Linux 4.19.226

index aba6e2d6a736..dcfa0ea912fe 100644
@@ -387,6 +387,12 @@ struct clk *clk_get_parent(struct clk *clk)
 }
 EXPORT_SYMBOL(clk_get_parent);
 
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+	return 0;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
 unsigned long clk_get_rate(struct clk *clk)
 {
 	if (!clk)

index 5ba181e87d2c..4d83f5bc7211 100644
@@ -328,6 +328,7 @@ static int __init octeon_ehci_device_init(void)
 
 	pd->dev.platform_data = &octeon_ehci_pdata;
 	octeon_ehci_hw_start(&pd->dev);
+	put_device(&pd->dev);
 
 	return ret;
 }

@@ -391,6 +392,7 @@ static int __init octeon_ohci_device_init(void)
 
 	pd->dev.platform_data = &octeon_ohci_pdata;
 	octeon_ohci_hw_start(&pd->dev);
+	put_device(&pd->dev);
 
 	return ret;
 }

index 75189ff2f3c7..3465452e2819 100644
@@ -543,6 +543,7 @@ static int __init dwc3_octeon_device_init(void)
 			devm_iounmap(&pdev->dev, base);
 			devm_release_mem_region(&pdev->dev, res->start,
 						resource_size(res));
+			put_device(&pdev->dev);
 		}
 	} while (node != NULL);
 

index 62787765575e..ce6e5fddce0b 100644
@@ -315,7 +315,7 @@ enum cvmx_chip_types_enum {
 
 /* Functions to return string based on type */
 #define ENUM_BRD_TYPE_CASE(x) \
-	case x: return(#x + 16);	/* Skip CVMX_BOARD_TYPE_ */
+	case x: return (&#x[16]);	/* Skip CVMX_BOARD_TYPE_ */
 static inline const char *cvmx_board_type_to_string(enum
 						    cvmx_board_types_enum type)
 {

@@ -404,7 +404,7 @@ static inline const char *cvmx_board_type_to_string(enum
 }
 
 #define ENUM_CHIP_TYPE_CASE(x) \
-	case x: return(#x + 15);	/* Skip CVMX_CHIP_TYPE */
+	case x: return (&#x[15]);	/* Skip CVMX_CHIP_TYPE */
 static inline const char *cvmx_chip_type_to_string(enum
 						   cvmx_chip_types_enum type)
 {

index a8e309dcd38d..f5fab99d1751 100644
@@ -166,6 +166,12 @@ struct clk *clk_get_parent(struct clk *clk)
 }
 EXPORT_SYMBOL(clk_get_parent);
 
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+	return 0;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
 static inline u32 get_counter_resolution(void)
 {
 	u32 res;

index 5a4875cac1ec..2e7a0d201c09 100644
@@ -274,7 +274,14 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write,
 		next = pgd_addr_end(addr, end);
 		if (pgd_none(pgd))
 			goto slow;
-		if (!gup_pud_range(pgd, addr, next, write, pages, &nr))
+		/*
+		 * The FAST_GUP case requires FOLL_WRITE even for pure reads,
+		 * because get_user_pages() may need to cause an early COW in
+		 * order to avoid confusing the normal COW routines. So only
+		 * targets that are already writable are safe to do by just
+		 * looking at the page tables.
+		 */
+		if (!gup_pud_range(pgd, addr, next, 1, pages, &nr))
 			goto slow;
 	} while (pgdp++, addr = next, addr != end);
 	local_irq_enable();

index abeb5321a83f..d7a66d852509 100644
@@ -750,7 +750,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
 	     * unless pagefault_disable() was called before.
 	     */
 
-	    if (fault_space == 0 && !faulthandler_disabled())
+	    if (faulthandler_disabled() || fault_space == 0)
 	    {
 		/* Clean up and return if in exception table. */
 		if (fixup_exception(regs))

index b2072d5bbf2b..a046504d8bfa 100644
@@ -258,8 +258,10 @@ int __init btext_find_display(int allow_nonstdout)
 			rc = btext_initialize(np);
 			printk("result: %d\n", rc);
 		}
-		if (rc == 0)
+		if (rc == 0) {
+			of_node_put(np);
 			break;
+		}
 	}
 	return rc;
 }

index af1e38febe49..29a8087a4901 100644
@@ -2805,7 +2805,7 @@ static void __init fixup_device_tree_efika_add_phy(void)
 
 	/* Check if the phy-handle property exists - bail if it does */
 	rv = prom_getprop(node, "phy-handle", prop, sizeof(prop));
-	if (!rv)
+	if (rv <= 0)
 		return;
 
 	/*

index 14adfeacfa46..60fc3c71aa7b 100644
@@ -564,6 +564,36 @@ void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *))
 }
 #endif
 
+#ifdef CONFIG_NMI_IPI
+static void crash_stop_this_cpu(struct pt_regs *regs)
+#else
+static void crash_stop_this_cpu(void *dummy)
+#endif
+{
+	/*
+	 * Just busy wait here and avoid marking CPU as offline to ensure
+	 * register data is captured appropriately.
+	 */
+	while (1)
+		cpu_relax();
+}
+
+void crash_smp_send_stop(void)
+{
+	static bool stopped = false;
+
+	if (stopped)
+		return;
+
+	stopped = true;
+
+#ifdef CONFIG_NMI_IPI
+	smp_send_nmi_ipi(NMI_IPI_ALL_OTHERS, crash_stop_this_cpu, 1000000);
+#else
+	smp_call_function(crash_stop_this_cpu, NULL, 0);
+#endif /* CONFIG_NMI_IPI */
+}
+
 #ifdef CONFIG_NMI_IPI
 static void nmi_stop_this_cpu(struct pt_regs *regs)
 {

@@ -1070,10 +1100,12 @@ void start_secondary(void *unused)
 	BUG();
 }
 
+#ifdef CONFIG_PROFILING
 int setup_profiling_timer(unsigned int multiplier)
 {
 	return 0;
 }
+#endif
 
 #ifdef CONFIG_SCHED_SMT
 /* cpumask of CPUs with asymetric SMT dependancy */

67 lines not on this page · raw message

index 12352a58072a..d9c2c4cc60be 100644
@@ -1088,6 +1088,7 @@ static int __init cell_iommu_fixed_mapping_init(void)
 			if (hbase < dbase || (hend > (dbase + dsize))) {
 				pr_debug("iommu: hash window doesn't fit in"
 					 "real DMA window\n");
+				of_node_put(np);
 				return -1;
 			}
 		}

index a88944db9fc3..97ac2622ee4e 100644
@@ -90,6 +90,7 @@ static int cbe_system_reset_exception(struct pt_regs *regs)
 	switch (regs->msr & SRR1_WAKEMASK) {
 	case SRR1_WAKEDEC:
 		set_dec(1);
+		break;
 	case SRR1_WAKEEE:
 		/*
 		 * Handle these when interrupts get re-enabled and we take

index 8112b39879d6..7b4edf1cb2c8 100644
@@ -220,6 +220,7 @@ void hlwd_pic_probe(void)
 			irq_set_chained_handler(cascade_virq,
 						hlwd_pic_irq_cascade);
 			hlwd_irq_host = host;
+			of_node_put(np);
 			break;
 		}
 	}

index 6c7ad1d8b32e..21f0edcfb84a 100644
@@ -400,6 +400,7 @@ void __init opal_lpc_init(void)
 		if (!of_get_property(np, "primary", NULL))
 			continue;
 		opal_lpc_chip_id = of_get_ibm_chip_id(np);
+		of_node_put(np);
 		break;
 	}
 	if (opal_lpc_chip_id < 0)

index dc5ecaea30d7..3dcfe98f70f5 100644
@@ -1900,6 +1900,13 @@ int kvm_s390_is_stop_irq_pending(struct kvm_vcpu *vcpu)
 	return test_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs);
 }
 
+int kvm_s390_is_restart_irq_pending(struct kvm_vcpu *vcpu)
+{
+	struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int;
+
+	return test_bit(IRQ_PEND_RESTART, &li->pending_irqs);
+}
+
 void kvm_s390_clear_stop_irq(struct kvm_vcpu *vcpu)
 {
 	struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int;

index 71c67a1d2849..3aade928c18d 100644
@@ -3844,10 +3844,15 @@ void kvm_s390_vcpu_stop(struct kvm_vcpu *vcpu)
 	spin_lock(&vcpu->kvm->arch.start_stop_lock);
 	online_vcpus = atomic_read(&vcpu->kvm->online_vcpus);
 
-	/* SIGP STOP and SIGP STOP AND STORE STATUS has been fully processed */
+	/*
+	 * Set the VCPU to STOPPED and THEN clear the interrupt flag,
+	 * now that the SIGP STOP and SIGP STOP AND STORE STATUS orders
+	 * have been fully processed. This will ensure that the VCPU
+	 * is kept BUSY if another VCPU is inquiring with SIGP SENSE.
+	 */
+	kvm_s390_set_cpuflags(vcpu, CPUSTAT_STOPPED);
 	kvm_s390_clear_stop_irq(vcpu);
 
-	kvm_s390_set_cpuflags(vcpu, CPUSTAT_STOPPED);
 	__disable_ibs_on_vcpu(vcpu);
 
 	for (i = 0; i < online_vcpus; i++) {

index 0a2ffd5378be..a7264c1136e1 100644
@@ -372,6 +372,7 @@ void kvm_s390_destroy_adapters(struct kvm *kvm);
 int kvm_s390_ext_call_pending(struct kvm_vcpu *vcpu);
 extern struct kvm_device_ops kvm_flic_ops;
 int kvm_s390_is_stop_irq_pending(struct kvm_vcpu *vcpu);
+int kvm_s390_is_restart_irq_pending(struct kvm_vcpu *vcpu);
 void kvm_s390_clear_stop_irq(struct kvm_vcpu *vcpu);
 int kvm_s390_set_irq_state(struct kvm_vcpu *vcpu,
 			   void __user *buf, int len);

index 683036c1c92a..3dc921e853b6 100644
@@ -288,6 +288,34 @@ static int handle_sigp_dst(struct kvm_vcpu *vcpu, u8 order_code,
 	if (!dst_vcpu)
 		return SIGP_CC_NOT_OPERATIONAL;
 
+	/*
+	 * SIGP RESTART, SIGP STOP, and SIGP STOP AND STORE STATUS orders
+	 * are processed asynchronously. Until the affected VCPU finishes
+	 * its work and calls back into KVM to clear the (RESTART or STOP)
+	 * interrupt, we need to return any new non-reset orders "busy".
+	 *
+	 * This is important because a single VCPU could issue:
+	 *  1) SIGP STOP $DESTINATION
+	 *  2) SIGP SENSE $DESTINATION
+	 *
+	 * If the SIGP SENSE would not be rejected as "busy", it could
+	 * return an incorrect answer as to whether the VCPU is STOPPED
+	 * or OPERATING.
+	 */
+	if (order_code != SIGP_INITIAL_CPU_RESET &&
+	    order_code != SIGP_CPU_RESET) {
+		/*
+		 * Lockless check. Both SIGP STOP and SIGP (RE)START
+		 * properly synchronize everything while processing
+		 * their orders, while the guest cannot observe a
+		 * difference when issuing other orders from two
+		 * different VCPUs.
+		 */
+		if (kvm_s390_is_stop_irq_pending(dst_vcpu) ||
+		    kvm_s390_is_restart_irq_pending(dst_vcpu))
+			return SIGP_CC_BUSY;
+	}
+
 	switch (order_code) {
 	case SIGP_SENSE:
 		vcpu->stat.instruction_sigp_sense++;

index 9b5b866d8adf..5389bf5bc828 100644
@@ -287,7 +287,14 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write,
 
 	might_sleep();
 	start &= PAGE_MASK;
-	nr = __get_user_pages_fast(start, nr_pages, write, pages);
+	/*
+	 * The FAST_GUP case requires FOLL_WRITE even for pure reads,
+	 * because get_user_pages() may need to cause an early COW in
+	 * order to avoid confusing the normal COW routines. So only
+	 * targets that are already writable are safe to do by just
+	 * looking at the page tables.
+	 */
+	nr = __get_user_pages_fast(start, nr_pages, 1, pages);
 	if (nr == nr_pages)
 		return nr;
 

index f3bc9c9305da..3f3c13a4dd0b 100644
@@ -256,13 +256,15 @@ void page_table_free(struct mm_struct *mm, unsigned long *table)
 		/* Free 2K page table fragment of a 4K page */
 		bit = (__pa(table) & ~PAGE_MASK)/(PTRS_PER_PTE*sizeof(pte_t));
 		spin_lock_bh(&mm->context.lock);
-		mask = atomic_xor_bits(&page->_refcount, 1U << (bit + 24));
+		mask = atomic_xor_bits(&page->_refcount, 0x11U << (bit + 24));
 		mask >>= 24;
 		if (mask & 3)
 			list_add(&page->lru, &mm->context.pgtable_list);
 		else
 			list_del(&page->lru);
 		spin_unlock_bh(&mm->context.lock);
+		mask = atomic_xor_bits(&page->_refcount, 0x10U << (bit + 24));
+		mask >>= 24;
 		if (mask != 0)
 			return;
 	} else {

index 56c86ca98ecf..23fa2fc8aabc 100644
@@ -242,7 +242,14 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write,
 		next = pgd_addr_end(addr, end);
 		if (pgd_none(pgd))
 			goto slow;
-		if (!gup_pud_range(pgd, addr, next, write, pages, &nr))
+		/*
+		 * The FAST_GUP case requires FOLL_WRITE even for pure reads,
+		 * because get_user_pages() may need to cause an early COW in
+		 * order to avoid confusing the normal COW routines. So only
+		 * targets that are already writable are safe to do by just
+		 * looking at the page tables.
+		 */
+		if (!gup_pud_range(pgd, addr, next, 1, pages, &nr))
 			goto slow;
 	} while (pgdp++, addr = next, addr != end);
 	local_irq_enable();

