));
-		pr_err("md/raid0: please set raid0.default_layout to 1 or 2\n");
-		err = -ENOTSUPP;
-		goto abort;
-	}
 	/*
 	 * now since we have the hard sector sizes, we can make sure
 	 * chunk size is a multiple of that sector size

@@ -273,6 +258,22 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
 			 (unsigned long long)smallest->sectors);
 	}
 
+	if (conf->nr_strip_zones == 1 || conf->strip_zone[1].nb_dev == 1) {
+		conf->layout = RAID0_ORIG_LAYOUT;
+	} else if (mddev->layout == RAID0_ORIG_LAYOUT ||
+		   mddev->layout == RAID0_ALT_MULTIZONE_LAYOUT) {
+		conf->layout = mddev->layout;
+	} else if (default_layout == RAID0_ORIG_LAYOUT ||
+		   default_layout == RAID0_ALT_MULTIZONE_LAYOUT) {
+		conf->layout = default_layout;
+	} else {
+		pr_err("md/raid0:%s: cannot assemble multi-zone RAID0 with default_layout setting\n",
+		       mdname(mddev));
+		pr_err("md/raid0: please set raid0.default_layout to 1 or 2\n");
+		err = -EOPNOTSUPP;
+		goto abort;
+	}
+
 	pr_debug("md/raid0:%s: done.\n", mdname(mddev));
 	*private_conf = conf;
 

index 59eda55d92a3..1ef9b61077c4 100644
@@ -667,6 +667,7 @@ static int rtsx_usb_probe(struct usb_interface *intf,
 	return 0;
 
 out_init_fail:
+	usb_set_intfdata(ucr->pusb_intf, NULL);
 	usb_free_coherent(ucr->pusb_dev, IOBUF_SIZE, ucr->iobuf,
 			ucr->iobuf_dma);
 	return ret;

index aa1682b94a23..45aaf54a7560 100644
@@ -1353,17 +1353,18 @@ static int fastrpc_req_munmap_impl(struct fastrpc_user *fl,
 				   struct fastrpc_req_munmap *req)
 {
 	struct fastrpc_invoke_args args[1] = { [0] = { 0 } };
-	struct fastrpc_buf *buf, *b;
+	struct fastrpc_buf *buf = NULL, *iter, *b;
 	struct fastrpc_munmap_req_msg req_msg;
 	struct device *dev = fl->sctx->dev;
 	int err;
 	u32 sc;
 
 	spin_lock(&fl->lock);
-	list_for_each_entry_safe(buf, b, &fl->mmaps, node) {
-		if ((buf->raddr == req->vaddrout) && (buf->size == req->size))
+	list_for_each_entry_safe(iter, b, &fl->mmaps, node) {
+		if ((iter->raddr == req->vaddrout) && (iter->size == req->size)) {
+			buf = iter;
 			break;
-		buf = NULL;
+		}
 	}
 	spin_unlock(&fl->lock);
 

index f21854ac5cc2..8cb342c562af 100644
@@ -327,6 +327,11 @@ void lkdtm_ARRAY_BOUNDS(void)
 
 	not_checked = kmalloc(sizeof(*not_checked) * 2, GFP_KERNEL);
 	checked = kmalloc(sizeof(*checked) * 2, GFP_KERNEL);
+	if (!not_checked || !checked) {
+		kfree(not_checked);
+		kfree(checked);
+		return;
+	}
 
 	pr_info("Array access within bounds ...\n");
 	/* For both, touch all bytes in the actual member size. */

@@ -346,7 +351,10 @@ void lkdtm_ARRAY_BOUNDS(void)
 	kfree(not_checked);
 	kfree(checked);
 	pr_err("FAIL: survived array bounds overflow!\n");
-	pr_expected_config(CONFIG_UBSAN_BOUNDS);
+	if (IS_ENABLED(CONFIG_UBSAN_BOUNDS))
+		pr_expected_config(CONFIG_UBSAN_TRAP);
+	else
+		pr_expected_config(CONFIG_UBSAN_BOUNDS);
 }
 
 void lkdtm_CORRUPT_LIST_ADD(void)

index d6137c70ebbe..cc76ebcca4c7 100644
@@ -9,19 +9,19 @@
 extern char *lkdtm_kernel_info;
 
