Linux 5.12.6

index be8050b0c3df..70993af22d80 100644
@@ -24,6 +24,7 @@
 #include <asm/vdso_datapage.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <linux/kbuild.h>
+#include <linux/arm-smccc.h>
 #include "signal.h"
 
 /*

@@ -148,6 +149,8 @@ int main(void)
   DEFINE(SLEEP_SAVE_SP_PHYS,	offsetof(struct sleep_save_sp, save_ptr_stash_phys));
   DEFINE(SLEEP_SAVE_SP_VIRT,	offsetof(struct sleep_save_sp, save_ptr_stash));
 #endif
+  DEFINE(ARM_SMCCC_QUIRK_ID_OFFS,	offsetof(struct arm_smccc_quirk, id));
+  DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS,	offsetof(struct arm_smccc_quirk, state));
   BLANK();
   DEFINE(DMA_BIDIRECTIONAL,	DMA_BIDIRECTIONAL);
   DEFINE(DMA_TO_DEVICE,		DMA_TO_DEVICE);

index 24bd20564be7..43f0a3ebf390 100644
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
+#include <linux/ftrace.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/mm_types.h>

@@ -25,6 +26,13 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
 	if (!idmap_pgd)
 		return -EINVAL;
 
+	/*
+	 * Function graph tracer state gets incosistent when the kernel
+	 * calls functions that never return (aka suspend finishers) hence
+	 * disable graph tracing during their execution.
+	 */
+	pause_graph_tracing();
+
 	/*
 	 * Provide a temporary page table with an identity mapping for
 	 * the MMU-enable code, required for resuming.  On successful

@@ -32,6 +40,9 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
 	 * back to the correct page tables.
 	 */
 	ret = __cpu_suspend(arg, fn, __mpidr);
+
+	unpause_graph_tracing();
+
 	if (ret == 0) {
 		cpu_switch_mm(mm->pgd, mm);
 		local_flush_bp_all();

@@ -45,7 +56,13 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
 int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
 {
 	u32 __mpidr = cpu_logical_map(smp_processor_id());
-	return __cpu_suspend(arg, fn, __mpidr);
+	int ret;
+
+	pause_graph_tracing();
+	ret = __cpu_suspend(arg, fn, __mpidr);
+	unpause_graph_tracing();
+
+	return ret;
 }
 #define	idmap_pgd	NULL
 #endif

index 845002cc2e57..04dad3380041 100644
@@ -13,9 +13,19 @@
 #endif
 #define HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
 
+/*
+ * Clang prior to 13 had "mcount" instead of "_mcount":
+ * https://reviews.llvm.org/D98881
+ */
+#if defined(CONFIG_CC_IS_GCC) || CONFIG_CLANG_VERSION >= 130000
+#define MCOUNT_NAME _mcount
+#else
+#define MCOUNT_NAME mcount
+#endif
+
 #define ARCH_SUPPORTS_FTRACE_OPS 1
 #ifndef __ASSEMBLY__
-void _mcount(void);
+void MCOUNT_NAME(void);
 static inline unsigned long ftrace_call_adjust(unsigned long addr)
 {
 	return addr;

@@ -36,7 +46,7 @@ struct dyn_arch_ftrace {
  * both auipc and jalr at the same time.
  */
 
-#define MCOUNT_ADDR		((unsigned long)_mcount)
+#define MCOUNT_ADDR		((unsigned long)MCOUNT_NAME)
 #define JALR_SIGN_MASK		(0x00000800)
 #define JALR_OFFSET_MASK	(0x00000fff)
 #define AUIPC_OFFSET_MASK	(0xfffff000)

deleted file mode 100644
index 9361a8eb9bf1..000000000000
@@ -1,16 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- */
-
-#include <linux/module.h>
-
-extern void __bb_init_func(void *)  __attribute__((weak));
-EXPORT_SYMBOL(__bb_init_func);
-
-extern void __gcov_init(void *)  __attribute__((weak));
-EXPORT_SYMBOL(__gcov_init);
-extern void __gcov_merge_add(void *, unsigned int)  __attribute__((weak));
-EXPORT_SYMBOL(__gcov_merge_add);
-extern void __gcov_exit(void)  __attribute__((weak));
-EXPORT_SYMBOL(__gcov_exit);

index 75a0915b0d01..40bbe56bde32 100644
@@ -252,7 +252,7 @@ static void __wrmsr_safe_regs_on_cpu(void *info)
 	rv->err = wrmsr_safe_regs(rv->regs);
 }
 
-int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs)
+int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8])
 {
 	int err;
 	struct msr_regs_info rv;

@@ -265,7 +265,7 @@ int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs)
 }
 EXPORT_SYMBOL(rdmsr_safe_regs_on_cpu);
 
-int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs)
+int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8])
 {
 	int err;
 	struct msr_regs_info rv;