index aee6dba83d0e..f291d34a1cd5 100644
@@ -303,7 +303,14 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write,
 		next = pgd_addr_end(addr, end);
 		if (pgd_none(pgd))
 			goto slow;
-		if (!gup_pud_range(pgd, addr, next, write, pages, &nr))
+		/*
+		 * The FAST_GUP case requires FOLL_WRITE even for pure reads,
+		 * because get_user_pages() may need to cause an early COW in
+		 * order to avoid confusing the normal COW routines. So only
+		 * targets that are already writable are safe to do by just
+		 * looking at the page tables.
+		 */
+		if (!gup_pud_range(pgd, addr, next, 1, pages, &nr))
 			goto slow;
 	} while (pgdp++, addr = next, addr != end);
 

index a74449b5b0e3..12ad7c435e97 100644
@@ -16,8 +16,8 @@ extern int restore_fp_registers(int pid, unsigned long *fp_regs);
 extern int save_fpx_registers(int pid, unsigned long *fp_regs);
 extern int restore_fpx_registers(int pid, unsigned long *fp_regs);
 extern int save_registers(int pid, struct uml_pt_regs *regs);
-extern int restore_registers(int pid, struct uml_pt_regs *regs);
-extern int init_registers(int pid);
+extern int restore_pid_registers(int pid, struct uml_pt_regs *regs);
+extern int init_pid_registers(int pid);
 extern void get_safe_registers(unsigned long *regs, unsigned long *fp_regs);
 extern unsigned long get_thread_reg(int reg, jmp_buf *buf);
 extern int get_fp_registers(int pid, unsigned long *regs);

index 2ff8d4fe83c4..34a5963bd7ef 100644
@@ -21,7 +21,7 @@ int save_registers(int pid, struct uml_pt_regs *regs)
 	return 0;
 }
 
-int restore_registers(int pid, struct uml_pt_regs *regs)
+int restore_pid_registers(int pid, struct uml_pt_regs *regs)
 {
 	int err;
 

@@ -36,7 +36,7 @@ int restore_registers(int pid, struct uml_pt_regs *regs)
 static unsigned long exec_regs[MAX_REG_NR];
 static unsigned long exec_fp_regs[FP_SIZE];
 
-int init_registers(int pid)
+int init_pid_registers(int pid)
 {
 	int err;
 

index 82bf5f8442ba..2c75f2d63868 100644
@@ -336,7 +336,7 @@ void __init os_early_checks(void)
 	check_tmpexec();
 
 	pid = start_ptraced_child();
-	if (init_registers(pid))
+	if (init_pid_registers(pid))
 		fatal("Failed to initialize default registers");
 	stop_ptraced_child(pid, 1, 1);
 }

index 9cc524be3c94..14dc3c1f7fb4 100644
@@ -354,7 +354,7 @@ static ssize_t flags_write(struct file *filp, const char __user *ubuf,
 	char buf[MAX_FLAG_OPT_SIZE], *__buf;
 	int err;
 
-	if (cnt > MAX_FLAG_OPT_SIZE)
+	if (!cnt || cnt > MAX_FLAG_OPT_SIZE)
 		return -EINVAL;
 
 	if (copy_from_user(&buf, ubuf, cnt))

index 2a13468f8773..8f36ccf26cec 100644
@@ -295,11 +295,17 @@ static void wait_for_panic(void)
 	panic("Panicing machine check CPU died");
 }
 
-static void mce_panic(const char *msg, struct mce *final, char *exp)
+static noinstr void mce_panic(const char *msg, struct mce *final, char *exp)
 {
-	int apei_err = 0;
 	struct llist_node *pending;
 	struct mce_evt_llist *l;
+	int apei_err = 0;
+
+	/*
+	 * Allow instrumentation around external facilities usage. Not that it
+	 * matters a whole lot since the machine is going to panic anyway.
+	 */
+	instrumentation_begin();
 
 	if (!fake_panic) {
 		/*

@@ -314,7 +320,7 @@ static void mce_panic(const char *msg, struct mce *final, char *exp)
 	} else {
 		/* Don't log too much for fake panic */
 		if (atomic_inc_return(&mce_fake_panicked) > 1)
-			return;
+			goto out;
 	}
 	pending = mce_gen_pool_prepare_records();
 	/* First print corrected ones that are still unlogged */

@@ -352,6 +358,9 @@ static void mce_panic(const char *msg, struct mce *final, char *exp)
 		panic(msg);
 	} else
 		pr_emerg(HW_ERR "Fake kernel panic: %s\n", msg);
+
+out:
+	instrumentation_end();
 }
 
 /* Support code for software error injection */

@@ -642,7 +651,7 @@ static struct notifier_block mce_default_nb = {
 /*
  * Read ADDR and MISC registers.
  */
-static void mce_read_aux(struct mce *m, int i)
+static noinstr void mce_read_aux(struct mce *m, int i)
 {
 	if (m->status & MCI_STATUS_MISCV)
 		m->misc = mce_rdmsrl(msr_ops.misc(i));

@@ -1021,10 +1030,13 @@ static int mce_start(int *no_way_out)
  * Synchronize between CPUs after main scanning loop.
  * This invokes the bulk of the Monarch processing.
  */
-static int mce_end(int order)
+static noinstr int mce_end(int order)
 {
-	int ret = -1;
 	u64 timeout = (u64)mca_cfg.monarch_timeout * NSEC_PER_USEC;
+	int ret = -1;
+
+	/* Allow instrumentation around external facilities. */
+	instrumentation_begin();
 
 	if (!timeout)
 		goto reset;

@@ -1068,7 +1080,8 @@ static int mce_end(int order)
 		/*
 		 * Don't reset anything. That's done by the Monarch.
 		 */
-		return 0;
+		ret = 0;
+		goto out;
 	}
 
 	/*

@@ -1083,6 +1096,10 @@ static int mce_end(int order)
 	 * Let others run again.
 	 */
 	atomic_set(&mce_executing, 0);
+
+out:
+	instrumentation_end();
+
 	return ret;
 }
 

index 50d5848bf22e..d5352b0ae091 100644
@@ -515,6 +515,7 @@ static const struct intel_early_ops gen11_early_ops __initconst = {
 	.stolen_size = gen9_stolen_size,
 };
 
+/* Intel integrated GPUs for which we need to reserve "stolen memory" */
 static const struct pci_device_id intel_early_ids[] __initconst = {
 	INTEL_I830_IDS(&i830_early_ops),
 	INTEL_I845G_IDS(&i845_early_ops),

@@ -584,6 +585,13 @@ static void __init intel_graphics_quirks(int num, int slot, int func)
 	u16 device;
 	int i;
 
+	/*
+	 * Reserve "stolen memory" for an integrated GPU.  If we've already
+	 * found one, there's nothing to do for other (discrete) GPUs.
+	 */
+	if (resource_size(&intel_graphics_stolen_res))
+		return;
+
 	device = read_pci_config_16(num, slot, func, PCI_DEVICE_ID);
 
 	for (i = 0; i < ARRAY_SIZE(intel_early_ids); i++) {

@@ -696,7 +704,7 @@ static struct chipset early_qrk[] __initdata = {
 	{ PCI_VENDOR_ID_INTEL, 0x3406, PCI_CLASS_BRIDGE_HOST,
 	  PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check },
 	{ PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA, PCI_ANY_ID,
-	  QFLAG_APPLY_ONCE, intel_graphics_quirks },
+	  0, intel_graphics_quirks },
 	/*
 	 * HPET on the current version of the Baytrail platform has accuracy
 	 * problems: it will halt in deep idle state - so we disable it.

index 58f51667e2e4..8249685b4096 100644
@@ -11,6 +11,7 @@
 #include <linux/uaccess.h>
 #include <asm/prctl.h> /* XXX This should get the constants from libc */
 #include <os.h>
+#include <registers.h>
 
 long arch_prctl(struct task_struct *task, int option,
 		unsigned long __user *arg2)

@@ -35,7 +36,7 @@ long arch_prctl(struct task_struct *task, int option,
 	switch (option) {
 	case ARCH_SET_FS:
 	case ARCH_SET_GS:
-		ret = restore_registers(pid, &current->thread.regs.regs);
+		ret = restore_pid_registers(pid, &current->thread.regs.regs);
 		if (ret)
 			return ret;
 		break;

index ba9fbae0cf91..319f4bc6a839 100644
@@ -1007,7 +1007,8 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
 						    (walk_state, return_desc,
 						     &temp_desc);
 						if (ACPI_FAILURE(status)) {
-							goto cleanup;
+							return_ACPI_STATUS
+							    (status);
 						}
 
 						return_desc = temp_desc;

index 9516966124ae..9380a5e214da 100644
@@ -104,7 +104,9 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state)
 
 	/* Flush caches, as per ACPI specification */
 
-	ACPI_FLUSH_CPU_CACHE();
+	if (sleep_state < ACPI_STATE_S4) {
+		ACPI_FLUSH_CPU_CACHE();
+	}
 
 	status = acpi_os_enter_sleep(sleep_state, sleep_control, 0);
 	if (status == AE_CTRL_TERMINATE) {

index f4282370947c..6368ff544af1 100644
@@ -110,7 +110,9 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
 
 	/* Flush caches, as per ACPI specification */
 
-	ACPI_FLUSH_CPU_CACHE();
+	if (sleep_state < ACPI_STATE_S4) {
+		ACPI_FLUSH_CPU_CACHE();
+	}
 
 	status = acpi_os_enter_sleep(sleep_state, pm1a_control, pm1b_control);
 	if (status == AE_CTRL_TERMINATE) {

index dc1e44ccaae2..d0dca7dae080 100644
@@ -189,8 +189,6 @@ acpi_status acpi_enter_sleep_state_s4bios(void)
 		return_ACPI_STATUS(status);
 	}
 
-	ACPI_FLUSH_CPU_CACHE();
-
 	status = acpi_hw_write_port(acpi_gbl_FADT.smi_command,
 				    (u32)acpi_gbl_FADT.s4_bios_request, 8);
 

index 0dc8dea81582..db79a826e6b8 100644
@@ -410,6 +410,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
 			ACPI_WARNING((AE_INFO,
 				      "Obj %p, Reference Count is already zero, cannot decrement\n",
 				      object));
+			return;
 		}
 
 		ACPI_DEBUG_PRINT_RAW((ACPI_DB_ALLOCATIONS,

index 0bbf8b453ebf..d4e42a578e18 100644
@@ -78,6 +78,7 @@ static int battery_bix_broken_package;
 static int battery_notification_delay_ms;
 static int battery_ac_is_broken;
 static int battery_check_pmic = 1;
+static int battery_quirk_notcharging;
 static unsigned int cache_time = 1000;
 module_param(cache_time, uint, 0644);
 MODULE_PARM_DESC(cache_time, "cache time in milliseconds");

@@ -246,6 +247,8 @@ static int acpi_battery_get_property(struct power_supply *psy,
 			val->intval = POWER_SUPPLY_STATUS_CHARGING;
 		else if (acpi_battery_is_charged(battery))
 			val->intval = POWER_SUPPLY_STATUS_FULL;
+		else if (battery_quirk_notcharging)
+			val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
 		else
 			val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
 		break;

@@ -1350,6 +1353,12 @@ battery_do_not_check_pmic_quirk(const struct dmi_system_id *d)
 	return 0;
 }
 
+static int __init battery_quirk_not_charging(const struct dmi_system_id *d)
+{
+	battery_quirk_notcharging = 1;
+	return 0;
+}
+
 static const struct dmi_system_id bat_dmi_table[] __initconst = {
 	{
 		/* NEC LZ750/LS */

@@ -1394,6 +1403,19 @@ static const struct dmi_system_id bat_dmi_table[] __initconst = {
 		  DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"),
 		},
 	},
+	{
+		/*
+		 * On Lenovo ThinkPads the BIOS specification defines
+		 * a state when the bits for charging and discharging
+		 * are both set to 0. That state is "Not Charging".
+		 */
+		.callback = battery_quirk_not_charging,
+		.ident = "Lenovo ThinkPad",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad"),
+		},
+	},
 	{},
 };
 

index 8f444b375761..e6e95e67c40e 100644
@@ -1002,7 +1002,7 @@ static DECLARE_DELAYED_WORK(fd_timer, fd_timer_workfn);
 static void cancel_activity(void)
 {
 	do_floppy = NULL;
-	cancel_delayed_work_sync(&fd_timer);
+	cancel_delayed_work(&fd_timer);
 	cancel_work_sync(&floppy_work);
 }
 

@@ -3123,6 +3123,8 @@ static void raw_cmd_free(struct floppy_raw_cmd **ptr)
 	}
 }
 
+#define MAX_LEN (1UL << MAX_ORDER << PAGE_SHIFT)
+
 static int raw_cmd_copyin(int cmd, void __user *param,
 				 struct floppy_raw_cmd **rcmd)
 {

@@ -3160,7 +3162,7 @@ static int raw_cmd_copyin(int cmd, void __user *param,
 	ptr->resultcode = 0;
 
 	if (ptr->flags & (FD_RAW_READ | FD_RAW_WRITE)) {
-		if (ptr->length <= 0)
+		if (ptr->length <= 0 || ptr->length >= MAX_LEN)
 			return -EINVAL;
 		ptr->kernel_data = (char *)fd_dma_mem_alloc(ptr->length);
 		fallback_on_nodma_alloc(&ptr->kernel_data, ptr->length);

index 0588639b899a..ef7ed471b641 100644
@@ -644,6 +644,9 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 	data->bulk_out_ep   = bulk_out_ep->desc.bEndpointAddress;
 	data->bulk_pkt_size = le16_to_cpu(bulk_out_ep->desc.wMaxPacketSize);
 