 #define pr_expected_config(kconfig)				\
-{								\
+do {								\
 	if (IS_ENABLED(kconfig)) 				\
 		pr_err("Unexpected! This %s was built with " #kconfig "=y\n", \
 			lkdtm_kernel_info);			\
 	else							\
 		pr_warn("This is probably expected, since this %s was built *without* " #kconfig "=y\n", \
 			lkdtm_kernel_info);			\
-}
+} while (0)
 
 #ifndef MODULE
 int lkdtm_check_bool_cmdline(const char *param);
 #define pr_expected_config_param(kconfig, param)		\
-{								\
+do {								\
 	if (IS_ENABLED(kconfig)) {				\
 		switch (lkdtm_check_bool_cmdline(param)) {	\
 		case 0:						\

@@ -52,7 +52,7 @@ int lkdtm_check_bool_cmdline(const char *param);
 			break;					\
 		}						\
 	}							\
-}
+} while (0)
 #else
 #define pr_expected_config_param(kconfig, param) pr_expected_config(kconfig)
 #endif

index 9161ce7ed47a..3fead5efe523 100644
@@ -30,12 +30,12 @@ static const unsigned char test_text[] = "This is a test.\n";
  */
 static noinline unsigned char *trick_compiler(unsigned char *stack)
 {
-	return stack + 0;
+	return stack + unconst;
 }
 
 static noinline unsigned char *do_usercopy_stack_callee(int value)
 {
-	unsigned char buf[32];
+	unsigned char buf[128];
 	int i;
 
 	/* Exercise stack to avoid everything living in registers. */

@@ -43,7 +43,12 @@ static noinline unsigned char *do_usercopy_stack_callee(int value)
 		buf[i] = value & 0xff;
 	}
 
-	return trick_compiler(buf);
+	/*
+	 * Put the target buffer in the middle of stack allocation
+	 * so that we don't step on future stack users regardless
+	 * of stack growth direction.
+	 */
+	return trick_compiler(&buf[(128/2)-32]);
 }
 
 static noinline void do_usercopy_stack(bool to_user, bool bad_frame)

@@ -66,6 +71,12 @@ static noinline void do_usercopy_stack(bool to_user, bool bad_frame)
 		bad_stack -= sizeof(unsigned long);
 	}
 
+#ifdef ARCH_HAS_CURRENT_STACK_POINTER
+	pr_info("stack     : %px\n", (void *)current_stack_pointer);
+#endif
+	pr_info("good_stack: %px-%px\n", good_stack, good_stack + sizeof(good_stack));
+	pr_info("bad_stack : %px-%px\n", bad_stack, bad_stack + sizeof(good_stack));
+
 	user_addr = vm_mmap(NULL, 0, PAGE_SIZE,
 			    PROT_READ | PROT_WRITE | PROT_EXEC,
 			    MAP_ANONYMOUS | MAP_PRIVATE, 0);

index 4b8f1c7d726d..049a12006348 100644
@@ -34,7 +34,9 @@ pvpanic_send_event(unsigned int event)
 {
 	struct pvpanic_instance *pi_cur;
 
-	spin_lock(&pvpanic_lock);
+	if (!spin_trylock(&pvpanic_lock))
+		return;
+
 	list_for_each_entry(pi_cur, &pvpanic_list, list) {
 		if (event & pi_cur->capability & pi_cur->events)
 			iowrite8(event, pi_cur->base);

@@ -55,9 +57,13 @@ pvpanic_panic_notify(struct notifier_block *nb, unsigned long code, void *unused
 	return NOTIFY_DONE;
 }
 
+/*
+ * Call our notifier very early on panic, deferring the
+ * action taken to the hypervisor.
+ */
 static struct notifier_block pvpanic_panic_nb = {
 	.notifier_call = pvpanic_panic_notify,
-	.priority = 1, /* let this called before broken drm_fb_helper() */
+	.priority = INT_MAX,
 };
 
 static void pvpanic_remove(void *param)

index 52e4106bcb6e..57f5e0a4d7d7 100644
@@ -1482,8 +1482,7 @@ void mmc_blk_cqe_recovery(struct mmc_queue *mq)
 	err = mmc_cqe_recovery(host);
 	if (err)
 		mmc_blk_reset(mq->blkdata, host, MMC_BLK_CQE_RECOVERY);
-	else
-		mmc_blk_reset_success(mq->blkdata, MMC_BLK_CQE_RECOVERY);
+	mmc_blk_reset_success(mq->blkdata, MMC_BLK_CQE_RECOVERY);
 
