[gentoo-commits] proj/linux-patches:3.4 commit in: /

[Mike Pagano]

commit:     ce9777db91df0719bbfa9bd38d863096d2664397
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Fri Jun 27 17:22:11 2014 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Fri Jun 27 17:22:11 2014 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/linux-patches.git;a=commit;h=ce9777db

Linux patches 3.4.94 and 3.4.95

---
 0000_README             |    8 +
 1093_linux-3.4.94.patch |  293 +++++++
 1094_linux-3.4.95.patch | 2054 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 2355 insertions(+)

diff --git a/0000_README b/0000_README
index 7148101..1db991a 100644
--- a/0000_README
+++ b/0000_README
@@ -411,6 +411,14 @@ Patch:  1092_linux-3.4.93.patch
 From:   http://www.kernel.org
 Desc:   Linux 3.4.93
 
+Patch:  1093_linux-3.4.94.patch
+From:   http://www.kernel.org
+Desc:   Linux 3.4.94
+
+Patch:  1094_linux-3.4.95.patch
+From:   http://www.kernel.org
+Desc:   Linux 3.4.95
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1093_linux-3.4.94.patch b/1093_linux-3.4.94.patch
new file mode 100644
index 0000000..059857d
--- /dev/null
+++ b/1093_linux-3.4.94.patch
@@ -0,0 +1,293 @@
+diff --git a/Makefile b/Makefile
+index 20f420096dfa..0864af4a683b 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 3
+ PATCHLEVEL = 4
+-SUBLEVEL = 93
++SUBLEVEL = 94
+ EXTRAVERSION =
+ NAME = Saber-toothed Squirrel
+ 
+diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
+index 6524c6e21896..694aeedcbf88 100644
+--- a/arch/powerpc/Makefile
++++ b/arch/powerpc/Makefile
+@@ -67,9 +67,11 @@ LDFLAGS_vmlinux-y := -Bstatic
+ LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie
+ LDFLAGS_vmlinux	:= $(LDFLAGS_vmlinux-y)
+ 
++asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1)
++
+ CFLAGS-$(CONFIG_PPC64)	:= -mminimal-toc -mtraceback=no -mcall-aixdesc
+ CFLAGS-$(CONFIG_PPC32)	:= -ffixed-r2 -mmultiple
+-KBUILD_CPPFLAGS	+= -Iarch/$(ARCH)
++KBUILD_CPPFLAGS	+= -Iarch/$(ARCH) $(asinstr)
+ KBUILD_AFLAGS	+= -Iarch/$(ARCH)
+ KBUILD_CFLAGS	+= -msoft-float -pipe -Iarch/$(ARCH) $(CFLAGS-y)
+ CPP		= $(CC) -E $(KBUILD_CFLAGS)
+diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
+index 50f73aa2ba21..6f5a837431e9 100644
+--- a/arch/powerpc/include/asm/ppc_asm.h
++++ b/arch/powerpc/include/asm/ppc_asm.h
+@@ -294,11 +294,16 @@ n:
+  *      ld	rY,ADDROFF(name)(rX)
+  */
+ #ifdef __powerpc64__
++#ifdef HAVE_AS_ATHIGH
++#define __AS_ATHIGH high
++#else
++#define __AS_ATHIGH h
++#endif
+ #define LOAD_REG_IMMEDIATE(reg,expr)		\
+ 	lis     (reg),(expr)@highest;		\
+ 	ori     (reg),(reg),(expr)@higher;	\
+ 	rldicr  (reg),(reg),32,31;		\
+-	oris    (reg),(reg),(expr)@h;		\
++	oris    (reg),(reg),(expr)@__AS_ATHIGH;	\
+ 	ori     (reg),(reg),(expr)@l;
+ 
+ #define LOAD_REG_ADDR(reg,name)			\
+diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
+index ccd7b6711196..0e87baf8fcc2 100644
+--- a/drivers/ata/ahci.c
++++ b/drivers/ata/ahci.c
+@@ -441,6 +441,8 @@ static const struct pci_device_id ahci_pci_tbl[] = {
+ 	  .driver_data = board_ahci_yes_fbs },
+ 	{ PCI_DEVICE(0x1b4b, 0x9230),
+ 	  .driver_data = board_ahci_yes_fbs },
++	{ PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642),
++	  .driver_data = board_ahci_yes_fbs },
+ 
+ 	/* Promise */
+ 	{ PCI_VDEVICE(PROMISE, 0x3f20), board_ahci },	/* PDC42819 */
+diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
+index 00b81272e314..174b622dcaef 100644
+--- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c
++++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