+	if (!data->bulk_pkt_size)
+		goto done;
+
 	rwlock_init(&data->lock);
 
 	data->reassembly = NULL;

index 3e386f68faa0..1a298f13bcc8 100644
@@ -1052,7 +1052,12 @@ static int bcm_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	dev->dev = &pdev->dev;
-	dev->irq = platform_get_irq(pdev, 0);
+
+	ret = platform_get_irq(pdev, 0);
+	if (ret < 0)
+		return ret;
+
+	dev->irq = ret;
 
 	if (has_acpi_companion(&pdev->dev)) {
 		ret = bcm_acpi_probe(dev);

index 9ccb6b270b07..95164246afd1 100644
@@ -68,7 +68,7 @@ typedef struct {
 	unsigned char ClockControl:1;	/* RW: Clock control: 0=normal, 1=stop 3780i clocks */
 	unsigned char SoftReset:1;	/* RW: Soft reset 0=normal, 1=soft reset active */
 	unsigned char ConfigMode:1;	/* RW: Configuration mode, 0=normal, 1=config mode */
-	unsigned char Reserved:5;	/* 0: Reserved */
+	unsigned short Reserved:13;	/* 0: Reserved */
 } DSP_ISA_SLAVE_CONTROL;
 
 

105 lines not on this page · raw message

index c9a5f34097df..c95ce9323d77 100644
@@ -874,7 +874,15 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq,
 	intmask |= TPM_INTF_CMD_READY_INT | TPM_INTF_LOCALITY_CHANGE_INT |
 		   TPM_INTF_DATA_AVAIL_INT | TPM_INTF_STS_VALID_INT;
 	intmask &= ~TPM_GLOBAL_INT_ENABLE;
+
+	rc = request_locality(chip, 0);
+	if (rc < 0) {
+		rc = -ENODEV;
+		goto out_err;
+	}
+
 	tpm_tis_write32(priv, TPM_INT_ENABLE(priv->locality), intmask);
+	release_locality(chip, 0);
 
 	rc = tpm2_probe(chip);
 	if (rc)

index e4fee233849d..fd78dd5356ed 100644
@@ -915,8 +915,7 @@ static int bcm2835_clock_is_on(struct clk_hw *hw)
 
 static u32 bcm2835_clock_choose_div(struct clk_hw *hw,
 				    unsigned long rate,
-				    unsigned long parent_rate,
-				    bool round_up)
+				    unsigned long parent_rate)
 {
 	struct bcm2835_clock *clock = bcm2835_clock_from_hw(hw);
 	const struct bcm2835_clock_data *data = clock->data;

@@ -928,10 +927,6 @@ static u32 bcm2835_clock_choose_div(struct clk_hw *hw,
 
 	rem = do_div(temp, rate);
 	div = temp;
-
-	/* Round up and mask off the unused bits */
-	if (round_up && ((div & unused_frac_mask) != 0 || rem != 0))
-		div += unused_frac_mask + 1;
 	div &= ~unused_frac_mask;
 
 	/* different clamping limits apply for a mash clock */

@@ -1062,7 +1057,7 @@ static int bcm2835_clock_set_rate(struct clk_hw *hw,
 	struct bcm2835_clock *clock = bcm2835_clock_from_hw(hw);
 	struct bcm2835_cprman *cprman = clock->cprman;
 	const struct bcm2835_clock_data *data = clock->data;
-	u32 div = bcm2835_clock_choose_div(hw, rate, parent_rate, false);
+	u32 div = bcm2835_clock_choose_div(hw, rate, parent_rate);
 	u32 ctl;
 
 	spin_lock(&cprman->regs_lock);

@@ -1113,7 +1108,7 @@ static unsigned long bcm2835_clock_choose_div_and_prate(struct clk_hw *hw,
 
 	if (!(BIT(parent_idx) & data->set_rate_parent)) {
 		*prate = clk_hw_get_rate(parent);
-		*div = bcm2835_clock_choose_div(hw, rate, *prate, true);
+		*div = bcm2835_clock_choose_div(hw, rate, *prate);
 
 		*avgrate = bcm2835_clock_rate_from_divisor(clock, *prate, *div);
 

@@ -1199,7 +1194,7 @@ static int bcm2835_clock_determine_rate(struct clk_hw *hw,
 		rate = bcm2835_clock_choose_div_and_prate(hw, i, req->rate,
 							  &div, &prate,
 							  &avgrate);
-		if (rate > best_rate && rate <= req->rate) {
+		if (abs(req->rate - rate) < abs(req->rate - best_rate)) {
 			best_parent = parent;
 			best_prate = prate;
 			best_rate = rate;

index d8a5db11b7ea..bffd4d15145d 100644
@@ -521,8 +521,8 @@ static int qce_ahash_register_one(const struct qce_ahash_def *def,
 
 	ret = crypto_register_ahash(alg);
 	if (ret) {
-		kfree(tmpl);
 		dev_err(qce->dev, "%s registration failed\n", base->cra_name);
+		kfree(tmpl);
 		return ret;
 	}
 

index 23b0b7bd64c7..b3b49dce1136 100644
@@ -2036,8 +2036,6 @@ static int stm32_cryp_probe(struct platform_device *pdev)
 	list_del(&cryp->list);
 	spin_unlock(&cryp_list.lock);
 
-	pm_runtime_disable(dev);
-	pm_runtime_put_noidle(dev);
 	pm_runtime_disable(dev);
 	pm_runtime_put_noidle(dev);
 

index 47d31335c2d4..6848f34a9e66 100644
@@ -230,7 +230,7 @@ static struct shash_alg algs[] = {
 		.digestsize     = CHKSUM_DIGEST_SIZE,
 		.base           = {
 			.cra_name               = "crc32",
-			.cra_driver_name        = DRIVER_NAME,
+			.cra_driver_name        = "stm32-crc32-crc32",
 			.cra_priority           = 200,
 			.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,
 			.cra_blocksize          = CHKSUM_BLOCK_SIZE,

@@ -252,7 +252,7 @@ static struct shash_alg algs[] = {
 		.digestsize     = CHKSUM_DIGEST_SIZE,
 		.base           = {
 			.cra_name               = "crc32c",
-			.cra_driver_name        = DRIVER_NAME,
+			.cra_driver_name        = "stm32-crc32-crc32c",
 			.cra_priority           = 200,
 			.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,
 			.cra_blocksize          = CHKSUM_BLOCK_SIZE,

index 1624eee76f96..04704c6376ba 100644
@@ -100,6 +100,7 @@
 #define		AT_XDMAC_CNDC_NDE		(0x1 << 0)		/* Channel x Next Descriptor Enable */
 #define		AT_XDMAC_CNDC_NDSUP		(0x1 << 1)		/* Channel x Next Descriptor Source Update */
 #define		AT_XDMAC_CNDC_NDDUP		(0x1 << 2)		/* Channel x Next Descriptor Destination Update */
+#define		AT_XDMAC_CNDC_NDVIEW_MASK	GENMASK(28, 27)
 #define		AT_XDMAC_CNDC_NDVIEW_NDV0	(0x0 << 3)		/* Channel x Next Descriptor View 0 */
 #define		AT_XDMAC_CNDC_NDVIEW_NDV1	(0x1 << 3)		/* Channel x Next Descriptor View 1 */
 #define		AT_XDMAC_CNDC_NDVIEW_NDV2	(0x2 << 3)		/* Channel x Next Descriptor View 2 */

@@ -231,15 +232,15 @@ struct at_xdmac {
 
 /* Linked List Descriptor */
 struct at_xdmac_lld {
-	dma_addr_t	mbr_nda;	/* Next Descriptor Member */
-	u32		mbr_ubc;	/* Microblock Control Member */
-	dma_addr_t	mbr_sa;		/* Source Address Member */
-	dma_addr_t	mbr_da;		/* Destination Address Member */
-	u32		mbr_cfg;	/* Configuration Register */
-	u32		mbr_bc;		/* Block Control Register */
-	u32		mbr_ds;		/* Data Stride Register */
-	u32		mbr_sus;	/* Source Microblock Stride Register */
-	u32		mbr_dus;	/* Destination Microblock Stride Register */
+	u32 mbr_nda;	/* Next Descriptor Member */
+	u32 mbr_ubc;	/* Microblock Control Member */
+	u32 mbr_sa;	/* Source Address Member */
+	u32 mbr_da;	/* Destination Address Member */
+	u32 mbr_cfg;	/* Configuration Register */
+	u32 mbr_bc;	/* Block Control Register */
+	u32 mbr_ds;	/* Data Stride Register */
+	u32 mbr_sus;	/* Source Microblock Stride Register */
+	u32 mbr_dus;	/* Destination Microblock Stride Register */
 };
 
 /* 64-bit alignment needed to update CNDA and CUBC registers in an atomic way. */

@@ -344,9 +345,6 @@ static void at_xdmac_start_xfer(struct at_xdmac_chan *atchan,
 
 	dev_vdbg(chan2dev(&atchan->chan), "%s: desc 0x%p\n", __func__, first);
 
-	if (at_xdmac_chan_is_enabled(atchan))
-		return;
-
 	/* Set transfer as active to not try to start it again. */
 	first->active_xfer = true;
 

@@ -362,7 +360,8 @@ static void at_xdmac_start_xfer(struct at_xdmac_chan *atchan,
 	 */
 	if (at_xdmac_chan_is_cyclic(atchan))
 		reg = AT_XDMAC_CNDC_NDVIEW_NDV1;
-	else if (first->lld.mbr_ubc & AT_XDMAC_MBR_UBC_NDV3)
+	else if ((first->lld.mbr_ubc &
+		  AT_XDMAC_CNDC_NDVIEW_MASK) == AT_XDMAC_MBR_UBC_NDV3)
 		reg = AT_XDMAC_CNDC_NDVIEW_NDV3;
 	else
 		reg = AT_XDMAC_CNDC_NDVIEW_NDV2;

@@ -427,13 +426,12 @@ static dma_cookie_t at_xdmac_tx_submit(struct dma_async_tx_descriptor *tx)
 	spin_lock_irqsave(&atchan->lock, irqflags);
 	cookie = dma_cookie_assign(tx);
 
+	list_add_tail(&desc->xfer_node, &atchan->xfers_list);
+	spin_unlock_irqrestore(&atchan->lock, irqflags);
+
 	dev_vdbg(chan2dev(tx->chan), "%s: atchan 0x%p, add desc 0x%p to xfers_list\n",
 		 __func__, atchan, desc);
-	list_add_tail(&desc->xfer_node, &atchan->xfers_list);
-	if (list_is_singular(&atchan->xfers_list))
-		at_xdmac_start_xfer(atchan, desc);
 
-	spin_unlock_irqrestore(&atchan->lock, irqflags);
 	return cookie;
 }
 

index eb3a1f42ab06..e8b2d3e31de8 100644
@@ -722,12 +722,6 @@ static int mmp_pdma_config(struct dma_chan *dchan,
 
 	chan->dir = cfg->direction;
 	chan->dev_addr = addr;
-	/* FIXME: drivers should be ported over to use the filter
-	 * function. Once that's done, the following two lines can
-	 * be removed.
-	 */
-	if (cfg->slave_id)
-		chan->drcmr = cfg->slave_id;
 
 	return 0;
 }

index b31c28b67ad3..c54986902b9d 100644
@@ -960,13 +960,6 @@ static void pxad_get_config(struct pxad_chan *chan,
 		*dcmd |= PXA_DCMD_BURST16;
 	else if (maxburst == 32)
 		*dcmd |= PXA_DCMD_BURST32;
-
-	/* FIXME: drivers should be ported over to use the filter
-	 * function. Once that's done, the following two lines can
-	 * be removed.
-	 */
-	if (chan->cfg.slave_id)
-		chan->drcmr = chan->cfg.slave_id;
 }
 
 static struct dma_async_tx_descriptor *

index 9c6867916e89..8585fed84e83 100644
@@ -194,7 +194,7 @@
 #define STM32_MDMA_CTBR(x)		(0x68 + 0x40 * (x))
 #define STM32_MDMA_CTBR_DBUS		BIT(17)
 #define STM32_MDMA_CTBR_SBUS		BIT(16)
-#define STM32_MDMA_CTBR_TSEL_MASK	GENMASK(7, 0)
+#define STM32_MDMA_CTBR_TSEL_MASK	GENMASK(5, 0)
 #define STM32_MDMA_CTBR_TSEL(n)		STM32_MDMA_SET(n, \
 						      STM32_MDMA_CTBR_TSEL_MASK)
 

index 59db70fb4561..314b9bb78e43 100644
@@ -385,9 +385,7 @@ static void fw_cfg_sysfs_cache_cleanup(void)
 	struct fw_cfg_sysfs_entry *entry, *next;
 
 	list_for_each_entry_safe(entry, next, &fw_cfg_entry_cache, list) {
-		/* will end up invoking fw_cfg_sysfs_cache_delist()
-		 * via each object's release() method (i.e. destructor)
-		 */
+		fw_cfg_sysfs_cache_delist(entry);
 		kobject_put(&entry->kobj);
 	}
 }

@@ -445,7 +443,6 @@ static void fw_cfg_sysfs_release_entry(struct kobject *kobj)
 {
 	struct fw_cfg_sysfs_entry *entry = to_entry(kobj);
 