 	pr_debug("%s: CQE recovery done\n", mmc_hostname(host));
 }

112 lines not on this page · raw message

index 6b5f1ffd961b..6e95c4b1473e 100644
@@ -1230,17 +1230,6 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
 		fm_pos += sizeof(*fec);
 		ubi_assert(fm_pos <= ubi->fm_size);
 	}
-	if (ubi->fm_next_anchor) {
-		fec = (struct ubi_fm_ec *)(fm_raw + fm_pos);
-
-		fec->pnum = cpu_to_be32(ubi->fm_next_anchor->pnum);
-		set_seen(ubi, ubi->fm_next_anchor->pnum, seen_pebs);
-		fec->ec = cpu_to_be32(ubi->fm_next_anchor->ec);
-
-		free_peb_count++;
-		fm_pos += sizeof(*fec);
-		ubi_assert(fm_pos <= ubi->fm_size);
-	}
 	fmh->free_peb_count = cpu_to_be32(free_peb_count);
 
 	ubi_for_each_used_peb(ubi, wl_e, tmp_rb) {

index 7c083ad58274..078112e23dfd 100644
@@ -489,8 +489,7 @@ struct ubi_debug_info {
  * @fm_work: fastmap work queue
  * @fm_work_scheduled: non-zero if fastmap work was scheduled
  * @fast_attach: non-zero if UBI was attached by fastmap
- * @fm_anchor: The new anchor PEB used during fastmap update
- * @fm_next_anchor: An anchor PEB candidate for the next time fastmap is updated
+ * @fm_anchor: The next anchor PEB to use for fastmap
  * @fm_do_produce_anchor: If true produce an anchor PEB in wl
  *
  * @used: RB-tree of used physical eraseblocks

@@ -601,7 +600,6 @@ struct ubi_device {
 	int fm_work_scheduled;
 	int fast_attach;
 	struct ubi_wl_entry *fm_anchor;
-	struct ubi_wl_entry *fm_next_anchor;
 	int fm_do_produce_anchor;
 
 	/* Wear-leveling sub-system's stuff */

index 1bc7b3a05604..6ea95ade4ca6 100644
@@ -309,7 +309,6 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
 	ubi->volumes[vol_id] = NULL;
 	ubi->vol_count -= 1;
 	spin_unlock(&ubi->volumes_lock);
-	ubi_eba_destroy_table(eba_tbl);
 out_acc:
 	spin_lock(&ubi->volumes_lock);
 	ubi->rsvd_pebs -= vol->reserved_pebs;

index 8455f1d47f3c..afcdacb9d0e9 100644
@@ -689,16 +689,16 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
 
 #ifdef CONFIG_MTD_UBI_FASTMAP
 	e1 = find_anchor_wl_entry(&ubi->used);
-	if (e1 && ubi->fm_next_anchor &&
-	    (ubi->fm_next_anchor->ec - e1->ec >= UBI_WL_THRESHOLD)) {
+	if (e1 && ubi->fm_anchor &&
+	    (ubi->fm_anchor->ec - e1->ec >= UBI_WL_THRESHOLD)) {
 		ubi->fm_do_produce_anchor = 1;
-		/* fm_next_anchor is no longer considered a good anchor
-		 * candidate.
+		/*
+		 * fm_anchor is no longer considered a good anchor.
 		 * NULL assignment also prevents multiple wear level checks
 		 * of this PEB.
 		 */
-		wl_tree_add(ubi->fm_next_anchor, &ubi->free);
-		ubi->fm_next_anchor = NULL;
+		wl_tree_add(ubi->fm_anchor, &ubi->free);
+		ubi->fm_anchor = NULL;
 		ubi->free_count++;
 	}
 

@@ -1085,12 +1085,13 @@ static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk)
 	if (!err) {
 		spin_lock(&ubi->wl_lock);
 
-		if (!ubi->fm_disabled && !ubi->fm_next_anchor &&
+		if (!ubi->fm_disabled && !ubi->fm_anchor &&
 		    e->pnum < UBI_FM_MAX_START) {
-			/* Abort anchor production, if needed it will be
+			/*
+			 * Abort anchor production, if needed it will be
 			 * enabled again in the wear leveling started below.
 			 */
-			ubi->fm_next_anchor = e;
+			ubi->fm_anchor = e;
 			ubi->fm_do_produce_anchor = 0;
 		} else {
 			wl_tree_add(e, &ubi->free);