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index 6f80ec30c0cd..6f37439e5247 100644
@@ -619,6 +619,7 @@ int mhi_pm_m3_transition(struct mhi_controller *mhi_cntrl);
 int __mhi_device_get_sync(struct mhi_controller *mhi_cntrl);
 int mhi_send_cmd(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan,
 		 enum mhi_cmd_type cmd);
+int mhi_download_amss_image(struct mhi_controller *mhi_cntrl);
 static inline bool mhi_is_active(struct mhi_controller *mhi_cntrl)
 {
 	return (mhi_cntrl->dev_state >= MHI_STATE_M0 &&

index 277704af7eb6..87d3b73bcade 100644
@@ -759,6 +759,8 @@ void mhi_pm_st_worker(struct work_struct *work)
 			 * either SBL or AMSS states
 			 */
 			mhi_create_devices(mhi_cntrl);
+			if (mhi_cntrl->fbc_download)
+				mhi_download_amss_image(mhi_cntrl);
 			break;
 		case DEV_ST_TRANSITION_MISSION_MODE:
 			mhi_pm_mission_mode_transition(mhi_cntrl);

index 08d71dafa001..58c8cc8fe0e1 100644
@@ -937,22 +937,21 @@ int dw_edma_remove(struct dw_edma_chip *chip)
 	/* Power management */
 	pm_runtime_disable(dev);
 
+	/* Deregister eDMA device */
+	dma_async_device_unregister(&dw->wr_edma);
 	list_for_each_entry_safe(chan, _chan, &dw->wr_edma.channels,
 				 vc.chan.device_node) {
-		list_del(&chan->vc.chan.device_node);
 		tasklet_kill(&chan->vc.task);
+		list_del(&chan->vc.chan.device_node);
 	}
 
+	dma_async_device_unregister(&dw->rd_edma);
 	list_for_each_entry_safe(chan, _chan, &dw->rd_edma.channels,
 				 vc.chan.device_node) {
-		list_del(&chan->vc.chan.device_node);
 		tasklet_kill(&chan->vc.task);
+		list_del(&chan->vc.chan.device_node);
 	}
 
-	/* Deregister eDMA device */
-	dma_async_device_unregister(&dw->wr_edma);
-	dma_async_device_unregister(&dw->rd_edma);
-
 	/* Turn debugfs off */
 	dw_edma_v0_core_debugfs_off();
 

index 1aacd2a5a1fd..174839f3772f 100644
@@ -1438,6 +1438,20 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] __initconst = {
 			.no_edge_events_on_boot = true,
 		},
 	},
+	{
+		/*
+		 * The Dell Venue 10 Pro 5055, with Bay Trail SoC + TI PMIC uses an
+		 * external embedded-controller connected via I2C + an ACPI GPIO
+		 * event handler on INT33FFC:02 pin 12, causing spurious wakeups.
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Venue 10 Pro 5055"),
+		},
+		.driver_data = &(struct acpi_gpiolib_dmi_quirk) {
+			.ignore_wake = "INT33FC:02@12",
+		},
+	},
 	{
 		/*
 		 * HP X2 10 models with Cherry Trail SoC + TI PMIC use an

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index 6e641f1513d8..fbff3df72e6c 100644
@@ -1110,7 +1110,6 @@ static int navi10_force_clk_levels(struct smu_context *smu,
 	case SMU_SOCCLK:
 	case SMU_MCLK:
 	case SMU_UCLK:
-	case SMU_DCEFCLK:
 	case SMU_FCLK:
 		/* There is only 2 levels for fine grained DPM */
 		if (navi10_is_support_fine_grained_dpm(smu, clk_type)) {

@@ -1130,6 +1129,10 @@ static int navi10_force_clk_levels(struct smu_context *smu,
 		if (ret)
 			return size;
 		break;
+	case SMU_DCEFCLK:
+		dev_info(smu->adev->dev,"Setting DCEFCLK min/max dpm level is not supported!\n");
+		break;
+
 	default:
 		break;
 	}

index af73e1430af5..61438940c26e 100644
@@ -1127,7 +1127,6 @@ static int sienna_cichlid_force_clk_levels(struct smu_context *smu,
 	case SMU_SOCCLK:
 	case SMU_MCLK:
 	case SMU_UCLK:
-	case SMU_DCEFCLK:
 	case SMU_FCLK:
 		/* There is only 2 levels for fine grained DPM */
 		if (sienna_cichlid_is_support_fine_grained_dpm(smu, clk_type)) {

@@ -1147,6 +1146,9 @@ static int sienna_cichlid_force_clk_levels(struct smu_context *smu,
 		if (ret)
 			goto forec_level_out;
 		break;
+	case SMU_DCEFCLK:
+		dev_info(smu->adev->dev,"Setting DCEFCLK min/max dpm level is not supported!\n");
+		break;
 	default:
 		break;
 	}

index 5a5103632564..97a785aa8839 100644
@@ -4488,7 +4488,18 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp)
 	drm_WARN_ON_ONCE(&i915->drm, intel_dp->active_mst_links < 0);
 
 	for (;;) {
-		u8 esi[DP_DPRX_ESI_LEN] = {};
+		/*
+		 * The +2 is because DP_DPRX_ESI_LEN is 14, but we then
+		 * pass in "esi+10" to drm_dp_channel_eq_ok(), which
+		 * takes a 6-byte array. So we actually need 16 bytes
+		 * here.
+		 *
+		 * Somebody who knows what the limits actually are
+		 * should check this, but for now this is at least
+		 * harmless and avoids a valid compiler warning about
+		 * using more of the array than we have allocated.
+		 */
+		u8 esi[DP_DPRX_ESI_LEN+2] = {};
 		bool handled;
 		int retry;
 

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index 945701bce553..2e081a58da6c 100644
@@ -95,19 +95,19 @@
 