-	fw_cfg_sysfs_cache_delist(entry);
 	kfree(entry);
 }
 

@@ -598,20 +595,18 @@ static int fw_cfg_register_file(const struct fw_cfg_file *f)
 	/* set file entry information */
 	entry->size = be32_to_cpu(f->size);
 	entry->select = be16_to_cpu(f->select);
-	memcpy(entry->name, f->name, FW_CFG_MAX_FILE_PATH);
+	strscpy(entry->name, f->name, FW_CFG_MAX_FILE_PATH);
 
 	/* register entry under "/sys/firmware/qemu_fw_cfg/by_key/" */
 	err = kobject_init_and_add(&entry->kobj, &fw_cfg_sysfs_entry_ktype,
 				   fw_cfg_sel_ko, "%d", entry->select);
-	if (err) {
-		kobject_put(&entry->kobj);
-		return err;
-	}
+	if (err)
+		goto err_put_entry;
 
 	/* add raw binary content access */
 	err = sysfs_create_bin_file(&entry->kobj, &fw_cfg_sysfs_attr_raw);
 	if (err)
-		goto err_add_raw;
+		goto err_del_entry;
 
 	/* try adding "/sys/firmware/qemu_fw_cfg/by_name/" symlink */
 	fw_cfg_build_symlink(fw_cfg_fname_kset, &entry->kobj, entry->name);

@@ -620,9 +615,10 @@ static int fw_cfg_register_file(const struct fw_cfg_file *f)
 	fw_cfg_sysfs_cache_enlist(entry);
 	return 0;
 
-err_add_raw:
+err_del_entry:
 	kobject_del(&entry->kobj);
-	kfree(entry);
+err_put_entry:
+	kobject_put(&entry->kobj);
 	return err;
 }
 

index b018909a4e46..47cdc1f89e3f 100644
@@ -904,10 +904,17 @@ int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
 			irq_flags = acpi_dev_get_irq_type(info.triggering,
 							  info.polarity);
 
-			/* Set type if specified and different than the current one */
-			if (irq_flags != IRQ_TYPE_NONE &&
-			    irq_flags != irq_get_trigger_type(irq))
-				irq_set_irq_type(irq, irq_flags);
+			/*
+			 * If the IRQ is not already in use then set type
+			 * if specified and different than the current one.
+			 */
+			if (can_request_irq(irq, irq_flags)) {
+				if (irq_flags != IRQ_TYPE_NONE &&
+				    irq_flags != irq_get_trigger_type(irq))
+					irq_set_irq_type(irq, irq_flags);
+			} else {
+				dev_dbg(&adev->dev, "IRQ %d already in use\n", irq);
+			}
 
 			return irq;
 		}

index e1be3fd4d7a4..3e4305c3c983 100644
@@ -388,6 +388,9 @@ amdgpu_connector_lcd_native_mode(struct drm_encoder *encoder)
 	    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);
 

@@ -402,6 +405,9 @@ amdgpu_connector_lcd_native_mode(struct drm_encoder *encoder)
 		 * 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 1a744f964b30..358004a4650b 100644
@@ -520,10 +520,10 @@ static void gmc_v8_0_mc_program(struct amdgpu_device *adev)
 static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
 {
 	int r;
+	u32 tmp;
 
 	adev->gmc.vram_width = amdgpu_atombios_get_vram_width(adev);
 	if (!adev->gmc.vram_width) {
-		u32 tmp;
 		int chansize, numchan;
 
 		/* Get VRAM informations */

@@ -567,8 +567,15 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
 		adev->gmc.vram_width = numchan * chansize;
 	}
 	/* size in MB on si */
-	adev->gmc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
-	adev->gmc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
+	tmp = RREG32(mmCONFIG_MEMSIZE);
+	/* some boards may have garbage in the upper 16 bits */
+	if (tmp & 0xffff0000) {
+		DRM_INFO("Probable bad vram size: 0x%08x\n", tmp);
+		if (tmp & 0xffff)
+			tmp &= 0xffff;
+	}
+	adev->gmc.mc_vram_size = tmp * 1024ULL * 1024ULL;
+	adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
 
 	if (!(adev->flags & AMD_IS_APU)) {
 		r = amdgpu_device_resize_fb_bar(adev);

index dcf091f9d843..a8d776edccc1 100644
@@ -302,19 +302,10 @@ static void ge_b850v3_lvds_remove(void)
 	mutex_unlock(&ge_b850v3_lvds_dev_mutex);
 }
 
-static int stdp4028_ge_b850v3_fw_probe(struct i2c_client *stdp4028_i2c,
-				       const struct i2c_device_id *id)
+static int ge_b850v3_register(void)
 {
+	struct i2c_client *stdp4028_i2c = ge_b850v3_lvds_ptr->stdp4028_i2c;
 	struct device *dev = &stdp4028_i2c->dev;
-	int ret;
-
-	ret = ge_b850v3_lvds_init(dev);
-
-	if (ret)
-		return ret;
-
-	ge_b850v3_lvds_ptr->stdp4028_i2c = stdp4028_i2c;
-	i2c_set_clientdata(stdp4028_i2c, ge_b850v3_lvds_ptr);
 
 	/* drm bridge initialization */
 	ge_b850v3_lvds_ptr->bridge.funcs = &ge_b850v3_lvds_funcs;

@@ -336,6 +327,27 @@ static int stdp4028_ge_b850v3_fw_probe(struct i2c_client *stdp4028_i2c,
 			"ge-b850v3-lvds-dp", ge_b850v3_lvds_ptr);
 }
 
+static int stdp4028_ge_b850v3_fw_probe(struct i2c_client *stdp4028_i2c,
+				       const struct i2c_device_id *id)
+{
+	struct device *dev = &stdp4028_i2c->dev;
+	int ret;
+
+	ret = ge_b850v3_lvds_init(dev);
+
+	if (ret)
+		return ret;
+
+	ge_b850v3_lvds_ptr->stdp4028_i2c = stdp4028_i2c;
+	i2c_set_clientdata(stdp4028_i2c, ge_b850v3_lvds_ptr);
+
+	/* Only register after both bridges are probed */
+	if (!ge_b850v3_lvds_ptr->stdp2690_i2c)
+		return 0;
+
+	return ge_b850v3_register();
+}
+
 static int stdp4028_ge_b850v3_fw_remove(struct i2c_client *stdp4028_i2c)
 {
 	ge_b850v3_lvds_remove();

@@ -379,7 +391,11 @@ static int stdp2690_ge_b850v3_fw_probe(struct i2c_client *stdp2690_i2c,
 	ge_b850v3_lvds_ptr->stdp2690_i2c = stdp2690_i2c;
 	i2c_set_clientdata(stdp2690_i2c, ge_b850v3_lvds_ptr);
 
-	return 0;
+	/* Only register after both bridges are probed */
+	if (!ge_b850v3_lvds_ptr->stdp4028_i2c)
+		return 0;
+
+	return ge_b850v3_register();
 }
 
 static int stdp2690_ge_b850v3_fw_remove(struct i2c_client *stdp2690_i2c)

index 983e67f19e45..2b57a581b29e 100644
@@ -444,6 +444,12 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 
+	if (args->stream_size > SZ_64K || args->nr_relocs > SZ_64K ||
+	    args->nr_bos > SZ_64K || args->nr_pmrs > 128) {
+		DRM_ERROR("submit arguments out of size limits\n");
+		return -EINVAL;
+	}
+
 	/*
 	 * Copy the command submission and bo array to kernel space in
 	 * one go, and do this outside of any locks.

index aa8d2aca0f02..1847faa45d37 100644
@@ -3002,9 +3002,9 @@ static void snb_wm_latency_quirk(struct drm_i915_private *dev_priv)
 	 * The BIOS provided WM memory latency values are often
 	 * inadequate for high resolution displays. Adjust them.
 	 */
-	changed = ilk_increase_wm_latency(dev_priv, dev_priv->wm.pri_latency, 12) |
-		ilk_increase_wm_latency(dev_priv, dev_priv->wm.spr_latency, 12) |
-		ilk_increase_wm_latency(dev_priv, dev_priv->wm.cur_latency, 12);
+	changed = ilk_increase_wm_latency(dev_priv, dev_priv->wm.pri_latency, 12);
+	changed |= ilk_increase_wm_latency(dev_priv, dev_priv->wm.spr_latency, 12);
+	changed |= ilk_increase_wm_latency(dev_priv, dev_priv->wm.cur_latency, 12);
 
 	if (!changed)
 		return;

index 2d9b7b5fb49c..52474dcd2573 100644
@@ -97,8 +97,8 @@ static int _dpu_danger_signal_status(struct seq_file *s,
 					&status);
 	} else {
 		seq_puts(s, "\nSafe signal status:\n");
-		if (kms->hw_mdp->ops.get_danger_status)
-			kms->hw_mdp->ops.get_danger_status(kms->hw_mdp,
+		if (kms->hw_mdp->ops.get_safe_status)
+			kms->hw_mdp->ops.get_safe_status(kms->hw_mdp,
 					&status);
 	}
 	pm_runtime_put_sync(&kms->pdev->dev);

index ce70a193caa7..8cf3d1b4662d 100644
@@ -70,20 +70,13 @@ nvkm_pmu_fini(struct nvkm_subdev *subdev, bool suspend)
 	return 0;
 }
 
-static int
+static void
 nvkm_pmu_reset(struct nvkm_pmu *pmu)
 {
 	struct nvkm_device *device = pmu->subdev.device;
 
 	if (!pmu->func->enabled(pmu))
-		return 0;
-
-	/* Inhibit interrupts, and wait for idle. */
-	nvkm_wr32(device, 0x10a014, 0x0000ffff);
-	nvkm_msec(device, 2000,
-		if (!nvkm_rd32(device, 0x10a04c))
-			break;
-	);
+		return;
 
 	/* Reset. */
 	if (pmu->func->reset)

@@ -94,25 +87,37 @@ nvkm_pmu_reset(struct nvkm_pmu *pmu)
 		if (!(nvkm_rd32(device, 0x10a10c) & 0x00000006))
 			break;
 	);
-
-	return 0;
 }
 
 static int
 nvkm_pmu_preinit(struct nvkm_subdev *subdev)
 {
 	struct nvkm_pmu *pmu = nvkm_pmu(subdev);
-	return nvkm_pmu_reset(pmu);
+	nvkm_pmu_reset(pmu);
+	return 0;
 }
 
 static int
 nvkm_pmu_init(struct nvkm_subdev *subdev)
 {
 	struct nvkm_pmu *pmu = nvkm_pmu(subdev);
-	int ret = nvkm_pmu_reset(pmu);
-	if (ret == 0 && pmu->func->init)
-		ret = pmu->func->init(pmu);
-	return ret;
+	struct nvkm_device *device = pmu->subdev.device;
+
+	if (!pmu->func->init)
+		return 0;
+
+	if (pmu->func->enabled(pmu)) {
+		/* Inhibit interrupts, and wait for idle. */
+		nvkm_wr32(device, 0x10a014, 0x0000ffff);
+		nvkm_msec(device, 2000,
+			if (!nvkm_rd32(device, 0x10a04c))
+				break;
+		);
+
+		nvkm_pmu_reset(pmu);
+	}
+
+	return pmu->func->init(pmu);
 }
 
 static int

index 88c7d035ace6..362ff5555d2e 100644
@@ -512,6 +512,7 @@ static void innolux_panel_del(struct innolux_panel *innolux)
 static int innolux_panel_probe(struct mipi_dsi_device *dsi)
 {
 	const struct panel_desc *desc;
+	struct innolux_panel *innolux;
 	int err;
 
 	desc = of_device_get_match_data(&dsi->dev);

@@ -523,7 +524,14 @@ static int innolux_panel_probe(struct mipi_dsi_device *dsi)
 	if (err < 0)
 		return err;
 
-	return mipi_dsi_attach(dsi);
+	err = mipi_dsi_attach(dsi);
+	if (err < 0) {
+		innolux = mipi_dsi_get_drvdata(dsi);
+		innolux_panel_del(innolux);
+		return err;
+	}
+
+	return 0;
 }
 
 static int innolux_panel_remove(struct mipi_dsi_device *dsi)

78 lines not on this page · raw message

index 4e3dd3f55a96..80ecbf14d3c8 100644
@@ -392,7 +392,7 @@ static int apple_input_configured(struct hid_device *hdev,
 
 	if ((asc->quirks & APPLE_HAS_FN) && !asc->fn_found) {
 		hid_info(hdev, "Fn key not found (Apple Wireless Keyboard clone?), disabling Fn key handling\n");
-		asc->quirks = 0;
+		asc->quirks &= ~APPLE_HAS_FN;
 	}
 
 	return 0;

index d56ef395eb69..dd3f4aa05298 100644
@@ -1246,6 +1246,12 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
 
 	input = field->hidinput->input;
 
+	if (usage->type == EV_ABS &&
+	    (((*quirks & HID_QUIRK_X_INVERT) && usage->code == ABS_X) ||
+	     ((*quirks & HID_QUIRK_Y_INVERT) && usage->code == ABS_Y))) {
+		value = field->logical_maximum - value;
+	}
+
 	if (usage->hat_min < usage->hat_max || usage->hat_dir) {
 		int hat_dir = usage->hat_dir;
 		if (!hat_dir)

index 29e63330c1b5..e128b9ce156d 100644
@@ -31,11 +31,22 @@
 
 struct uhid_device {
 	struct mutex devlock;
+
+	/* This flag tracks whether the HID device is usable for commands from
+	 * userspace. The flag is already set before hid_add_device(), which
+	 * runs in workqueue context, to allow hid_add_device() to communicate
+	 * with userspace.
+	 * However, if hid_add_device() fails, the flag is cleared without
+	 * holding devlock.
+	 * We guarantee that if @running changes from true to false while you're
+	 * holding @devlock, it's still fine to access @hid.
+	 */
 	bool running;
 