162 lines not on this page · raw message

index 8acec33a4702..9d8db457599c 100644
@@ -2021,8 +2021,10 @@ static int gswip_gphy_fw_list(struct gswip_priv *priv,
 	for_each_available_child_of_node(gphy_fw_list_np, gphy_fw_np) {
 		err = gswip_gphy_fw_probe(priv, &priv->gphy_fw[i],
 					  gphy_fw_np, i);
-		if (err)
+		if (err) {
+			of_node_put(gphy_fw_np);
 			goto remove_gphy;
+		}
 		i++;
 	}
 

index cf7754dddad7..283ae376f469 100644
@@ -3482,6 +3482,7 @@ static int mv88e6xxx_mdios_register(struct mv88e6xxx_chip *chip,
 	 */
 	child = of_get_child_by_name(np, "mdio");
 	err = mv88e6xxx_mdio_register(chip, child, false);
+	of_node_put(child);
 	if (err)
 		return err;
 

index 2b05ead515cd..6ae7a0ed9e0b 100644
@@ -50,22 +50,17 @@ static int mv88e6390_serdes_write(struct mv88e6xxx_chip *chip,
 }
 
 static int mv88e6xxx_serdes_pcs_get_state(struct mv88e6xxx_chip *chip,
-					  u16 ctrl, u16 status, u16 lpa,
+					  u16 bmsr, u16 lpa, u16 status,
 					  struct phylink_link_state *state)
 {
 	state->link = !!(status & MV88E6390_SGMII_PHY_STATUS_LINK);
+	state->an_complete = !!(bmsr & BMSR_ANEGCOMPLETE);
 
 	if (status & MV88E6390_SGMII_PHY_STATUS_SPD_DPL_VALID) {
 		/* The Spped and Duplex Resolved register is 1 if AN is enabled
 		 * and complete, or if AN is disabled. So with disabled AN we
-		 * still get here on link up. But we want to set an_complete
-		 * only if AN was enabled, thus we look at BMCR_ANENABLE.
-		 * (According to 802.3-2008 section 22.2.4.2.10, we should be
-		 *  able to get this same value from BMSR_ANEGCAPABLE, but tests
-		 *  show that these Marvell PHYs don't conform to this part of
-		 *  the specificaion - BMSR_ANEGCAPABLE is simply always 1.)
+		 * still get here on link up.
 		 */
-		state->an_complete = !!(ctrl & BMCR_ANENABLE);
 		state->duplex = status &
 				MV88E6390_SGMII_PHY_STATUS_DUPLEX_FULL ?
 			                         DUPLEX_FULL : DUPLEX_HALF;

@@ -191,12 +186,12 @@ int mv88e6352_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
 int mv88e6352_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
 				   int lane, struct phylink_link_state *state)
 {
-	u16 lpa, status, ctrl;
+	u16 bmsr, lpa, status;
 	int err;
 
-	err = mv88e6352_serdes_read(chip, MII_BMCR, &ctrl);
+	err = mv88e6352_serdes_read(chip, MII_BMSR, &bmsr);
 	if (err) {
-		dev_err(chip->dev, "can't read Serdes PHY control: %d\n", err);
+		dev_err(chip->dev, "can't read Serdes BMSR: %d\n", err);
 		return err;
 	}
 

@@ -212,7 +207,7 @@ int mv88e6352_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
 		return err;
 	}
 
-	return mv88e6xxx_serdes_pcs_get_state(chip, ctrl, status, lpa, state);
+	return mv88e6xxx_serdes_pcs_get_state(chip, bmsr, lpa, status, state);
 }
 
 int mv88e6352_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port,

@@ -915,13 +910,13 @@ int mv88e6390_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
 static int mv88e6390_serdes_pcs_get_state_sgmii(struct mv88e6xxx_chip *chip,
 	int port, int lane, struct phylink_link_state *state)
 {
-	u16 lpa, status, ctrl;
+	u16 bmsr, lpa, status;
 	int err;
 
 	err = mv88e6390_serdes_read(chip, lane, MDIO_MMD_PHYXS,
-				    MV88E6390_SGMII_BMCR, &ctrl);
+				    MV88E6390_SGMII_BMSR, &bmsr);
 	if (err) {
-		dev_err(chip->dev, "can't read Serdes PHY control: %d\n", err);
+		dev_err(chip->dev, "can't read Serdes PHY BMSR: %d\n", err);
 		return err;
 	}
 

@@ -939,7 +934,7 @@ static int mv88e6390_serdes_pcs_get_state_sgmii(struct mv88e6xxx_chip *chip,
 		return err;
 	}
 