 #include <asm/sections.h>
 
-#define v1printk(a...) do { \
-	if (verbose) \
-		printk(KERN_INFO a); \
-	} while (0)
-#define v2printk(a...) do { \
-	if (verbose > 1) \
-		printk(KERN_INFO a); \
-		touch_nmi_watchdog();	\
-	} while (0)
-#define eprintk(a...) do { \
-		printk(KERN_ERR a); \
-		WARN_ON(1); \
-	} while (0)
+#define v1printk(a...) do {		\
+	if (verbose)			\
+		printk(KERN_INFO a);	\
+} while (0)
+#define v2printk(a...) do {		\
+	if (verbose > 1)		\
+		printk(KERN_INFO a);	\
+	touch_nmi_watchdog();		\
+} while (0)
+#define eprintk(a...) do {		\
+	printk(KERN_ERR a);		\
+	WARN_ON(1);			\
+} while (0)
 #define MAX_CONFIG_LEN		40
 
 static struct kgdb_io kgdbts_io_ops;

index 256fae15e032..1e5f2edb70cf 100644
@@ -2563,12 +2563,12 @@ int cxgb4_ethofld_send_flowc(struct net_device *dev, u32 eotid, u32 tc)
 	spin_lock_bh(&eosw_txq->lock);
 	if (tc != FW_SCHED_CLS_NONE) {
 		if (eosw_txq->state != CXGB4_EO_STATE_CLOSED)
-			goto out_unlock;
+			goto out_free_skb;
 
 		next_state = CXGB4_EO_STATE_FLOWC_OPEN_SEND;
 	} else {
 		if (eosw_txq->state != CXGB4_EO_STATE_ACTIVE)
-			goto out_unlock;
+			goto out_free_skb;
 
 		next_state = CXGB4_EO_STATE_FLOWC_CLOSE_SEND;
 	}

@@ -2604,17 +2604,19 @@ int cxgb4_ethofld_send_flowc(struct net_device *dev, u32 eotid, u32 tc)
 		eosw_txq_flush_pending_skbs(eosw_txq);
 
 	ret = eosw_txq_enqueue(eosw_txq, skb);
-	if (ret) {
-		dev_consume_skb_any(skb);
-		goto out_unlock;
-	}
+	if (ret)
+		goto out_free_skb;
 
 	eosw_txq->state = next_state;
 	eosw_txq->flowc_idx = eosw_txq->pidx;
 	eosw_txq_advance(eosw_txq, 1);
 	ethofld_xmit(dev, eosw_txq);
 
-out_unlock:
+	spin_unlock_bh(&eosw_txq->lock);
+	return 0;
+
+out_free_skb:
+	dev_consume_skb_any(skb);
 	spin_unlock_bh(&eosw_txq->lock);
 	return ret;
 }

index 62aa0e95beb7..a7249e4071f1 100644
@@ -222,7 +222,7 @@ static void dwmac4_dma_rx_chan_op_mode(void __iomem *ioaddr, int mode,
 				       u32 channel, int fifosz, u8 qmode)
 {
 	unsigned int rqs = fifosz / 256 - 1;
-	u32 mtl_rx_op, mtl_rx_int;
+	u32 mtl_rx_op;
 
 	mtl_rx_op = readl(ioaddr + MTL_CHAN_RX_OP_MODE(channel));
 

@@ -283,11 +283,6 @@ static void dwmac4_dma_rx_chan_op_mode(void __iomem *ioaddr, int mode,
 	}
 
 	writel(mtl_rx_op, ioaddr + MTL_CHAN_RX_OP_MODE(channel));
-
-	/* Enable MTL RX overflow */
-	mtl_rx_int = readl(ioaddr + MTL_CHAN_INT_CTRL(channel));
-	writel(mtl_rx_int | MTL_RX_OVERFLOW_INT_EN,
-	       ioaddr + MTL_CHAN_INT_CTRL(channel));
 }
 
 static void dwmac4_dma_tx_chan_op_mode(void __iomem *ioaddr, int mode,

index c6f24abf6432..369d7cde3993 100644
@@ -4168,7 +4168,6 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
 	/* To handle GMAC own interrupts */
 	if ((priv->plat->has_gmac) || xmac) {
 		int status = stmmac_host_irq_status(priv, priv->hw, &priv->xstats);
-		int mtl_status;
 
 		if (unlikely(status)) {
 			/* For LPI we need to save the tx status */

@@ -4179,17 +4178,8 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
 		}
 
 		for (queue = 0; queue < queues_count; queue++) {
-			struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
-
-			mtl_status = stmmac_host_mtl_irq_status(priv, priv->hw,
-								queue);
-			if (mtl_status != -EINVAL)
-				status |= mtl_status;
-
-			if (status & CORE_IRQ_MTL_RX_OVERFLOW)
-				stmmac_set_rx_tail_ptr(priv, priv->ioaddr,
-						       rx_q->rx_tail_addr,
-						       queue);
+			status = stmmac_host_mtl_irq_status(priv, priv->hw,
+							    queue);
 		}
 
 		/* PCS link status */

129 lines not on this page · raw message

index 81224447605b..5a1ab49908c3 100644
@@ -307,7 +307,7 @@ static void nvmet_execute_get_log_page(struct nvmet_req *req)
 	case NVME_LOG_ANA:
 		return nvmet_execute_get_log_page_ana(req);
 	}
-	pr_err("unhandled lid %d on qid %d\n",
+	pr_debug("unhandled lid %d on qid %d\n",
 	       req->cmd->get_log_page.lid, req->sq->qid);
 	req->error_loc = offsetof(struct nvme_get_log_page_command, lid);
 	nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_SC_DNR);