 	__u8 *rd_data;
 	uint rd_size;
 
+	/* When this is NULL, userspace may use UHID_CREATE/UHID_CREATE2. */
 	struct hid_device *hid;
 	struct uhid_event input_buf;
 

@@ -66,9 +77,18 @@ static void uhid_device_add_worker(struct work_struct *work)
 	if (ret) {
 		hid_err(uhid->hid, "Cannot register HID device: error %d\n", ret);
 
-		hid_destroy_device(uhid->hid);
-		uhid->hid = NULL;
+		/* We used to call hid_destroy_device() here, but that's really
+		 * messy to get right because we have to coordinate with
+		 * concurrent writes from userspace that might be in the middle
+		 * of using uhid->hid.
+		 * Just leave uhid->hid as-is for now, and clean it up when
+		 * userspace tries to close or reinitialize the uhid instance.
+		 *
+		 * However, we do have to clear the ->running flag and do a
+		 * wakeup to make sure userspace knows that the device is gone.
+		 */
 		uhid->running = false;
+		wake_up_interruptible(&uhid->report_wait);
 	}
 }
 

@@ -477,7 +497,7 @@ static int uhid_dev_create2(struct uhid_device *uhid,
 	void *rd_data;
 	int ret;
 
-	if (uhid->running)
+	if (uhid->hid)
 		return -EALREADY;
 
 	rd_size = ev->u.create2.rd_size;

@@ -559,7 +579,7 @@ static int uhid_dev_create(struct uhid_device *uhid,
 
 static int uhid_dev_destroy(struct uhid_device *uhid)
 {
-	if (!uhid->running)
+	if (!uhid->hid)
 		return -EINVAL;
 
 	uhid->running = false;

@@ -568,6 +588,7 @@ static int uhid_dev_destroy(struct uhid_device *uhid)
 	cancel_work_sync(&uhid->worker);
 
 	hid_destroy_device(uhid->hid);
+	uhid->hid = NULL;
 	kfree(uhid->rd_data);
 
 	return 0;

index f22f59df0260..254afea67cf3 100644
@@ -2529,6 +2529,24 @@ static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
 	}
 }
 
+static bool wacom_wac_slot_is_active(struct input_dev *dev, int key)
+{
+	struct input_mt *mt = dev->mt;
+	struct input_mt_slot *s;
+
+	if (!mt)
+		return false;
+
+	for (s = mt->slots; s != mt->slots + mt->num_slots; s++) {
+		if (s->key == key &&
+			input_mt_get_value(s, ABS_MT_TRACKING_ID) >= 0) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
 static void wacom_wac_finger_event(struct hid_device *hdev,
 		struct hid_field *field, struct hid_usage *usage, __s32 value)
 {

@@ -2571,9 +2589,14 @@ static void wacom_wac_finger_event(struct hid_device *hdev,
 
 
 	if (usage->usage_index + 1 == field->report_count) {
-		if (equivalent_usage == wacom_wac->hid_data.last_slot_field &&
-		    wacom_wac->hid_data.confidence)
-			wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
+		if (equivalent_usage == wacom_wac->hid_data.last_slot_field) {
+			bool touch_removed = wacom_wac_slot_is_active(wacom_wac->touch_input,
+				wacom_wac->hid_data.id) && !wacom_wac->hid_data.tipswitch;
+
+			if (wacom_wac->hid_data.confidence || touch_removed) {
+				wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
+			}
+		}
 	}
 }
 

@@ -2587,6 +2610,10 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev,
 
 	hid_data->confidence = true;
 
+	hid_data->cc_report = 0;
+	hid_data->cc_index = -1;
+	hid_data->cc_value_index = -1;
+
 	for (i = 0; i < report->maxfield; i++) {
 		struct hid_field *field = report->field[i];
 		int j;

@@ -2620,11 +2647,14 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev,
 	    hid_data->cc_index >= 0) {
 		struct hid_field *field = report->field[hid_data->cc_index];
 		int value = field->value[hid_data->cc_value_index];
-		if (value)
+		if (value) {
 			hid_data->num_expected = value;
+			hid_data->num_received = 0;
+		}
 	}
 	else {
 		hid_data->num_expected = wacom_wac->features.touch_max;
+		hid_data->num_received = 0;
 	}
 }
 

@@ -2648,6 +2678,7 @@ static void wacom_wac_finger_report(struct hid_device *hdev,
 
 	input_sync(input);
 	wacom_wac->hid_data.num_received = 0;
+	wacom_wac->hid_data.num_expected = 0;
 
 	/* keep touch state for pen event */
 	wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);

index 71895da63810..daf2de837a30 100644
@@ -115,6 +115,7 @@ struct hsi_client *hsi_new_client(struct hsi_port *port,
 	if (device_register(&cl->device) < 0) {
 		pr_err("hsi: failed to register client: %s\n", info->name);
 		put_device(&cl->device);
+		goto err;
 	}
 
 	return cl;

index d50f80487214..4e6b3fb01c7a 100644
@@ -36,10 +36,10 @@ enum dw_pci_ctl_id_t {
 };
 
 struct dw_scl_sda_cfg {
-	u32 ss_hcnt;
-	u32 fs_hcnt;
-	u32 ss_lcnt;
-	u32 fs_lcnt;
+	u16 ss_hcnt;
+	u16 fs_hcnt;
+	u16 ss_lcnt;
+	u16 fs_lcnt;
 	u32 sda_hold;
 };
 

index efafd028c5d1..fb0ddaad87d2 100644
@@ -774,6 +774,11 @@ static int i801_block_transaction(struct i801_priv *priv,
 	int result = 0;
 	unsigned char hostc;
 
+	if (read_write == I2C_SMBUS_READ && command == I2C_SMBUS_BLOCK_DATA)
+		data->block[0] = I2C_SMBUS_BLOCK_MAX;
+	else if (data->block[0] < 1 || data->block[0] > I2C_SMBUS_BLOCK_MAX)
+		return -EPROTO;
+
 	if (command == I2C_SMBUS_I2C_BLOCK_DATA) {
 		if (read_write == I2C_SMBUS_WRITE) {
 			/* set I2C_EN bit in configuration register */

@@ -787,16 +792,6 @@ static int i801_block_transaction(struct i801_priv *priv,
 		}
 	}
 
-	if (read_write == I2C_SMBUS_WRITE
-	 || command == I2C_SMBUS_I2C_BLOCK_DATA) {
-		if (data->block[0] < 1)
-			data->block[0] = 1;
-		if (data->block[0] > I2C_SMBUS_BLOCK_MAX)
-			data->block[0] = I2C_SMBUS_BLOCK_MAX;
-	} else {
-		data->block[0] = 32;	/* max for SMBus block reads */
-	}
-
 	/* Experience has shown that the block buffer can only be used for
 	   SMBus (not I2C) block transactions, even though the datasheet
 	   doesn't mention this limitation. */

index af349661fd76..8de8296d2583 100644
@@ -105,23 +105,30 @@ static irqreturn_t mpc_i2c_isr(int irq, void *dev_id)
 /* Sometimes 9th clock pulse isn't generated, and slave doesn't release
  * the bus, because it wants to send ACK.
  * Following sequence of enabling/disabling and sending start/stop generates
- * the 9 pulses, so it's all OK.
+ * the 9 pulses, each with a START then ending with STOP, so it's all OK.
  */
 static void mpc_i2c_fixup(struct mpc_i2c *i2c)
 {
 	int k;
-	u32 delay_val = 1000000 / i2c->real_clk + 1;
-
-	if (delay_val < 2)
-		delay_val = 2;
+	unsigned long flags;
 
 	for (k = 9; k; k--) {
 		writeccr(i2c, 0);
-		writeccr(i2c, CCR_MSTA | CCR_MTX | CCR_MEN);
+		writeb(0, i2c->base + MPC_I2C_SR); /* clear any status bits */
+		writeccr(i2c, CCR_MEN | CCR_MSTA); /* START */
+		readb(i2c->base + MPC_I2C_DR); /* init xfer */
+		udelay(15); /* let it hit the bus */
+		local_irq_save(flags); /* should not be delayed further */
+		writeccr(i2c, CCR_MEN | CCR_MSTA | CCR_RSTA); /* delay SDA */
 		readb(i2c->base + MPC_I2C_DR);
-		writeccr(i2c, CCR_MEN);
-		udelay(delay_val << 1);
+		if (k != 1)
+			udelay(5);
+		local_irq_restore(flags);
 	}
+	writeccr(i2c, CCR_MEN); /* Initiate STOP */
+	readb(i2c->base + MPC_I2C_DR);
+	udelay(15); /* Let STOP propagate */
+	writeccr(i2c, 0);
 }
 
 static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing)

index 6a585c3e2192..ffd0f43e2129 100644
@@ -1039,7 +1039,8 @@ int ib_find_gid(struct ib_device *device, union ib_gid *gid,
 		for (i = 0; i < device->port_immutable[port].gid_tbl_len; ++i) {
 			ret = rdma_query_gid(device, port, i, &tmp_gid);
 			if (ret)
-				return ret;
+				continue;
+
 			if (!memcmp(&tmp_gid, gid, sizeof *gid)) {
 				*port_num = port;
 				if (index)

index 20e3128f59b1..aa48627fc0bf 100644
@@ -2483,6 +2483,7 @@ int c4iw_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 	memset(attr, 0, sizeof *attr);
 	memset(init_attr, 0, sizeof *init_attr);
 	attr->qp_state = to_ib_qp_state(qhp->attr.state);
+	attr->cur_qp_state = to_ib_qp_state(qhp->attr.state);
 	init_attr->cap.max_send_wr = qhp->attr.sq_num_entries;
 	init_attr->cap.max_recv_wr = qhp->attr.rq_num_entries;
 	init_attr->cap.max_send_sge = qhp->attr.sq_max_sges;

index c5cae9a38c04..456c622d7c5c 100644
@@ -295,6 +295,9 @@ static enum rdma_link_layer hns_roce_get_link_layer(struct ib_device *device,
 static int hns_roce_query_pkey(struct ib_device *ib_dev, u8 port, u16 index,
 			       u16 *pkey)
 {
+	if (index > 0)
+		return -EINVAL;
+
 	*pkey = PKEY_ID;
 
 	return 0;

@@ -429,7 +432,7 @@ static int hns_roce_mmap(struct ib_ucontext *context,
 		return -EINVAL;
 
 	if (vma->vm_pgoff == 0) {
-		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+		vma->vm_page_prot = pgprot_device(vma->vm_page_prot);
 		if (io_remap_pfn_range(vma, vma->vm_start,
 				       to_hr_ucontext(context)->uar.pfn,
 				       PAGE_SIZE, vma->vm_page_prot))

index 4cf11063e0b5..0f166d6d0ccb 100644
@@ -137,7 +137,7 @@ struct rxe_opcode_info rxe_opcode[RXE_NUM_OPCODE] = {
 		}
 	},
 	[IB_OPCODE_RC_SEND_MIDDLE]		= {
-		.name	= "IB_OPCODE_RC_SEND_MIDDLE]",
+		.name	= "IB_OPCODE_RC_SEND_MIDDLE",
 		.mask	= RXE_PAYLOAD_MASK | RXE_REQ_MASK | RXE_SEND_MASK
 				| RXE_MIDDLE_MASK,
 		.length = RXE_BTH_BYTES,

index 2f79efd16a05..4bd2dd70acae 100644
@@ -346,11 +346,12 @@ static int arm_lpae_init_pte(struct arm_lpae_io_pgtable *data,
 static arm_lpae_iopte arm_lpae_install_table(arm_lpae_iopte *table,
 					     arm_lpae_iopte *ptep,
 					     arm_lpae_iopte curr,
-					     struct io_pgtable_cfg *cfg)
+					     struct arm_lpae_io_pgtable *data)
 {
 	arm_lpae_iopte old, new;
+	struct io_pgtable_cfg *cfg = &data->iop.cfg;
 
-	new = __pa(table) | ARM_LPAE_PTE_TYPE_TABLE;
+	new = paddr_to_iopte(__pa(table), data) | ARM_LPAE_PTE_TYPE_TABLE;
 	if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_NS)
 		new |= ARM_LPAE_PTE_NSTABLE;
 

@@ -402,7 +403,7 @@ static int __arm_lpae_map(struct arm_lpae_io_pgtable *data, unsigned long iova,
 		if (!cptep)
 			return -ENOMEM;
 
-		pte = arm_lpae_install_table(cptep, ptep, 0, cfg);
+		pte = arm_lpae_install_table(cptep, ptep, 0, data);
 		if (pte)
 			__arm_lpae_free_pages(cptep, tblsz, cfg);
 	} else if (!(cfg->quirks & IO_PGTABLE_QUIRK_NO_DMA) &&

@@ -562,7 +563,7 @@ static size_t arm_lpae_split_blk_unmap(struct arm_lpae_io_pgtable *data,
 		__arm_lpae_init_pte(data, blk_paddr, pte, lvl, &tablep[i]);
 	}
 
-	pte = arm_lpae_install_table(tablep, ptep, blk_pte, cfg);
+	pte = arm_lpae_install_table(tablep, ptep, blk_pte, data);
 	if (pte != blk_pte) {
 		__arm_lpae_free_pages(tablep, tablesz, cfg);
 		/*

index ce5cd05253db..fdd68d8e8adc 100644
@@ -75,8 +75,7 @@ static void free_iova_flush_queue(struct iova_domain *iovad)
 	if (!has_iova_flush_queue(iovad))
 		return;
 