-	return mv88e6xxx_serdes_pcs_get_state(chip, ctrl, status, lpa, state);
+	return mv88e6xxx_serdes_pcs_get_state(chip, bmsr, lpa, status, state);
 }
 
 static int mv88e6390_serdes_pcs_get_state_10g(struct mv88e6xxx_chip *chip,

index 993b2fb42961..36bf3ce545c9 100644
@@ -163,7 +163,8 @@ static int altera_tse_mdio_create(struct net_device *dev, unsigned int id)
 	mdio = mdiobus_alloc();
 	if (mdio == NULL) {
 		netdev_err(dev, "Error allocating MDIO bus\n");
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto put_node;
 	}
 
 	mdio->name = ALTERA_TSE_RESOURCE_NAME;

@@ -180,6 +181,7 @@ static int altera_tse_mdio_create(struct net_device *dev, unsigned int id)
 			   mdio->id);
 		goto out_free_mdio;
 	}
+	of_node_put(mdio_node);
 
 	if (netif_msg_drv(priv))
 		netdev_info(dev, "MDIO bus %s: created\n", mdio->id);

@@ -189,6 +191,8 @@ static int altera_tse_mdio_create(struct net_device *dev, unsigned int id)
 out_free_mdio:
 	mdiobus_free(mdio);
 	mdio = NULL;
+put_node:
+	of_node_put(mdio_node);
 	return ret;
 }
 

index 086739e4f40a..9b83d5361699 100644
@@ -234,6 +234,7 @@ struct mii_bus *bcma_mdio_mii_register(struct bgmac *bgmac)
 	np = of_get_child_by_name(core->dev.of_node, "mdio");
 
 	err = of_mdiobus_register(mii_bus, np);
+	of_node_put(np);
 	if (err) {
 		dev_err(&core->dev, "Registration of mii bus failed\n");
 		goto err_free_bus;

index 66cc79500c10..af9c88e71452 100644
@@ -830,8 +830,6 @@ void i40e_free_tx_resources(struct i40e_ring *tx_ring)
 	i40e_clean_tx_ring(tx_ring);
 	kfree(tx_ring->tx_bi);
 	tx_ring->tx_bi = NULL;
-	kfree(tx_ring->xsk_descs);
-	tx_ring->xsk_descs = NULL;
 
 	if (tx_ring->desc) {
 		dma_free_coherent(tx_ring->dev, tx_ring->size,

@@ -1433,13 +1431,6 @@ int i40e_setup_tx_descriptors(struct i40e_ring *tx_ring)
 	if (!tx_ring->tx_bi)
 		goto err;
 
-	if (ring_is_xdp(tx_ring)) {
-		tx_ring->xsk_descs = kcalloc(I40E_MAX_NUM_DESCRIPTORS, sizeof(*tx_ring->xsk_descs),
-					     GFP_KERNEL);
-		if (!tx_ring->xsk_descs)
-			goto err;
-	}
-
 	u64_stats_init(&tx_ring->syncp);
 
 	/* round up to nearest 4K */

@@ -1463,8 +1454,6 @@ int i40e_setup_tx_descriptors(struct i40e_ring *tx_ring)
 	return 0;
 
 err:
-	kfree(tx_ring->xsk_descs);
-	tx_ring->xsk_descs = NULL;
 	kfree(tx_ring->tx_bi);
 	tx_ring->tx_bi = NULL;
 	return -ENOMEM;

index bfc2845c99d1..f6d91fa1562e 100644
@@ -390,7 +390,6 @@ struct i40e_ring {
 	u16 rx_offset;
 	struct xdp_rxq_info xdp_rxq;
 	struct xsk_buff_pool *xsk_pool;
-	struct xdp_desc *xsk_descs;      /* For storing descriptors in the AF_XDP ZC path */
 } ____cacheline_internodealigned_in_smp;
 
 static inline bool ring_uses_build_skb(struct i40e_ring *ring)

index e5e72b5bb619..c1d25b0b0ca2 100644
@@ -470,11 +470,11 @@ static void i40e_set_rs_bit(struct i40e_ring *xdp_ring)
  **/
 static bool i40e_xmit_zc(struct i40e_ring *xdp_ring, unsigned int budget)
 {
-	struct xdp_desc *descs = xdp_ring->xsk_descs;
+	struct xdp_desc *descs = xdp_ring->xsk_pool->tx_descs;
 	u32 nb_pkts, nb_processed = 0;
 	unsigned int total_bytes = 0;
 