@@ -659,7 +659,7 @@ static void nvmet_execute_identify(struct nvmet_req *req)
 		return nvmet_execute_identify_desclist(req);
 	}
 
-	pr_err("unhandled identify cns %d on qid %d\n",
+	pr_debug("unhandled identify cns %d on qid %d\n",
 	       req->cmd->identify.cns, req->sq->qid);
 	req->error_loc = offsetof(struct nvme_identify, cns);
 	nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_SC_DNR);

@@ -977,7 +977,7 @@ u16 nvmet_parse_admin_cmd(struct nvmet_req *req)
 		return 0;
 	}
 
-	pr_err("unhandled cmd %d on qid %d\n", cmd->common.opcode,
+	pr_debug("unhandled cmd %d on qid %d\n", cmd->common.opcode,
 	       req->sq->qid);
 	req->error_loc = offsetof(struct nvme_common_command, opcode);
 	return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;

index 6fa216e52d14..0e94190ca4e8 100644
@@ -1645,7 +1645,7 @@ static void pex_ep_event_pex_rst_deassert(struct tegra_pcie_dw *pcie)
 	if (pcie->ep_state == EP_STATE_ENABLED)
 		return;
 
-	ret = pm_runtime_get_sync(dev);
+	ret = pm_runtime_resume_and_get(dev);
 	if (ret < 0) {
 		dev_err(dev, "Failed to get runtime sync for PCIe dev: %d\n",
 			ret);

index f964fd26f7e0..ffd84656544f 100644
@@ -116,7 +116,7 @@ static int thunder_ecam_p2_config_read(struct pci_bus *bus, unsigned int devfn,
 	 * the config space access window.  Since we are working with
 	 * the high-order 32 bits, shift everything down by 32 bits.
 	 */
-	node_bits = (cfg->res.start >> 32) & (1 << 12);
+	node_bits = upper_32_bits(cfg->res.start) & (1 << 12);
 
 	v |= node_bits;
 	set_val(v, where, size, val);

index 1a3f70ac61fc..0660b9da204f 100644
@@ -12,6 +12,7 @@
 #include <linux/pci-acpi.h>
 #include <linux/pci-ecam.h>
 #include <linux/platform_device.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
 #include "../pci.h"
 
 #if defined(CONFIG_PCI_HOST_THUNDER_PEM) || (defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS))

@@ -324,9 +325,9 @@ static int thunder_pem_init(struct device *dev, struct pci_config_window *cfg,
 	 * structure here for the BAR.
 	 */
 	bar4_start = res_pem->start + 0xf00000;
-	pem_pci->ea_entry[0] = (u32)bar4_start | 2;
-	pem_pci->ea_entry[1] = (u32)(res_pem->end - bar4_start) & ~3u;
-	pem_pci->ea_entry[2] = (u32)(bar4_start >> 32);
+	pem_pci->ea_entry[0] = lower_32_bits(bar4_start) | 2;
+	pem_pci->ea_entry[1] = lower_32_bits(res_pem->end - bar4_start) & ~3u;
+	pem_pci->ea_entry[2] = upper_32_bits(bar4_start);
 
 	cfg->priv = pem_pci;
 	return 0;

@@ -334,9 +335,9 @@ static int thunder_pem_init(struct device *dev, struct pci_config_window *cfg,
 
 #if defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS)
 
-#define PEM_RES_BASE		0x87e0c0000000UL
-#define PEM_NODE_MASK		GENMASK(45, 44)
-#define PEM_INDX_MASK		GENMASK(26, 24)
+#define PEM_RES_BASE		0x87e0c0000000ULL
+#define PEM_NODE_MASK		GENMASK_ULL(45, 44)
+#define PEM_INDX_MASK		GENMASK_ULL(26, 24)
 #define PEM_MIN_DOM_IN_NODE	4
 #define PEM_MAX_DOM_IN_NODE	10
 

index 3365c93abf0e..f031302ad401 100644
@@ -533,6 +533,7 @@ static void enable_slot(struct acpiphp_slot *slot, bool bridge)
 			slot->flags &= ~SLOT_ENABLED;
 			continue;
 		}
+		pci_dev_put(dev);
 	}
 }
 

index ef7c4661314f..9684b468267f 100644
@@ -624,6 +624,12 @@ static inline int pci_dev_specific_reset(struct pci_dev *dev, int probe)
 #if defined(CONFIG_PCI_QUIRKS) && defined(CONFIG_ARM64)
 int acpi_get_rc_resources(struct device *dev, const char *hid, u16 segment,
 			  struct resource *res);
+#else
+static inline int acpi_get_rc_resources(struct device *dev, const char *hid,
+					u16 segment, struct resource *res)
+{
+	return -ENODEV;
+}
 #endif
 
 int pci_rebar_get_current_size(struct pci_dev *pdev, int bar);

index 0811562deecc..24be8f550ae0 100644
@@ -483,6 +483,11 @@ static int cros_typec_enable_dp(struct cros_typec_data *typec,
 		return -ENOTSUPP;
 	}
 