-	if (timer_pending(&iovad->fq_timer))
-		del_timer(&iovad->fq_timer);
+	del_timer_sync(&iovad->fq_timer);
 
 	fq_destroy_all_entries(iovad);
 

index 8aae0624a297..6383afb88f31 100644
@@ -83,14 +83,16 @@ void inc_children(struct dm_transaction_manager *tm, struct btree_node *n,
 }
 
 static int insert_at(size_t value_size, struct btree_node *node, unsigned index,
-		      uint64_t key, void *value)
-		      __dm_written_to_disk(value)
+		     uint64_t key, void *value)
+	__dm_written_to_disk(value)
 {
 	uint32_t nr_entries = le32_to_cpu(node->header.nr_entries);
+	uint32_t max_entries = le32_to_cpu(node->header.max_entries);
 	__le64 key_le = cpu_to_le64(key);
 
 	if (index > nr_entries ||
-	    index >= le32_to_cpu(node->header.max_entries)) {
+	    index >= max_entries ||
+	    nr_entries >= max_entries) {
 		DMERR("too many entries in btree node for insert");
 		__dm_unbless_for_disk(value);
 		return -ENOMEM;

index a284762e548e..5115a2719603 100644
@@ -279,6 +279,11 @@ int sm_ll_lookup_bitmap(struct ll_disk *ll, dm_block_t b, uint32_t *result)
 	struct disk_index_entry ie_disk;
 	struct dm_block *blk;
 
+	if (b >= ll->nr_blocks) {
+		DMERR_LIMIT("metadata block out of bounds");
+		return -EINVAL;
+	}
+
 	b = do_div(index, ll->entries_per_block);
 	r = ll->load_ie(ll, index, &ie_disk);
 	if (r < 0)

index d4987fd05d05..d91bd32bd1f0 100644
@@ -524,7 +524,7 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
 		ERR("out of memory. aborting.\n");
 		kfree(vv);
 		v4l2_ctrl_handler_free(hdl);
-		return -1;
+		return -ENOMEM;
 	}
 
 	saa7146_video_uops.init(dev,vv);

index aff0ab7bf83d..bbd5716d4c9c 100644
@@ -154,7 +154,7 @@ static void *vb2_dc_alloc(struct device *dev, unsigned long attrs,
 	buf->cookie = dma_alloc_attrs(dev, size, &buf->dma_addr,
 					GFP_KERNEL | gfp_flags, buf->attrs);
 	if (!buf->cookie) {
-		dev_err(dev, "dma_alloc_coherent of size %ld failed\n", size);
+		dev_err(dev, "dma_alloc_coherent of size %lu failed\n", size);
 		kfree(buf);
 		return ERR_PTR(-ENOMEM);
 	}

@@ -206,9 +206,9 @@ static int vb2_dc_mmap(void *buf_priv, struct vm_area_struct *vma)
 
 	vma->vm_ops->open(vma);
 
-	pr_debug("%s: mapped dma addr 0x%08lx at 0x%08lx, size %ld\n",
-		__func__, (unsigned long)buf->dma_addr, vma->vm_start,
-		buf->size);
+	pr_debug("%s: mapped dma addr 0x%08lx at 0x%08lx, size %lu\n",
+		 __func__, (unsigned long)buf->dma_addr, vma->vm_start,
+		 buf->size);
 
 	return 0;
 }

index d548f98c7a67..9e0ef3934fa3 100644
@@ -1412,7 +1412,7 @@ static const struct dvb_device dvbdev_dvr = {
 };
 int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *dvb_adapter)
 {
-	int i;
+	int i, ret;
 
 	if (dmxdev->demux->open(dmxdev->demux) < 0)
 		return -EUSERS;

@@ -1431,14 +1431,26 @@ int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *dvb_adapter)
 					    DMXDEV_STATE_FREE);
 	}
 
-	dvb_register_device(dvb_adapter, &dmxdev->dvbdev, &dvbdev_demux, dmxdev,
+	ret = dvb_register_device(dvb_adapter, &dmxdev->dvbdev, &dvbdev_demux, dmxdev,
 			    DVB_DEVICE_DEMUX, dmxdev->filternum);
-	dvb_register_device(dvb_adapter, &dmxdev->dvr_dvbdev, &dvbdev_dvr,
+	if (ret < 0)
+		goto err_register_dvbdev;
+
+	ret = dvb_register_device(dvb_adapter, &dmxdev->dvr_dvbdev, &dvbdev_dvr,
 			    dmxdev, DVB_DEVICE_DVR, dmxdev->filternum);
+	if (ret < 0)
+		goto err_register_dvr_dvbdev;
 
 	dvb_ringbuffer_init(&dmxdev->dvr_buffer, NULL, 8192);
 
 	return 0;
+
+err_register_dvr_dvbdev:
+	dvb_unregister_device(dmxdev->dvbdev);
+err_register_dvbdev:
+	vfree(dmxdev->filter);
+	dmxdev->filter = NULL;
+	return ret;
 }
 
 EXPORT_SYMBOL(dvb_dmxdev_init);

index 5fa787e023c7..4b9e4afa4c61 100644
@@ -4476,8 +4476,10 @@ static struct dvb_frontend *dib8000_init(struct i2c_adapter *i2c_adap, u8 i2c_ad
 
 	state->timf_default = cfg->pll->timf;
 
-	if (dib8000_identify(&state->i2c) == 0)
+	if (dib8000_identify(&state->i2c) == 0) {
+		kfree(fe);
 		goto error;
+	}
 
 	dibx000_init_i2c_master(&state->i2c_master, DIB8000, state->i2c.adap, state->i2c.addr);
 

index cc6527e35537..b7d8e34ffd5d 100644
@@ -184,6 +184,8 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id)
 		dma_addr_t cur_addr =
 			fc->read_ibi_reg(fc,dma1_008).dma_0x8.dma_cur_addr << 2;
 		u32 cur_pos = cur_addr - fc_pci->dma[0].dma_addr0;
+		if (cur_pos > fc_pci->dma[0].size * 2)
+			goto error;
 
 		deb_irq("%u irq: %08x cur_addr: %llx: cur_pos: %08x, last_cur_pos: %08x ",
 				jiffies_to_usecs(jiffies - fc_pci->last_irq),

@@ -224,6 +226,7 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id)
 		ret = IRQ_NONE;
 	}
 
+error:
 	spin_unlock_irqrestore(&fc_pci->irq_lock, flags);
 	return ret;
 }

index 8c56d4c37a52..3513b1a6fcee 100644
@@ -296,7 +296,12 @@ static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_d
 	hexium_set_input(hexium, 0);
 	hexium->cur_input = 0;
 
-	saa7146_vv_init(dev, &vv_data);
+	ret = saa7146_vv_init(dev, &vv_data);
+	if (ret) {
+		i2c_del_adapter(&hexium->i2c_adapter);
+		kfree(hexium);
+		return ret;
+	}
 
 	vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input;
 	vv_data.vid_ops.vidioc_g_input = vidioc_g_input;

index a794f9e5f990..b88aa1feb7df 100644
@@ -367,10 +367,16 @@ static struct saa7146_ext_vv vv_data;
 static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
 {
 	struct hexium *hexium = (struct hexium *) dev->ext_priv;
+	int ret;
 
 	DEB_EE("\n");
 
-	saa7146_vv_init(dev, &vv_data);
+	ret = saa7146_vv_init(dev, &vv_data);
+	if (ret) {
+		pr_err("Error in saa7146_vv_init()\n");
+		return ret;
+	}
+
 	vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input;
 	vv_data.vid_ops.vidioc_g_input = vidioc_g_input;
 	vv_data.vid_ops.vidioc_s_input = vidioc_s_input;

index 6e25654da256..bfa7a7d15dbf 100644
@@ -695,10 +695,16 @@ static struct saa7146_ext_vv vv_data;
 static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
 {
 	struct mxb *mxb;
+	int ret;
 
 	DEB_EE("dev:%p\n", dev);
 
-	saa7146_vv_init(dev, &vv_data);
+	ret = saa7146_vv_init(dev, &vv_data);
+	if (ret) {
+		ERR("Error in saa7146_vv_init()");
+		return ret;
+	}
+
 	if (mxb_probe(dev)) {
 		saa7146_vv_release(dev);
 		return -1;

index 96ab4b61669a..36d50c3f9b08 100644
@@ -295,7 +295,11 @@ static int vdoa_probe(struct platform_device *pdev)
 	struct resource *res;
 	int ret;
 
-	dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
+	ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
+	if (ret) {
+		dev_err(&pdev->dev, "DMA enable failed\n");
+		return ret;
+	}
 
 	vdoa = devm_kzalloc(&pdev->dev, sizeof(*vdoa), GFP_KERNEL);
 	if (!vdoa)

index 83f859e8509c..b95006a864c2 100644
@@ -217,11 +217,11 @@ static int fops_vcodec_release(struct file *file)
 	mtk_v4l2_debug(1, "[%d] encoder", ctx->id);
 	mutex_lock(&dev->dev_mutex);
 
+	v4l2_m2m_ctx_release(ctx->m2m_ctx);
 	mtk_vcodec_enc_release(ctx);
 	v4l2_fh_del(&ctx->fh);
 	v4l2_fh_exit(&ctx->fh);
 	v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
-	v4l2_m2m_ctx_release(ctx->m2m_ctx);
 
 	list_del_init(&ctx->list);
 	kfree(ctx);

index 23f55514b002..127658c28a09 100644
@@ -416,16 +416,23 @@ static int rcsi2_wait_phy_start(struct rcar_csi2 *priv)
 static int rcsi2_set_phypll(struct rcar_csi2 *priv, unsigned int mbps)
 {
 	const struct rcsi2_mbps_reg *hsfreq;
+	const struct rcsi2_mbps_reg *hsfreq_prev = NULL;
 
-	for (hsfreq = priv->info->hsfreqrange; hsfreq->mbps != 0; hsfreq++)
+	for (hsfreq = priv->info->hsfreqrange; hsfreq->mbps != 0; hsfreq++) {
 		if (hsfreq->mbps >= mbps)
 			break;
+		hsfreq_prev = hsfreq;
+	}
 
 	if (!hsfreq->mbps) {
 		dev_err(priv->dev, "Unsupported PHY speed (%u Mbps)", mbps);
 		return -ERANGE;
 	}
 
+	if (hsfreq_prev &&
+	    ((mbps - hsfreq_prev->mbps) <= (hsfreq->mbps - mbps)))
+		hsfreq = hsfreq_prev;
+
 	rcsi2_write(priv, PHYPLL_REG, PHYPLL_HSFREQRANGE(hsfreq->reg));
 
 	return 0;

@@ -836,10 +843,17 @@ static int rcsi2_phtw_write_mbps(struct rcar_csi2 *priv, unsigned int mbps,
 				 const struct rcsi2_mbps_reg *values, u16 code)
 {
 	const struct rcsi2_mbps_reg *value;
+	const struct rcsi2_mbps_reg *prev_value = NULL;
 
-	for (value = values; value->mbps; value++)
+	for (value = values; value->mbps; value++) {
 		if (value->mbps >= mbps)
 			break;
+		prev_value = value;
+	}
+
+	if (prev_value &&
+	    ((mbps - prev_value->mbps) <= (value->mbps - mbps)))
+		value = prev_value;
 
 	if (!value->mbps) {
 		dev_err(priv->dev, "Unsupported PHY speed (%u Mbps)", mbps);

index cc68bdac0c36..7c49eaee67f3 100644
@@ -381,7 +381,7 @@ static int si470x_i2c_probe(struct i2c_client *client,
 	if (radio->hdl.error) {
 		retval = radio->hdl.error;
 		dev_err(&client->dev, "couldn't register control\n");
-		goto err_dev;
+		goto err_all;
 	}
 
 	/* video device initialization */

@@ -465,7 +465,6 @@ static int si470x_i2c_probe(struct i2c_client *client,
 	kfree(radio->buffer);
 err_ctrl:
 	v4l2_ctrl_handler_free(&radio->hdl);
-err_dev:
 	v4l2_device_unregister(&radio->v4l2_dev);
 err_radio:
 	kfree(radio);

index f563ddd7f739..98a13532a596 100644
@@ -73,9 +73,11 @@ static void igorplugusb_irdata(struct igorplugusb *ir, unsigned len)
 	if (start >= len) {
 		dev_err(ir->dev, "receive overflow invalid: %u", overflow);
 	} else {
-		if (overflow > 0)
+		if (overflow > 0) {
 			dev_warn(ir->dev, "receive overflow, at least %u lost",
 								overflow);
+			ir_raw_event_reset(ir->rc);
+		}
 
 		do {
 			rawir.duration = ir->buf_in[i] * 85333;

index cf4bcf7c62f2..0b619a2c146e 100644
@@ -1367,7 +1367,7 @@ static void mceusb_gen1_init(struct mceusb_dev *ir)
 	 */
 	ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0),
 			      USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0,
-			      data, USB_CTRL_MSG_SZ, HZ * 3);
+			      data, USB_CTRL_MSG_SZ, 3000);
 	dev_dbg(dev, "set address - ret = %d", ret);
 	dev_dbg(dev, "set address - data[0] = %d, data[1] = %d",
 						data[0], data[1]);

@@ -1375,20 +1375,20 @@ static void mceusb_gen1_init(struct mceusb_dev *ir)
 	/* set feature: bit rate 38400 bps */
 	ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
 			      USB_REQ_SET_FEATURE, USB_TYPE_VENDOR,
-			      0xc04e, 0x0000, NULL, 0, HZ * 3);
+			      0xc04e, 0x0000, NULL, 0, 3000);
 
 	dev_dbg(dev, "set feature - ret = %d", ret);
 