-	nb_pkts = xsk_tx_peek_release_desc_batch(xdp_ring->xsk_pool, descs, budget);
+	nb_pkts = xsk_tx_peek_release_desc_batch(xdp_ring->xsk_pool, budget);
 	if (!nb_pkts)
 		return true;
 

index 214a38de3f41..aaebdae8b5ff 100644
@@ -1157,9 +1157,9 @@ static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
 
 	switch (xcast_mode) {
 	case IXGBEVF_XCAST_MODE_NONE:
-		disable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE |
+		disable = IXGBE_VMOLR_ROMPE |
 			  IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
-		enable = 0;
+		enable = IXGBE_VMOLR_BAM;
 		break;
 	case IXGBEVF_XCAST_MODE_MULTI:
 		disable = IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;

@@ -1181,9 +1181,9 @@ static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
 			return -EPERM;
 		}
 
-		disable = 0;
+		disable = IXGBE_VMOLR_VPE;
 		enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE |
-			 IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
+			 IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE;
 		break;
 	default:
 		return -EOPNOTSUPP;

index a73a8017e0ee..e3a317442c8c 100644
@@ -579,7 +579,7 @@ static bool is_valid_offset(struct rvu *rvu, struct cpt_rd_wr_reg_msg *req)
 
 	blkaddr = validate_and_get_cpt_blkaddr(req->blkaddr);
 	if (blkaddr < 0)
-		return blkaddr;
+		return false;
 
 	/* Registers that can be accessed from PF/VF */
 	if ((offset & 0xFF000) ==  CPT_AF_LFX_CTL(0) ||

index f02d07ec5ccb..a50090e62c8f 100644
@@ -1949,6 +1949,9 @@ static int mtk_hwlro_get_fdir_entry(struct net_device *dev,
 	struct ethtool_rx_flow_spec *fsp =
 		(struct ethtool_rx_flow_spec *)&cmd->fs;
 
+	if (fsp->location >= ARRAY_SIZE(mac->hwlro_ip))
+		return -EINVAL;
+
 	/* only tcp dst ipv4 is meaningful, others are meaningless */
 	fsp->flow_type = TCP_V4_FLOW;
 	fsp->h_u.tcp_ip4_spec.ip4dst = ntohl(mac->hwlro_ip[fsp->location]);

index ed5038d98ef6..6400a827173c 100644
@@ -2110,7 +2110,7 @@ static int mlx4_en_get_module_eeprom(struct net_device *dev,
 			en_err(priv,
 			       "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n",
 			       i, offset, ee->len - i, ret);
-			return 0;
+			return ret;
 		}
 
 		i += ret;

74 lines not on this page · raw message

index eae9aa9c0811..978a2bb8e122 100644
@@ -675,6 +675,9 @@ static void mlx5_fw_tracer_handle_traces(struct work_struct *work)
 	if (!tracer->owner)
 		return;
 
+	if (unlikely(!tracer->str_db.loaded))
+		goto arm;
+
 	block_count = tracer->buff.size / TRACER_BLOCK_SIZE_BYTE;
 	start_offset = tracer->buff.consumer_index * TRACER_BLOCK_SIZE_BYTE;
 

@@ -732,6 +735,7 @@ static void mlx5_fw_tracer_handle_traces(struct work_struct *work)
 						      &tmp_trace_block[TRACES_PER_BLOCK - 1]);
 	}
 
+arm:
 	mlx5_fw_tracer_arm(dev);
 }
 

@@ -1136,8 +1140,7 @@ static int fw_tracer_event(struct notifier_block *nb, unsigned long action, void
 		queue_work(tracer->work_queue, &tracer->ownership_change_work);
 		break;
 	case MLX5_TRACER_SUBTYPE_TRACES_AVAILABLE:
-		if (likely(tracer->str_db.loaded))
-			queue_work(tracer->work_queue, &tracer->handle_traces_work);
+		queue_work(tracer->work_queue, &tracer->handle_traces_work);
 		break;
 	default:
 		mlx5_core_dbg(dev, "FWTracer: Event with unrecognized subtype: sub_type %d\n",

index 5ccd6c634274..4c8c8e4c1ef3 100644
@@ -730,6 +730,7 @@ struct mlx5e_rq {
 	u8                     wq_type;
 	u32                    rqn;
 	struct mlx5_core_dev  *mdev;
+	struct mlx5e_channel  *channel;
 	u32  umr_mkey;
 	struct mlx5e_dma_info  wqe_overflow;
 