+	if (!pd_ctrl->dp_mode) {
+		dev_err(typec->dev, "No valid DP mode provided.\n");
+		return -EINVAL;
+	}
+
 	/* Status VDO. */
 	dp_data.status = DP_STATUS_ENABLED;
 	if (port->mux_flags & USB_PD_MUX_HPD_IRQ)

index bd31feb3d5e1..920cf329268b 100644
@@ -11807,13 +11807,20 @@ lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport,
 			   lpfc_ctx_cmd ctx_cmd)
 {
 	struct lpfc_io_buf *lpfc_cmd;
+	IOCB_t *icmd = NULL;
 	int rc = 1;
 
 	if (!iocbq || iocbq->vport != vport)
 		return rc;
 
-	if (!(iocbq->iocb_flag &  LPFC_IO_FCP) ||
-	    !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ))
+	if (!(iocbq->iocb_flag & LPFC_IO_FCP) ||
+	    !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ) ||
+	      iocbq->iocb_flag & LPFC_DRIVER_ABORTED)
+		return rc;
+
+	icmd = &iocbq->iocb;
+	if (icmd->ulpCommand == CMD_ABORT_XRI_CN ||
+	    icmd->ulpCommand == CMD_CLOSE_XRI_CN)
 		return rc;
 
 	lpfc_cmd = container_of(iocbq, struct lpfc_io_buf, cur_iocbq);

index bf73cd5f4b04..6809c970be03 100644
@@ -1377,7 +1377,7 @@ static int tcmu_run_tmr_queue(struct tcmu_dev *udev)
 	return 1;
 }
 
-static unsigned int tcmu_handle_completions(struct tcmu_dev *udev)
+static bool tcmu_handle_completions(struct tcmu_dev *udev)
 {
 	struct tcmu_mailbox *mb;
 	struct tcmu_cmd *cmd;

@@ -1420,7 +1420,7 @@ static unsigned int tcmu_handle_completions(struct tcmu_dev *udev)
 			pr_err("cmd_id %u not found, ring is broken\n",
 			       entry->hdr.cmd_id);
 			set_bit(TCMU_DEV_BIT_BROKEN, &udev->flags);
-			break;
+			return false;
 		}
 
 		tcmu_handle_completion(cmd, entry);

index 115ced0d93e1..1be692d3cf90 100644
@@ -1287,11 +1287,10 @@ sl811h_hub_control(
 			goto error;
 		put_unaligned_le32(sl811->port1, buf);
 
-#ifndef	VERBOSE
-	if (*(u16*)(buf+2))	/* only if wPortChange is interesting */
-#endif
-		dev_dbg(hcd->self.controller, "GetPortStatus %08x\n",
-			sl811->port1);
+		if (__is_defined(VERBOSE) ||
+		    *(u16*)(buf+2)) /* only if wPortChange is interesting */
+			dev_dbg(hcd->self.controller, "GetPortStatus %08x\n",
+				sl811->port1);
 		break;
 	case SetPortFeature:
 		if (wIndex != 1 || wLength != 0)

index 09d6f7229db9..a5a6a7930e5e 100644
@@ -1684,6 +1684,7 @@ ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	struct inode *bd_inode = bdev_file_inode(file);
 	loff_t size = i_size_read(bd_inode);
 	struct blk_plug plug;
+	size_t shorted = 0;
 	ssize_t ret;
 
 	if (bdev_read_only(I_BDEV(bd_inode)))

@@ -1701,12 +1702,17 @@ ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	if ((iocb->ki_flags & (IOCB_NOWAIT | IOCB_DIRECT)) == IOCB_NOWAIT)
 		return -EOPNOTSUPP;
 
-	iov_iter_truncate(from, size - iocb->ki_pos);
+	size -= iocb->ki_pos;
+	if (iov_iter_count(from) > size) {
+		shorted = iov_iter_count(from) - size;
+		iov_iter_truncate(from, size);
+	}
 
 	blk_start_plug(&plug);
 	ret = __generic_file_write_iter(iocb, from);
 	if (ret > 0)
 		ret = generic_write_sync(iocb, ret);
+	iov_iter_reexpand(from, iov_iter_count(from) + shorted);
 	blk_finish_plug(&plug);
 	return ret;
 }

@@ -1718,13 +1724,21 @@ ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to)
 	struct inode *bd_inode = bdev_file_inode(file);
 	loff_t size = i_size_read(bd_inode);
 	loff_t pos = iocb->ki_pos;
+	size_t shorted = 0;
+	ssize_t ret;
 
 	if (pos >= size)
 		return 0;
 
 	size -= pos;
-	iov_iter_truncate(to, size);
-	return generic_file_read_iter(iocb, to);
+	if (iov_iter_count(to) > size) {
+		shorted = iov_iter_count(to) - size;
+		iov_iter_truncate(to, size);
+	}
+
+	ret = generic_file_read_iter(iocb, to);
+	iov_iter_reexpand(to, iov_iter_count(to) + shorted);
+	return ret;
 }
 EXPORT_SYMBOL_GPL(blkdev_read_iter);
 

index 570731c4d019..d405ba801492 100644
@@ -1867,6 +1867,7 @@ static int try_nonblocking_invalidate(struct inode *inode)
 	u32 invalidating_gen = ci->i_rdcache_gen;
 
 	spin_unlock(&ci->i_ceph_lock);
+	ceph_fscache_invalidate(inode);
 	invalidate_mapping_pages(&inode->i_data, 0, -1);
 	spin_lock(&ci->i_ceph_lock);
 

index baa6368bece5..042bb4a02c0a 100644
@@ -129,6 +129,10 @@ static struct inode *__lookup_inode(struct super_block *sb, u64 ino)
 
 	vino.ino = ino;
 	vino.snap = CEPH_NOSNAP;
+
+	if (ceph_vino_is_reserved(vino))
+		return ERR_PTR(-ESTALE);
+
 	inode = ceph_find_inode(sb, vino);
 	if (!inode) {
 		struct ceph_mds_request *req;