+@@ -55,7 +55,6 @@ int mlx4_en_create_cq(struct mlx4_en_priv *priv,
+ 
+ 	cq->ring = ring;
+ 	cq->is_tx = mode;
+-	spin_lock_init(&cq->lock);
+ 
+ 	err = mlx4_alloc_hwq_res(mdev->dev, &cq->wqres,
+ 				cq->buf_size, 2 * PAGE_SIZE);
+diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+index 31b455a49273..467a51171d47 100644
+--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
++++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+@@ -370,15 +370,11 @@ static void mlx4_en_netpoll(struct net_device *dev)
+ {
+ 	struct mlx4_en_priv *priv = netdev_priv(dev);
+ 	struct mlx4_en_cq *cq;
+-	unsigned long flags;
+ 	int i;
+ 
+ 	for (i = 0; i < priv->rx_ring_num; i++) {
+ 		cq = &priv->rx_cq[i];
+-		spin_lock_irqsave(&cq->lock, flags);
+-		napi_synchronize(&cq->napi);
+-		mlx4_en_process_rx_cq(dev, cq, 0);
+-		spin_unlock_irqrestore(&cq->lock, flags);
++		napi_schedule(&cq->napi);
+ 	}
+ }
+ #endif
+diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+index d69fee41f24a..8df3c4be3ff1 100644
+--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
++++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+@@ -301,7 +301,6 @@ struct mlx4_en_cq {
+ 	struct mlx4_cq          mcq;
+ 	struct mlx4_hwq_resources wqres;
+ 	int                     ring;
+-	spinlock_t              lock;
+ 	struct net_device      *dev;
+ 	struct napi_struct	napi;
+ 	/* Per-core Tx cq processing support */
+diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
+index e5f416f8042d..1a7955a39070 100644
+--- a/drivers/scsi/megaraid/megaraid_sas.h
++++ b/drivers/scsi/megaraid/megaraid_sas.h
+@@ -1294,7 +1294,6 @@ struct megasas_instance {
+ 	u32 *reply_queue;
+ 	dma_addr_t reply_queue_h;
+ 
+-	unsigned long base_addr;
+ 	struct megasas_register_set __iomem *reg_set;
+ 
+ 	struct megasas_pd_list          pd_list[MEGASAS_MAX_PD];
+diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
+index 79261628d067..618870033dd0 100644
+--- a/drivers/scsi/megaraid/megaraid_sas_base.c
++++ b/drivers/scsi/megaraid/megaraid_sas_base.c
+@@ -3445,6 +3445,7 @@ static int megasas_init_fw(struct megasas_instance *instance)
+ 	u32 max_sectors_1;
+ 	u32 max_sectors_2;
+ 	u32 tmp_sectors, msix_enable;
++	resource_size_t base_addr;
+ 	struct megasas_register_set __iomem *reg_set;
+ 	struct megasas_ctrl_info *ctrl_info;
+ 	unsigned long bar_list;
+@@ -3453,14 +3454,14 @@ static int megasas_init_fw(struct megasas_instance *instance)
+ 	/* Find first memory bar */
+ 	bar_list = pci_select_bars(instance->pdev, IORESOURCE_MEM);
+ 	instance->bar = find_first_bit(&bar_list, sizeof(unsigned long));
+-	instance->base_addr = pci_resource_start(instance->pdev, instance->bar);
+ 	if (pci_request_selected_regions(instance->pdev, instance->bar,
+ 					 "megasas: LSI")) {
+ 		printk(KERN_DEBUG "megasas: IO memory region busy!\n");
+ 		return -EBUSY;
+ 	}
+ 
+-	instance->reg_set = ioremap_nocache(instance->base_addr, 8192);
++	base_addr = pci_resource_start(instance->pdev, instance->bar);
++	instance->reg_set = ioremap_nocache(base_addr, 8192);
+ 
+ 	if (!instance->reg_set) {
+ 		printk(KERN_DEBUG "megasas: Failed to map IO mem\n");
+diff --git a/drivers/staging/zram/zram_sysfs.c b/drivers/staging/zram/zram_sysfs.c
+index 826653fff70e..aafcf0330014 100644
+--- a/drivers/staging/zram/zram_sysfs.c
++++ b/drivers/staging/zram/zram_sysfs.c
+@@ -99,18 +99,23 @@ static ssize_t reset_store(struct device *dev,
+ 		return -ENOMEM;
+ 
+ 	/* Do not reset an active device! */
+-	if (bdev->bd_holders)
+-		return -EBUSY;
++	if (bdev->bd_holders) {
++		ret = -EBUSY;
++		goto out;
++	}
+ 
+ 	ret = kstrtou16(buf, 10, &do_reset);