@@ -1044,6 +1045,9 @@ void mlx5e_close_cq(struct mlx5e_cq *cq);
 int mlx5e_open_locked(struct net_device *netdev);
 int mlx5e_close_locked(struct net_device *netdev);
 
+void mlx5e_trigger_napi_icosq(struct mlx5e_channel *c);
+void mlx5e_trigger_napi_sched(struct napi_struct *napi);
+
 int mlx5e_open_channels(struct mlx5e_priv *priv,
 			struct mlx5e_channels *chs);
 void mlx5e_close_channels(struct mlx5e_channels *chs);

index 678ffbb48a25..e3e8c1c3ff24 100644
@@ -12,6 +12,7 @@ struct mlx5e_post_act;
 enum {
 	MLX5E_TC_FT_LEVEL = 0,
 	MLX5E_TC_TTC_FT_LEVEL,
+	MLX5E_TC_MISS_LEVEL,
 };
 
 struct mlx5e_tc_table {

@@ -20,6 +21,7 @@ struct mlx5e_tc_table {
 	 */
 	struct mutex			t_lock;
 	struct mlx5_flow_table		*t;
+	struct mlx5_flow_table		*miss_t;
 	struct mlx5_fs_chains           *chains;
 	struct mlx5e_post_act		*post_act;
 

index 82baafd3c00c..fdb82f2b0130 100644
@@ -737,6 +737,7 @@ void mlx5e_ptp_activate_channel(struct mlx5e_ptp *c)
 	if (test_bit(MLX5E_PTP_STATE_RX, c->state)) {
 		mlx5e_ptp_rx_set_fs(c->priv);
 		mlx5e_activate_rq(&c->rq);
+		mlx5e_trigger_napi_sched(&c->napi);
 	}
 }
 

index 2684e9da9f41..fc366e66d0b0 100644
@@ -123,6 +123,8 @@ static int mlx5e_rx_reporter_err_icosq_cqe_recover(void *ctx)
 		xskrq->stats->recover++;
 	}
 
+	mlx5e_trigger_napi_icosq(icosq->channel);
+
 	mutex_unlock(&icosq->channel->icosq_recovery_lock);
 
 	return 0;

@@ -166,6 +168,10 @@ static int mlx5e_rx_reporter_err_rq_cqe_recover(void *ctx)
 	clear_bit(MLX5E_RQ_STATE_RECOVERING, &rq->state);
 	mlx5e_activate_rq(rq);
 	rq->stats->recover++;
+	if (rq->channel)
+		mlx5e_trigger_napi_icosq(rq->channel);
+	else
+		mlx5e_trigger_napi_sched(rq->cq.napi);
 	return 0;
 out:
 	clear_bit(MLX5E_RQ_STATE_RECOVERING, &rq->state);

index 9028e9958c72..cf9d48d934ef 100644
@@ -692,7 +692,7 @@ mlx5_tc_ct_entry_create_mod_hdr(struct mlx5_tc_ct_priv *ct_priv,
 				struct mlx5_flow_attr *attr,
 				struct flow_rule *flow_rule,
 				struct mlx5e_mod_hdr_handle **mh,
-				u8 zone_restore_id, bool nat)
+				u8 zone_restore_id, bool nat_table, bool has_nat)
 {
 	DECLARE_MOD_HDR_ACTS_ACTIONS(actions_arr, MLX5_CT_MIN_MOD_ACTS);
 	DECLARE_MOD_HDR_ACTS(mod_acts, actions_arr);

@@ -708,11 +708,12 @@ mlx5_tc_ct_entry_create_mod_hdr(struct mlx5_tc_ct_priv *ct_priv,
 				     &attr->ct_attr.ct_labels_id);
 	if (err)
 		return -EOPNOTSUPP;
-	if (nat) {
-		err = mlx5_tc_ct_entry_create_nat(ct_priv, flow_rule,
-						  &mod_acts);
-		if (err)
-			goto err_mapping;
+	if (nat_table) {
+		if (has_nat) {
+			err = mlx5_tc_ct_entry_create_nat(ct_priv, flow_rule, &mod_acts);
+			if (err)
+				goto err_mapping;
+		}
 
 		ct_state |= MLX5_CT_STATE_NAT_BIT;
 	}

@@ -727,7 +728,7 @@ mlx5_tc_ct_entry_create_mod_hdr(struct mlx5_tc_ct_priv *ct_priv,
 	if (err)
 		goto err_mapping;
 