@@ -214,6 +218,10 @@ static struct dentry *__snapfh_to_dentry(struct super_block *sb,
 		vino.ino = sfh->ino;
 		vino.snap = sfh->snapid;
 	}
+
+	if (ceph_vino_is_reserved(vino))
+		return ERR_PTR(-ESTALE);
+
 	inode = ceph_find_inode(sb, vino);
 	if (inode)
 		return d_obtain_alias(inode);

index 156f849f5385..179d2ef69a24 100644
@@ -56,6 +56,9 @@ struct inode *ceph_get_inode(struct super_block *sb, struct ceph_vino vino)
 {
 	struct inode *inode;
 
+	if (ceph_vino_is_reserved(vino))
+		return ERR_PTR(-EREMOTEIO);
+
 	inode = iget5_locked(sb, (unsigned long)vino.ino, ceph_ino_compare,
 			     ceph_set_ino_cb, &vino);
 	if (!inode)

@@ -87,14 +90,15 @@ struct inode *ceph_get_snapdir(struct inode *parent)
 	inode->i_mtime = parent->i_mtime;
 	inode->i_ctime = parent->i_ctime;
 	inode->i_atime = parent->i_atime;
-	inode->i_op = &ceph_snapdir_iops;
-	inode->i_fop = &ceph_snapdir_fops;
-	ci->i_snap_caps = CEPH_CAP_PIN; /* so we can open */
 	ci->i_rbytes = 0;
 	ci->i_btime = ceph_inode(parent)->i_btime;
 
-	if (inode->i_state & I_NEW)
+	if (inode->i_state & I_NEW) {
+		inode->i_op = &ceph_snapdir_iops;
+		inode->i_fop = &ceph_snapdir_fops;
+		ci->i_snap_caps = CEPH_CAP_PIN; /* so we can open */
 		unlock_new_inode(inode);
+	}
 
 	return inode;
 }

@@ -1863,6 +1867,7 @@ static void ceph_do_invalidate_pages(struct inode *inode)
 	orig_gen = ci->i_rdcache_gen;
 	spin_unlock(&ci->i_ceph_lock);
 
+	ceph_fscache_invalidate(inode);
 	if (invalidate_inode_pages2(inode->i_mapping) < 0) {
 		pr_err("invalidate_pages %p fails\n", inode);
 	}

index d87bd852ed96..298cb0b3d28c 100644
@@ -433,6 +433,13 @@ static int ceph_parse_deleg_inos(void **p, void *end,
 
 		ceph_decode_64_safe(p, end, start, bad);
 		ceph_decode_64_safe(p, end, len, bad);
+
+		/* Don't accept a delegation of system inodes */
+		if (start < CEPH_INO_SYSTEM_BASE) {
+			pr_warn_ratelimited("ceph: ignoring reserved inode range delegation (start=0x%llx len=0x%llx)\n",
+					start, len);
+			continue;
+		}
 		while (len--) {
 			int err = xa_insert(&s->s_delegated_inos, ino = start++,
 					    DELEGATED_INO_AVAILABLE,

index c48bb30c8d70..1d2fe70439bd 100644
@@ -529,10 +529,34 @@ static inline int ceph_ino_compare(struct inode *inode, void *data)
 		ci->i_vino.snap == pvino->snap;
 }
 
+/*
+ * The MDS reserves a set of inodes for its own usage. These should never
+ * be accessible by clients, and so the MDS has no reason to ever hand these
+ * out. The range is CEPH_MDS_INO_MDSDIR_OFFSET..CEPH_INO_SYSTEM_BASE.
+ *
+ * These come from src/mds/mdstypes.h in the ceph sources.
+ */
+#define CEPH_MAX_MDS		0x100
+#define CEPH_NUM_STRAY		10
+#define CEPH_MDS_INO_MDSDIR_OFFSET	(1 * CEPH_MAX_MDS)
+#define CEPH_INO_SYSTEM_BASE		((6*CEPH_MAX_MDS) + (CEPH_MAX_MDS * CEPH_NUM_STRAY))
+
+static inline bool ceph_vino_is_reserved(const struct ceph_vino vino)
+{
+	if (vino.ino < CEPH_INO_SYSTEM_BASE &&
+	    vino.ino >= CEPH_MDS_INO_MDSDIR_OFFSET) {
+		WARN_RATELIMIT(1, "Attempt to access reserved inode number 0x%llx", vino.ino);
+		return true;
+	}
+	return false;
+}
 
 static inline struct inode *ceph_find_inode(struct super_block *sb,
 					    struct ceph_vino vino)
 {
+	if (ceph_vino_is_reserved(vino))
+		return NULL;
+
 	/*
 	 * NB: The hashval will be run through the fs/inode.c hash function
 	 * anyway, so there is no need to squash the inode number down to

index 77456d228f2a..bb6d86255741 100644
@@ -186,7 +186,10 @@ void f2fs_register_inmem_page(struct inode *inode, struct page *page)
 {
 	struct inmem_pages *new;
 