+ 	if (ret)
+-		return ret;
++		goto out;
+ 
+-	if (!do_reset)
+-		return -EINVAL;
++	if (!do_reset) {
++		ret = -EINVAL;
++		goto out;
++	}
+ 
+ 	/* Make sure all pending I/O is finished */
+ 	fsync_bdev(bdev);
++	bdput(bdev);
+ 
+ 	down_write(&zram->init_lock);
+ 	if (zram->init_done)
+@@ -118,6 +123,10 @@ static ssize_t reset_store(struct device *dev,
+ 	up_write(&zram->init_lock);
+ 
+ 	return len;
++
++out:
++	bdput(bdev);
++	return ret;
+ }
+ 
+ static ssize_t num_reads_show(struct device *dev,
+@@ -188,10 +197,12 @@ static ssize_t mem_used_total_show(struct device *dev,
+ 	u64 val = 0;
+ 	struct zram *zram = dev_to_zram(dev);
+ 
++	down_read(&zram->init_lock);
+ 	if (zram->init_done) {
+ 		val = zs_get_total_size_bytes(zram->mem_pool) +
+ 			((u64)(zram->stats.pages_expand) << PAGE_SHIFT);
+ 	}
++	up_read(&zram->init_lock);
+ 
+ 	return sprintf(buf, "%llu\n", val);
+ }
+diff --git a/kernel/auditsc.c b/kernel/auditsc.c
+index af1de0f34eae..549071209258 100644
+--- a/kernel/auditsc.c
++++ b/kernel/auditsc.c
+@@ -868,6 +868,22 @@ static enum audit_state audit_filter_task(struct task_struct *tsk, char **key)
+ 	return AUDIT_BUILD_CONTEXT;
+ }
+ 
++static int audit_in_mask(const struct audit_krule *rule, unsigned long val)
++{
++	int word, bit;
++
++	if (val > 0xffffffff)
++		return false;
++
++	word = AUDIT_WORD(val);
++	if (word >= AUDIT_BITMASK_SIZE)
++		return false;
++
++	bit = AUDIT_BIT(val);
++
++	return rule->mask[word] & bit;
++}
++
+ /* At syscall entry and exit time, this filter is called if the
+  * audit_state is not low enough that auditing cannot take place, but is
+  * also not high enough that we already know we have to write an audit
+@@ -885,11 +901,8 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
+ 
+ 	rcu_read_lock();
+ 	if (!list_empty(list)) {
+-		int word = AUDIT_WORD(ctx->major);
+-		int bit  = AUDIT_BIT(ctx->major);
+-
+ 		list_for_each_entry_rcu(e, list, list) {
+-			if ((e->rule.mask[word] & bit) == bit &&
++			if (audit_in_mask(&e->rule, ctx->major) &&
+ 			    audit_filter_rules(tsk, &e->rule, ctx, NULL,
+ 					       &state, false)) {
+ 				rcu_read_unlock();
+@@ -909,20 +922,16 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
+ static int audit_filter_inode_name(struct task_struct *tsk,
+ 				   struct audit_names *n,
+ 				   struct audit_context *ctx) {
+-	int word, bit;
+ 	int h = audit_hash_ino((u32)n->ino);
+ 	struct list_head *list = &audit_inode_hash[h];
+ 	struct audit_entry *e;
+ 	enum audit_state state;
+ 
+-	word = AUDIT_WORD(ctx->major);
+-	bit  = AUDIT_BIT(ctx->major);
+-
+ 	if (list_empty(list))
+ 		return 0;
+ 
+ 	list_for_each_entry_rcu(e, list, list) {
+-		if ((e->rule.mask[word] & bit) == bit &&
++		if (audit_in_mask(&e->rule, ctx->major) &&
+ 		    audit_filter_rules(tsk, &e->rule, ctx, n, &state, false)) {
+ 			ctx->current_state = state;
+ 			return 1;
+diff --git a/net/ipv4/netfilter/nf_defrag_ipv4.c b/net/ipv4/netfilter/nf_defrag_ipv4.c
+index 9bb1b8a37a22..010288fdcc90 100644
+--- a/net/ipv4/netfilter/nf_defrag_ipv4.c
++++ b/net/ipv4/netfilter/nf_defrag_ipv4.c
+@@ -22,7 +22,6 @@
+ #endif
+ #include <net/netfilter/nf_conntrack_zones.h>
+ 
+-/* Returns new sk_buff, or NULL */
+ static int nf_ct_ipv4_gather_frags(struct sk_buff *skb, u_int32_t user)
+ {
+ 	int err;
+@@ -33,8 +32,10 @@ static int nf_ct_ipv4_gather_frags(struct sk_buff *skb, u_int32_t user)
+ 	err = ip_defrag(skb, user);
+ 	local_bh_enable();
+ 
+-	if (!err)
++	if (!err) {
+ 		ip_send_check(ip_hdr(skb));
++		skb->local_df = 1;
++	}
+ 
+ 	return err;
+ }