-	if (nat) {
+	if (nat_table && has_nat) {
 		attr->modify_hdr = mlx5_modify_header_alloc(ct_priv->dev, ct_priv->ns_type,
 							    mod_acts.num_actions,
 							    mod_acts.actions);

@@ -795,7 +796,9 @@ mlx5_tc_ct_entry_add_rule(struct mlx5_tc_ct_priv *ct_priv,
 
 	err = mlx5_tc_ct_entry_create_mod_hdr(ct_priv, attr, flow_rule,
 					      &zone_rule->mh,
-					      zone_restore_id, nat);
+					      zone_restore_id,
+					      nat,
+					      mlx5_tc_ct_entry_has_nat(entry));
 	if (err) {
 		ct_dbg("Failed to create ct entry mod hdr");
 		goto err_mod_hdr;

index a55b066746cb..6dd36e3cf425 100644
@@ -172,6 +172,7 @@ static void mlx5e_activate_trap(struct mlx5e_trap *trap)
 {
 	napi_enable(&trap->napi);
 	mlx5e_activate_rq(&trap->rq);
+	mlx5e_trigger_napi_sched(&trap->napi);
 }
 
 void mlx5e_deactivate_trap(struct mlx5e_priv *priv)

index 279cd8f4e79f..2c520394aa1d 100644
@@ -117,6 +117,7 @@ static int mlx5e_xsk_enable_locked(struct mlx5e_priv *priv,
 		goto err_remove_pool;
 
 	mlx5e_activate_xsk(c);
+	mlx5e_trigger_napi_icosq(c);
 
 	/* Don't wait for WQEs, because the newer xdpsock sample doesn't provide
 	 * any Fill Ring entries at the setup stage.

index 25eac9e20342..5a2cd15e245d 100644
@@ -64,6 +64,7 @@ static int mlx5e_init_xsk_rq(struct mlx5e_channel *c,
 	rq->clock        = &mdev->clock;
 	rq->icosq        = &c->icosq;
 	rq->ix           = c->ix;
+	rq->channel      = c;
 	rq->mdev         = mdev;
 	rq->hw_mtu       = MLX5E_SW2HW_MTU(params, params->sw_mtu);
 	rq->xdpsq        = &c->rq_xdpsq;

@@ -179,10 +180,6 @@ void mlx5e_activate_xsk(struct mlx5e_channel *c)
 	mlx5e_reporter_icosq_resume_recovery(c);
 
 	/* TX queue is created active. */
-
-	spin_lock_bh(&c->async_icosq_lock);
-	mlx5e_trigger_irq(&c->async_icosq);
-	spin_unlock_bh(&c->async_icosq_lock);
 }
 
 void mlx5e_deactivate_xsk(struct mlx5e_channel *c)

index 531fffe1abe3..352b5c8ae24e 100644
@@ -477,6 +477,7 @@ static int mlx5e_init_rxq_rq(struct mlx5e_channel *c, struct mlx5e_params *param
 	rq->clock        = &mdev->clock;
 	rq->icosq        = &c->icosq;
 	rq->ix           = c->ix;
+	rq->channel      = c;
 	rq->mdev         = mdev;
 	rq->hw_mtu       = MLX5E_SW2HW_MTU(params, params->sw_mtu);
 	rq->xdpsq        = &c->rq_xdpsq;

@@ -1070,13 +1071,6 @@ int mlx5e_open_rq(struct mlx5e_params *params, struct mlx5e_rq_param *param,
 void mlx5e_activate_rq(struct mlx5e_rq *rq)
 {
 	set_bit(MLX5E_RQ_STATE_ENABLED, &rq->state);
-	if (rq->icosq) {
-		mlx5e_trigger_irq(rq->icosq);
-	} else {
-		local_bh_disable();
-		napi_schedule(rq->cq.napi);
-		local_bh_enable();
-	}
 }
 
 void mlx5e_deactivate_rq(struct mlx5e_rq *rq)

@@ -2218,6 +2212,20 @@ static int mlx5e_channel_stats_alloc(struct mlx5e_priv *priv, int ix, int cpu)
 	return 0;
 }
 
+void mlx5e_trigger_napi_icosq(struct mlx5e_channel *c)
+{
+	spin_lock_bh(&c->async_icosq_lock);
+	mlx5e_trigger_irq(&c->async_icosq);
+	spin_unlock_bh(&c->async_icosq_lock);
+}
+
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