 	/* bRequest 4: set char length to 8 bits */
 	ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
 			      4, USB_TYPE_VENDOR,
-			      0x0808, 0x0000, NULL, 0, HZ * 3);
+			      0x0808, 0x0000, NULL, 0, 3000);
 	dev_dbg(dev, "set char length - retB = %d", ret);
 
 	/* bRequest 2: set handshaking to use DTR/DSR */
 	ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
 			      2, USB_TYPE_VENDOR,
-			      0x0000, 0x0100, NULL, 0, HZ * 3);
+			      0x0000, 0x0100, NULL, 0, 3000);
 	dev_dbg(dev, "set handshake  - retC = %d", ret);
 
 	/* device resume */

index 6bfc24885b5c..14be14b0b0b0 100644
@@ -415,7 +415,7 @@ static int redrat3_send_cmd(int cmd, struct redrat3_dev *rr3)
 	udev = rr3->udev;
 	res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), cmd,
 			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
-			      0x0000, 0x0000, data, sizeof(u8), HZ * 10);
+			      0x0000, 0x0000, data, sizeof(u8), 10000);
 
 	if (res < 0) {
 		dev_err(rr3->dev, "%s: Error sending rr3 cmd res %d, data %d",

@@ -491,7 +491,7 @@ static u32 redrat3_get_timeout(struct redrat3_dev *rr3)
 	pipe = usb_rcvctrlpipe(rr3->udev, 0);
 	ret = usb_control_msg(rr3->udev, pipe, RR3_GET_IR_PARAM,
 			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
-			      RR3_IR_IO_SIG_TIMEOUT, 0, tmp, len, HZ * 5);
+			      RR3_IR_IO_SIG_TIMEOUT, 0, tmp, len, 5000);
 	if (ret != len)
 		dev_warn(rr3->dev, "Failed to read timeout from hardware\n");
 	else {

@@ -521,7 +521,7 @@ static int redrat3_set_timeout(struct rc_dev *rc_dev, unsigned int timeoutns)
 	ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RR3_SET_IR_PARAM,
 		     USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
 		     RR3_IR_IO_SIG_TIMEOUT, 0, timeout, sizeof(*timeout),
-		     HZ * 25);
+		     25000);
 	dev_dbg(dev, "set ir parm timeout %d ret 0x%02x\n",
 						be32_to_cpu(*timeout), ret);
 

@@ -553,32 +553,32 @@ static void redrat3_reset(struct redrat3_dev *rr3)
 	*val = 0x01;
 	rc = usb_control_msg(udev, rxpipe, RR3_RESET,
 			     USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
-			     RR3_CPUCS_REG_ADDR, 0, val, len, HZ * 25);
+			     RR3_CPUCS_REG_ADDR, 0, val, len, 25000);
 	dev_dbg(dev, "reset returned 0x%02x\n", rc);
 
 	*val = length_fuzz;
 	rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM,
 			     USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
-			     RR3_IR_IO_LENGTH_FUZZ, 0, val, len, HZ * 25);
+			     RR3_IR_IO_LENGTH_FUZZ, 0, val, len, 25000);
 	dev_dbg(dev, "set ir parm len fuzz %d rc 0x%02x\n", *val, rc);
 
 	*val = (65536 - (minimum_pause * 2000)) / 256;
 	rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM,
 			     USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
-			     RR3_IR_IO_MIN_PAUSE, 0, val, len, HZ * 25);
+			     RR3_IR_IO_MIN_PAUSE, 0, val, len, 25000);
 	dev_dbg(dev, "set ir parm min pause %d rc 0x%02x\n", *val, rc);
 
 	*val = periods_measure_carrier;
 	rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM,
 			     USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
-			     RR3_IR_IO_PERIODS_MF, 0, val, len, HZ * 25);
+			     RR3_IR_IO_PERIODS_MF, 0, val, len, 25000);
 	dev_dbg(dev, "set ir parm periods measure carrier %d rc 0x%02x", *val,
 									rc);
 
 	*val = RR3_DRIVER_MAXLENS;
 	rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM,
 			     USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
-			     RR3_IR_IO_MAX_LENGTHS, 0, val, len, HZ * 25);
+			     RR3_IR_IO_MAX_LENGTHS, 0, val, len, 25000);
 	dev_dbg(dev, "set ir parm max lens %d rc 0x%02x\n", *val, rc);
 
 	kfree(val);

@@ -596,7 +596,7 @@ static void redrat3_get_firmware_rev(struct redrat3_dev *rr3)
 	rc = usb_control_msg(rr3->udev, usb_rcvctrlpipe(rr3->udev, 0),
 			     RR3_FW_VERSION,
 			     USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
-			     0, 0, buffer, RR3_FW_VERSION_LEN, HZ * 5);
+			     0, 0, buffer, RR3_FW_VERSION_LEN, 5000);
 
 	if (rc >= 0)
 		dev_info(rr3->dev, "Firmware rev: %s", buffer);

@@ -836,14 +836,14 @@ static int redrat3_transmit_ir(struct rc_dev *rcdev, unsigned *txbuf,
 
 	pipe = usb_sndbulkpipe(rr3->udev, rr3->ep_out->bEndpointAddress);
 	ret = usb_bulk_msg(rr3->udev, pipe, irdata,
-			    sendbuf_len, &ret_len, 10 * HZ);
+			    sendbuf_len, &ret_len, 10000);
 	dev_dbg(dev, "sent %d bytes, (ret %d)\n", ret_len, ret);
 
 	/* now tell the hardware to transmit what we sent it */
 	pipe = usb_rcvctrlpipe(rr3->udev, 0);
 	ret = usb_control_msg(rr3->udev, pipe, RR3_TX_SEND_SIGNAL,
 			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
-			      0, 0, irdata, 2, HZ * 10);
+			      0, 0, irdata, 2, 10000);
 
 	if (ret < 0)
 		dev_err(dev, "Error: control msg send failed, rc %d\n", ret);

index 5de6ed728708..13ffe196b7a4 100644
@@ -451,6 +451,13 @@ static int msi001_probe(struct spi_device *spi)
 			V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1);
 	dev->bandwidth = v4l2_ctrl_new_std(&dev->hdl, &msi001_ctrl_ops,
 			V4L2_CID_RF_TUNER_BANDWIDTH, 200000, 8000000, 1, 200000);
+	if (dev->hdl.error) {
+		ret = dev->hdl.error;
+		dev_err(&spi->dev, "Could not initialize controls\n");
+		/* control init failed, free handler */
+		goto err_ctrl_handler_free;
+	}
+
 	v4l2_ctrl_auto_cluster(2, &dev->bandwidth_auto, 0, false);
 	dev->lna_gain = v4l2_ctrl_new_std(&dev->hdl, &msi001_ctrl_ops,
 			V4L2_CID_RF_TUNER_LNA_GAIN, 0, 1, 1, 1);

index 13770b038048..a4bba669f234 100644
@@ -89,7 +89,7 @@ static int si2157_init(struct dvb_frontend *fe)
 	dev_dbg(&client->dev, "\n");
 
 	/* Try to get Xtal trim property, to verify tuner still running */
-	memcpy(cmd.args, "\x15\x00\x04\x02", 4);
+	memcpy(cmd.args, "\x15\x00\x02\x04", 4);
 	cmd.wlen = 4;
 	cmd.rlen = 4;
 	ret = si2157_cmd_execute(client, &cmd);

index 5104678f29b7..9dd6e30749fd 100644
@@ -86,7 +86,7 @@ static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI,
 			0,
 			fc_usb->data,
 			sizeof(u32),
-			B2C2_WAIT_FOR_OPERATION_RDW * HZ);
+			B2C2_WAIT_FOR_OPERATION_RDW);
 
 	if (ret != sizeof(u32)) {
 		err("error while %s dword from %d (%d).", read ? "reading" :

@@ -154,7 +154,7 @@ static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb,
 			wIndex,
 			fc_usb->data,
 			buflen,
-			nWaitTime * HZ);
+			nWaitTime);
 	if (ret != buflen)
 		ret = -EIO;
 

@@ -248,13 +248,13 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c,
 		/* DKT 020208 - add this to support special case of DiSEqC */
 	case USB_FUNC_I2C_CHECKWRITE:
 		pipe = B2C2_USB_CTRL_PIPE_OUT;
-		nWaitTime = 2;
+		nWaitTime = 2000;
 		request_type |= USB_DIR_OUT;
 		break;
 	case USB_FUNC_I2C_READ:
 	case USB_FUNC_I2C_REPEATREAD:
 		pipe = B2C2_USB_CTRL_PIPE_IN;
-		nWaitTime = 2;
+		nWaitTime = 2000;
 		request_type |= USB_DIR_IN;
 		break;
 	default:

@@ -281,7 +281,7 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c,
 			wIndex,
 			fc_usb->data,
 			buflen,
-			nWaitTime * HZ);
+			nWaitTime);
 
 	if (ret != buflen)
 		ret = -EIO;

index e86faa0e06ca..3dfd25fa4750 100644
@@ -91,13 +91,13 @@ typedef enum {
 	UTILITY_SRAM_TESTVERIFY     = 0x16,
 } flexcop_usb_utility_function_t;
 
-#define B2C2_WAIT_FOR_OPERATION_RW (1*HZ)
-#define B2C2_WAIT_FOR_OPERATION_RDW (3*HZ)
-#define B2C2_WAIT_FOR_OPERATION_WDW (1*HZ)
+#define B2C2_WAIT_FOR_OPERATION_RW 1000
+#define B2C2_WAIT_FOR_OPERATION_RDW 3000
+#define B2C2_WAIT_FOR_OPERATION_WDW 1000
 
-#define B2C2_WAIT_FOR_OPERATION_V8READ (3*HZ)
-#define B2C2_WAIT_FOR_OPERATION_V8WRITE (3*HZ)
-#define B2C2_WAIT_FOR_OPERATION_V8FLASH (3*HZ)
+#define B2C2_WAIT_FOR_OPERATION_V8READ 3000
+#define B2C2_WAIT_FOR_OPERATION_V8WRITE 3000
+#define B2C2_WAIT_FOR_OPERATION_V8FLASH 3000
 
 typedef enum {
 	V8_MEMORY_PAGE_DVB_CI = 0x20,

index 839217574069..d9cac7064bb4 100644
@@ -559,7 +559,7 @@ static int write_packet(struct usb_device *udev,
 			       0,	/* index */
 			       buf,	/* buffer */
 			       size,
-			       HZ);
+			       1000);
 
 	kfree(buf);
 	return ret;

@@ -591,7 +591,7 @@ static int read_packet(struct usb_device *udev,
 			       0,	/* index */
 			       buf,	/* buffer */
 			       size,
-			       HZ);
+			       1000);
 
 	if (ret >= 0)
 		memcpy(registers, buf, size);

index 6a53ff93c4d8..c4c4119cb306 100644
@@ -619,8 +619,6 @@ int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 		deb_info("the endpoint number (%i) is not correct, use the adapter id instead", adap->fe_adap[0].stream.props.endpoint);
 		if (onoff)
 			st->channel_state |=	1 << (adap->id);
-		else
-			st->channel_state |=	1 << ~(adap->id);
 	} else {
 		if (onoff)
 			st->channel_state |=	1 << (adap->fe_adap[0].stream.props.endpoint-2);

368 lines not on this page · raw message

index 22554d9abd43..3b2a0f36fc38 100644
@@ -277,6 +277,13 @@ static int m920x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int nu
 			/* Should check for ack here, if we knew how. */
 		}
 		if (msg[i].flags & I2C_M_RD) {
+			char *read = kmalloc(1, GFP_KERNEL);
+			if (!read) {
+				ret = -ENOMEM;
+				kfree(read);
+				goto unlock;
+			}
+
 			for (j = 0; j < msg[i].len; j++) {
 				/* Last byte of transaction?
 				 * Send STOP, otherwise send ACK. */

@@ -284,9 +291,12 @@ static int m920x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int nu
 
 				if ((ret = m920x_read(d->udev, M9206_I2C, 0x0,
 						      0x20 | stop,
-						      &msg[i].buf[j], 1)) != 0)
+						      read, 1)) != 0)
 					goto unlock;
+				msg[i].buf[j] = read[0];
 			}
+
+			kfree(read);
 		} else {
 			for (j = 0; j < msg[i].len; j++) {
 				/* Last byte of transaction? Then send STOP. */

index ec608f60d2c7..06da08f8efdb 100644
@@ -3515,8 +3515,10 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
 
 	if (dev->is_audio_only) {
 		retval = em28xx_audio_setup(dev);
-		if (retval)
-			return -ENODEV;
+		if (retval) {
+			retval = -ENODEV;
+			goto err_deinit_media;
+		}
 		em28xx_init_extension(dev);
 
 		return 0;

@@ -3535,7 +3537,7 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
 		dev_err(&dev->intf->dev,
 			"%s: em28xx_i2c_register bus 0 - error [%d]!\n",
 		       __func__, retval);
-		return retval;
+		goto err_deinit_media;
 	}
 
 	/* register i2c bus 1 */

@@ -3551,9 +3553,7 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
 				"%s: em28xx_i2c_register bus 1 - error [%d]!\n",
 				__func__, retval);
 
-			em28xx_i2c_unregister(dev, 0);
-
-			return retval;
+			goto err_unreg_i2c;
 		}
 	}
 