-	f2fs_set_page_private(page, ATOMIC_WRITTEN_PAGE);
+	if (PagePrivate(page))
+		set_page_private(page, (unsigned long)ATOMIC_WRITTEN_PAGE);
+	else
+		f2fs_set_page_private(page, ATOMIC_WRITTEN_PAGE);
 
 	new = f2fs_kmem_cache_alloc(inmem_entry_slab, GFP_NOFS);
 

index 7cfeee3eeef7..ae8bc84e39fb 100644
@@ -219,15 +219,16 @@ void nfs_set_cache_invalid(struct inode *inode, unsigned long flags)
 				| NFS_INO_INVALID_SIZE
 				| NFS_INO_REVAL_PAGECACHE
 				| NFS_INO_INVALID_XATTR);
-	}
+	} else if (flags & NFS_INO_REVAL_PAGECACHE)
+		flags |= NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_SIZE;
 
 	if (!nfs_has_xattr_cache(nfsi))
 		flags &= ~NFS_INO_INVALID_XATTR;
+	if (flags & NFS_INO_INVALID_DATA)
+		nfs_fscache_invalidate(inode);
 	if (inode->i_mapping->nrpages == 0)
 		flags &= ~(NFS_INO_INVALID_DATA|NFS_INO_DATA_INVAL_DEFER);
 	nfsi->cache_validity |= flags;
-	if (flags & NFS_INO_INVALID_DATA)
-		nfs_fscache_invalidate(inode);
 }
 EXPORT_SYMBOL_GPL(nfs_set_cache_invalid);
 

index 49f67a0c6e5d..df9179f4f441 100644
@@ -71,7 +71,7 @@ static void *stack_slabs[STACK_ALLOC_MAX_SLABS];
 static int depot_index;
 static int next_slab_inited;
 static size_t depot_offset;
-static DEFINE_SPINLOCK(depot_lock);
+static DEFINE_RAW_SPINLOCK(depot_lock);
 
 static bool init_stack_slab(void **prealloc)
 {

@@ -305,7 +305,7 @@ depot_stack_handle_t stack_depot_save(unsigned long *entries,
 			prealloc = page_address(page);
 	}
 
-	spin_lock_irqsave(&depot_lock, flags);
+	raw_spin_lock_irqsave(&depot_lock, flags);
 
 	found = find_stack(*bucket, entries, nr_entries, hash);
 	if (!found) {

@@ -329,7 +329,7 @@ depot_stack_handle_t stack_depot_save(unsigned long *entries,
 		WARN_ON(!init_stack_slab(&prealloc));
 	}
 
-	spin_unlock_irqrestore(&depot_lock, flags);
+	raw_spin_unlock_irqrestore(&depot_lock, flags);
 exit:
 	if (prealloc) {
 		/* Nobody used this memory, ok to free it. */

index 0456593aceec..e4e6e991313e 100644
@@ -103,8 +103,9 @@ static size_t br_get_link_af_size_filtered(const struct net_device *dev,
 
 	rcu_read_lock();
 	if (netif_is_bridge_port(dev)) {
-		p = br_port_get_rcu(dev);
-		vg = nbp_vlan_group_rcu(p);
+		p = br_port_get_check_rcu(dev);
+		if (p)
+			vg = nbp_vlan_group_rcu(p);
 	} else if (dev->priv_flags & IFF_EBRIDGE) {
 		br = netdev_priv(dev);
 		vg = br_vlan_group_rcu(br);

index b218e4594009..6852e9bccf5b 100644
@@ -520,6 +520,10 @@ static int fill_frame_info(struct hsr_frame_info *frame,
 	struct ethhdr *ethhdr;
 	__be16 proto;
 
+	/* Check if skb contains hsr_ethhdr */
+	if (skb->mac_len < sizeof(struct hsr_ethhdr))
+		return -EINVAL;
+
 	memset(frame, 0, sizeof(*frame));
 	frame->is_supervision = is_supervision_frame(port->hsr, skb);
 	frame->node_src = hsr_get_node(port, &hsr->node_db, skb,

index 1baf43aacb2e..bc224f917bbd 100644
@@ -387,7 +387,6 @@ static struct ip6_tnl *ip6gre_tunnel_locate(struct net *net,
 	if (!(nt->parms.o_flags & TUNNEL_SEQ))
 		dev->features |= NETIF_F_LLTX;
 
-	dev_hold(dev);
 	ip6gre_tunnel_link(ign, nt);
 	return nt;
 

@@ -1496,6 +1495,7 @@ static int ip6gre_tunnel_init_common(struct net_device *dev)
 	}
 	ip6gre_tnl_init_features(dev);
 
+	dev_hold(dev);
 	return 0;
 
 cleanup_dst_cache_init:

@@ -1538,8 +1538,6 @@ static void ip6gre_fb_tunnel_init(struct net_device *dev)
 	strcpy(tunnel->parms.name, dev->name);
 
 	tunnel->hlen		= sizeof(struct ipv6hdr) + 4;
-
-	dev_hold(dev);
 }
 
 static struct inet6_protocol ip6gre_protocol __read_mostly = {

@@ -1889,6 +1887,7 @@ static int ip6erspan_tap_init(struct net_device *dev)
 	dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
 	ip6erspan_tnl_link_config(tunnel, 1);
 