@@ -3561,6 +3561,12 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
 	em28xx_card_setup(dev);
 
 	return 0;
+
+err_unreg_i2c:
+	em28xx_i2c_unregister(dev, 0);
+err_deinit_media:
+	em28xx_unregister_media_device(dev);
+	return retval;
 }
 
 static int em28xx_duplicate_dev(struct em28xx *dev)

index 437651307056..334a82add53f 100644
@@ -89,7 +89,7 @@ int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
 	mutex_lock(&dev->ctrl_urb_lock);
 	ret = usb_control_msg(udev, pipe, req,
 			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			      0x0000, reg, dev->urb_buf, len, HZ);
+			      0x0000, reg, dev->urb_buf, len, 1000);
 	if (ret < 0) {
 		em28xx_regdbg("(pipe 0x%08x): IN:  %02x %02x %02x %02x %02x %02x %02x %02x  failed with error %i\n",
 			      pipe,

@@ -158,7 +158,7 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
 	memcpy(dev->urb_buf, buf, len);
 	ret = usb_control_msg(udev, pipe, req,
 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			      0x0000, reg, dev->urb_buf, len, HZ);
+			      0x0000, reg, dev->urb_buf, len, 1000);
 	mutex_unlock(&dev->ctrl_urb_lock);
 
 	if (ret < 0) {

index d1bbfe4000dd..21ccbbd70dce 100644
@@ -1476,7 +1476,7 @@ static int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
 	for (address = 0; address < fwsize; address += 0x800) {
 		memcpy(fw_ptr, fw_entry->data + address, 0x800);
 		ret += usb_control_msg(hdw->usb_dev, pipe, 0xa0, 0x40, address,
-				       0, fw_ptr, 0x800, HZ);
+				       0, fw_ptr, 0x800, 1000);
 	}
 
 	trace_firmware("Upload done, releasing device's CPU");

@@ -1614,7 +1614,7 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw)
 			((u32 *)fw_ptr)[icnt] = swab32(((u32 *)fw_ptr)[icnt]);
 
 		ret |= usb_bulk_msg(hdw->usb_dev, pipe, fw_ptr,bcnt,
-				    &actual_length, HZ);
+				    &actual_length, 1000);
 		ret |= (actual_length != bcnt);
 		if (ret) break;
 		fw_done += bcnt;

@@ -3431,7 +3431,7 @@ void pvr2_hdw_cpufw_set_enabled(struct pvr2_hdw *hdw,
 						      0xa0,0xc0,
 						      address,0,
 						      hdw->fw_buffer+address,
-						      0x800,HZ);
+						      0x800,1000);
 				if (ret < 0) break;
 			}
 

@@ -3970,7 +3970,7 @@ void pvr2_hdw_cpureset_assert(struct pvr2_hdw *hdw,int val)
 	/* Write the CPUCS register on the 8051.  The lsb of the register
 	   is the reset bit; a 1 asserts reset while a 0 clears it. */
 	pipe = usb_sndctrlpipe(hdw->usb_dev, 0);
-	ret = usb_control_msg(hdw->usb_dev,pipe,0xa0,0x40,0xe600,0,da,1,HZ);
+	ret = usb_control_msg(hdw->usb_dev,pipe,0xa0,0x40,0xe600,0,da,1,1000);
 	if (ret < 0) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
 			   "cpureset_assert(%d) error=%d",val,ret);

index 82927eb334c4..3e3ecf214762 100644
@@ -1904,7 +1904,7 @@ static long s2255_vendor_req(struct s2255_dev *dev, unsigned char Request,
 				    USB_TYPE_VENDOR | USB_RECIP_DEVICE |
 				    USB_DIR_IN,
 				    Value, Index, buf,
-				    TransferBufferLength, HZ * 5);
+				    TransferBufferLength, USB_CTRL_SET_TIMEOUT);
 
 		if (r >= 0)
 			memcpy(TransferBuffer, buf, TransferBufferLength);

@@ -1913,7 +1913,7 @@ static long s2255_vendor_req(struct s2255_dev *dev, unsigned char Request,
 		r = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
 				    Request, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 				    Value, Index, buf,
-				    TransferBufferLength, HZ * 5);
+				    TransferBufferLength, USB_CTRL_SET_TIMEOUT);
 	}
 	kfree(buf);
 	return r;

index 468f5ccf4ae6..bb0db4cdc6c7 100644
@@ -75,7 +75,7 @@ int stk1160_read_reg(struct stk1160 *dev, u16 reg, u8 *value)
 		return -ENOMEM;
 	ret = usb_control_msg(dev->udev, pipe, 0x00,
 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			0x00, reg, buf, sizeof(u8), HZ);
+			0x00, reg, buf, sizeof(u8), 1000);
 	if (ret < 0) {
 		stk1160_err("read failed on reg 0x%x (%d)\n",
 			reg, ret);

@@ -95,7 +95,7 @@ int stk1160_write_reg(struct stk1160 *dev, u16 reg, u16 value)
 
 	ret =  usb_control_msg(dev->udev, pipe, 0x01,
 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			value, reg, NULL, 0, HZ);
+			value, reg, NULL, 0, 1000);
 	if (ret < 0) {
 		stk1160_err("write failed on reg 0x%x (%d)\n",
 			reg, ret);

index 9c26e586bb01..b431f06d5a1f 100644
@@ -1854,6 +1854,10 @@ static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags)
 		if (ep == NULL)
 			return -EIO;
 
+		/* Reject broken descriptors. */
+		if (usb_endpoint_maxp(&ep->desc) == 0)
+			return -EIO;
+
 		ret = uvc_init_video_bulk(stream, ep, gfp_flags);
 	}
 

index a738486fd9d6..839ba3cc5311 100644
@@ -176,7 +176,7 @@
 /* Maximum status buffer size in bytes of interrupt URB. */
 #define UVC_MAX_STATUS_SIZE	16
 
-#define UVC_CTRL_CONTROL_TIMEOUT	500
+#define UVC_CTRL_CONTROL_TIMEOUT	5000
 #define UVC_CTRL_STREAMING_TIMEOUT	5000
 
 /* Maximum allowed number of control mappings per device */

index 7911b0a14a6d..fc44fb7c595b 100644
@@ -80,6 +80,7 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev)
 {
 	struct intel_lpss_platform_info *info;
 	const struct acpi_device_id *id;
+	int ret;
 
 	id = acpi_match_device(intel_lpss_acpi_ids, &pdev->dev);
 	if (!id)

@@ -93,10 +94,14 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev)
 	info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	info->irq = platform_get_irq(pdev, 0);
 
+	ret = intel_lpss_probe(&pdev->dev, info);
+	if (ret)
+		return ret;
+
 	pm_runtime_set_active(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);
 
-	return intel_lpss_probe(&pdev->dev, info);
+	return 0;
 }
 
 static int intel_lpss_acpi_remove(struct platform_device *pdev)

index 626fdcaf2510..645d26536114 100644
@@ -81,12 +81,12 @@ static void firmware_load(const struct firmware *fw, void *context)
 
 	if (fw == NULL) {
 		dev_err(&spi->dev, "Cannot load firmware, aborting\n");
-		return;
+		goto out;
 	}
 
 	if (fw->size == 0) {
 		dev_err(&spi->dev, "Error: Firmware size is 0!\n");
-		return;
+		goto out;
 	}
 
 	/* Fill dummy data (24 stuffing bits for commands) */

@@ -108,7 +108,7 @@ static void firmware_load(const struct firmware *fw, void *context)
 		dev_err(&spi->dev,
 			"Error: No supported FPGA detected (JEDEC_ID=%08x)!\n",
 			jedec_id);
-		return;
+		goto out;
 	}
 
 	dev_info(&spi->dev, "FPGA %s detected\n", ecp3_dev[i].name);

@@ -121,7 +121,7 @@ static void firmware_load(const struct firmware *fw, void *context)
 	buffer = kzalloc(fw->size + 8, GFP_KERNEL);
 	if (!buffer) {
 		dev_err(&spi->dev, "Error: Can't allocate memory!\n");
-		return;
+		goto out;
 	}
 
 	/*

@@ -160,7 +160,7 @@ static void firmware_load(const struct firmware *fw, void *context)
 			"Error: Timeout waiting for FPGA to clear (status=%08x)!\n",
 			status);
 		kfree(buffer);
-		return;
+		goto out;
 	}
 
 	dev_info(&spi->dev, "Configuring the FPGA...\n");

@@ -186,7 +186,7 @@ static void firmware_load(const struct firmware *fw, void *context)
 	release_firmware(fw);
 
 	kfree(buffer);
-
+out:
 	complete(&data->fw_loaded);
 }
 

index 4e72ad24322f..5f1ee88aa761 100644
@@ -634,6 +634,8 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
 	if (host->ops->init_card)
 		host->ops->init_card(host, card);
 
+	card->ocr = ocr_card;
+
 	/*
 	 * If the host and card support UHS-I mode request the card
 	 * to switch to 1.8V signaling level.  No 1.8v signalling if

@@ -740,7 +742,7 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
 
 		card = oldcard;
 	}
-	card->ocr = ocr_card;
+
 	mmc_fixup_device(card, sdio_fixup_methods);
 
 	if (card->type == MMC_TYPE_SD_COMBO) {

index 27837a794e7b..1f7e4352b067 100644
@@ -668,6 +668,11 @@ static int meson_mx_mmc_probe(struct platform_device *pdev)
 	}
 
 	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		ret = irq;
+		goto error_free_mmc;
+	}
+
 	ret = devm_request_threaded_irq(host->controller_dev, irq,
 					meson_mx_mmc_irq,
 					meson_mx_mmc_irq_thread, IRQF_ONESHOT,

index 044adf913854..64af6898131d 100644
@@ -123,7 +123,7 @@ int nanddev_bbt_set_block_status(struct nand_device *nand, unsigned int entry,
 		unsigned int rbits = bits_per_block + offs - BITS_PER_LONG;
 
 		pos[1] &= ~GENMASK(rbits - 1, 0);
-		pos[1] |= val >> rbits;
+		pos[1] |= val >> (bits_per_block - rbits);
 	}
 
 	return 0;

index 6bd414bac34d..6370a59a2579 100644
@@ -612,15 +612,6 @@ static int gpmi_get_clks(struct gpmi_nand_data *this)
 		r->clock[i] = clk;
 	}
 
-	if (GPMI_IS_MX6(this))
-		/*
-		 * Set the default value for the gpmi clock.
-		 *
-		 * If you want to use the ONFI nand which is in the
-		 * Synchronous Mode, you should change the clock as you need.
-		 */
-		clk_set_rate(r->clock[0], 22000000);
-
 	return 0;
 
 err_clock:

index d6c5f41b17f7..2d70cdd26f89 100644
@@ -782,14 +782,14 @@ static bool bond_should_notify_peers(struct bonding *bond)
 	slave = rcu_dereference(bond->curr_active_slave);
 	rcu_read_unlock();
 
-	netdev_dbg(bond->dev, "bond_should_notify_peers: slave %s\n",
-		   slave ? slave->dev->name : "NULL");
-
 	if (!slave || !bond->send_peer_notif ||
 	    !netif_carrier_ok(bond->dev) ||
 	    test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state))
 		return false;
 
+	netdev_dbg(bond->dev, "bond_should_notify_peers: slave %s\n",
+		   slave ? slave->dev->name : "NULL");
+
 	return true;
 }
 

index 4d4492884e0b..efe7d576afa5 100644
@@ -304,7 +304,7 @@ static int softingcs_probe(struct pcmcia_device *pcmcia)
 	return 0;
 
 platform_failed:
-	kfree(dev);
+	platform_device_put(pdev);
 mem_failed:
 pcmcia_bad:
 pcmcia_failed:

index aac58ce6e371..209eddeb822e 100644
@@ -576,18 +576,19 @@ int softing_startstop(struct net_device *dev, int up)
 		if (ret < 0)
 			goto failed;
 	}
-	/* enable_error_frame */
-	/*
+
+	/* enable_error_frame
+	 *
 	 * Error reporting is switched off at the moment since
 	 * the receiving of them is not yet 100% verified
 	 * This should be enabled sooner or later
-	 *
-	if (error_reporting) {
+	 */
+	if (0 && error_reporting) {
 		ret = softing_fct_cmd(card, 51, "enable_error_frame");
 		if (ret < 0)
 			goto failed;
 	}
-	*/
+
 	/* initialize interface */
 	iowrite16(1, &card->dpram[DPRAM_FCT_PARAM + 2]);
 	iowrite16(1, &card->dpram[DPRAM_FCT_PARAM + 4]);

index 6a57169c2715..8fa5836e5487 100644
@@ -328,7 +328,7 @@ static void gs_usb_receive_bulk_callback(struct urb *urb)
 
 	/* device reports out of range channel id */
 	if (hf->channel >= GS_MAX_INTF)
-		goto resubmit_urb;
+		goto device_detach;
 
 	dev = usbcan->canch[hf->channel];
 

@@ -413,6 +413,7 @@ static void gs_usb_receive_bulk_callback(struct urb *urb)
 
 	/* USB failure take down all interfaces */
 	if (rc == -ENODEV) {
+ device_detach:
 		for (rc = 0; rc < GS_MAX_INTF; rc++) {
 			if (usbcan->canch[rc])
 				netif_device_detach(usbcan->canch[rc]->netdev);

@@ -514,6 +515,8 @@ static netdev_tx_t gs_can_start_xmit(struct sk_buff *skb,
 
 	hf->echo_id = idx;
 	hf->channel = dev->channel;
+	hf->flags = 0;
+	hf->reserved = 0;
 
 	cf = (struct can_frame *)skb->data;
 

index b01c6da4dd81..90447a420ec7 100644
@@ -1536,7 +1536,12 @@ static int xcan_probe(struct platform_device *pdev)
 	spin_lock_init(&priv->tx_lock);
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