+	dev_hold(dev);
 	return 0;
 
 cleanup_dst_cache_init:

@@ -1988,8 +1987,6 @@ static int ip6gre_newlink_common(struct net *src_net, struct net_device *dev,
 	if (tb[IFLA_MTU])
 		ip6_tnl_change_mtu(dev, nla_get_u32(tb[IFLA_MTU]));
 
-	dev_hold(dev);
-
 out:
 	return err;
 }

index 42fe7db6bbb3..d42f471b0d65 100644
@@ -266,7 +266,6 @@ static int ip6_tnl_create2(struct net_device *dev)
 
 	strcpy(t->parms.name, dev->name);
 
-	dev_hold(dev);
 	ip6_tnl_link(ip6n, t);
 	return 0;
 

@@ -1882,6 +1881,7 @@ ip6_tnl_dev_init_gen(struct net_device *dev)
 	dev->min_mtu = ETH_MIN_MTU;
 	dev->max_mtu = IP6_MAX_MTU - dev->hard_header_len;
 
+	dev_hold(dev);
 	return 0;
 
 destroy_dst:

@@ -1925,7 +1925,6 @@ static int __net_init ip6_fb_tnl_dev_init(struct net_device *dev)
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
 
 	t->parms.proto = IPPROTO_IPV6;
-	dev_hold(dev);
 
 	rcu_assign_pointer(ip6n->tnls_wc[0], t);
 	return 0;

index 932b15b13053..2d048e21abbb 100644
@@ -965,7 +965,6 @@ static int __net_init vti6_fb_tnl_dev_init(struct net_device *dev)
 	struct vti6_net *ip6n = net_generic(net, vti6_net_id);
 
 	t->parms.proto = IPPROTO_IPV6;
-	dev_hold(dev);
 
 	rcu_assign_pointer(ip6n->tnls_wc[0], t);
 	return 0;

index 9fdccf0718b5..fcc9ba2c80e9 100644
@@ -218,8 +218,6 @@ static int ipip6_tunnel_create(struct net_device *dev)
 
 	ipip6_tunnel_clone_6rd(dev, sitn);
 
-	dev_hold(dev);
-
 	ipip6_tunnel_link(sitn, t);
 	return 0;
 

@@ -1456,7 +1454,7 @@ static int ipip6_tunnel_init(struct net_device *dev)
 		dev->tstats = NULL;
 		return err;
 	}
-
+	dev_hold(dev);
 	return 0;
 }
 

@@ -1472,7 +1470,6 @@ static void __net_init ipip6_fb_tunnel_init(struct net_device *dev)
 	iph->ihl		= 5;
 	iph->ttl		= 64;
 
-	dev_hold(dev);
 	rcu_assign_pointer(sitn->tunnels_wc[0], tunnel);
 }
 

index 52c759a8543e..3669661457c1 100644
@@ -958,7 +958,7 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
 	p = xdr_reserve_space(&sctxt->sc_stream,
 			      rpcrdma_fixed_maxsz * sizeof(*p));
 	if (!p)
-		goto err0;
+		goto err1;
 
 	ret = svc_rdma_send_reply_chunk(rdma, rctxt, &rqstp->rq_res);
 	if (ret < 0)

@@ -970,11 +970,11 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
 	*p = pcl_is_empty(&rctxt->rc_reply_pcl) ? rdma_msg : rdma_nomsg;
 
 	if (svc_rdma_encode_read_list(sctxt) < 0)
-		goto err0;
+		goto err1;
 	if (svc_rdma_encode_write_list(rctxt, sctxt) < 0)
-		goto err0;
+		goto err1;
 	if (svc_rdma_encode_reply_chunk(rctxt, sctxt, ret) < 0)
-		goto err0;
+		goto err1;
 
 	ret = svc_rdma_send_reply_msg(rdma, sctxt, rctxt, rqstp);
 	if (ret < 0)

index f5cba7afd1c6..ff0fb2d16d82 100644
@@ -1202,11 +1202,17 @@ static const char *get_line_out_pfx(struct hda_codec *codec, int ch,
 		*index = ch;
 		return "Headphone";
 	case AUTO_PIN_LINE_OUT:
-		/* This deals with the case where we have two DACs and
-		 * one LO, one HP and one Speaker */
-		if (!ch && cfg->speaker_outs && cfg->hp_outs) {
-			bool hp_lo_shared = !path_has_mixer(codec, spec->hp_paths[0], ctl_type);
-			bool spk_lo_shared = !path_has_mixer(codec, spec->speaker_paths[0], ctl_type);
+		/* This deals with the case where one HP or one Speaker or
+		 * one HP + one Speaker need to share the DAC with LO
+		 */
+		if (!ch) {
+			bool hp_lo_shared = false, spk_lo_shared = false;
+
+			if (cfg->speaker_outs)
+				spk_lo_shared = !path_has_mixer(codec,
+								spec->speaker_paths[0],	ctl_type);
+			if (cfg->hp_outs)
+				hp_lo_shared = !path_has_mixer(codec, spec->hp_paths[0], ctl_type);
 			if (hp_lo_shared && spk_lo_shared)
 				return spec->vmaster_mute.hook ? "PCM" : "Master";
 			if (hp_lo_shared)