diff --git a/1094_linux-3.4.95.patch b/1094_linux-3.4.95.patch
new file mode 100644
index 0000000..38f55d2
--- /dev/null
+++ b/1094_linux-3.4.95.patch
@@ -0,0 +1,2054 @@
+diff --git a/Makefile b/Makefile
+index 0864af4a683b..fda1dab589be 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 3
+ PATCHLEVEL = 4
+-SUBLEVEL = 94
++SUBLEVEL = 95
+ EXTRAVERSION =
+ NAME = Saber-toothed Squirrel
+ 
+diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
+index 1995cb05acf2..6e49bb47f8b2 100644
+--- a/drivers/net/ethernet/mellanox/mlx4/main.c
++++ b/drivers/net/ethernet/mellanox/mlx4/main.c
+@@ -92,8 +92,6 @@ MODULE_PARM_DESC(log_num_mgm_entry_size, "log mgm size, that defines the num"
+ 					 " 10 gives 248.range: 9<="
+ 					 " log_num_mgm_entry_size <= 12");
+ 
+-#define MLX4_VF                                        (1 << 0)
+-
+ #define HCA_GLOBAL_CAP_MASK            0
+ #define PF_CONTEXT_BEHAVIOUR_MASK      0
+ 
+@@ -1731,7 +1729,7 @@ static void mlx4_free_ownership(struct mlx4_dev *dev)
+ 	iounmap(owner);
+ }
+ 
+-static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
++static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data)
+ {
+ 	struct mlx4_priv *priv;
+ 	struct mlx4_dev *dev;
+@@ -1754,12 +1752,11 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
+ 	/*
+ 	 * Check for BARs.
+ 	 */
+-	if (((id == NULL) || !(id->driver_data & MLX4_VF)) &&
++	if (!(pci_dev_data & MLX4_PCI_DEV_IS_VF) &&
+ 	    !(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
+ 		dev_err(&pdev->dev, "Missing DCS, aborting."
+-			"(id == 0X%p, id->driver_data: 0x%lx,"
+-			" pci_resource_flags(pdev, 0):0x%lx)\n", id,
+-			id ? id->driver_data : 0, pci_resource_flags(pdev, 0));
++			"(driver_data: 0x%x, pci_resource_flags(pdev, 0):0x%lx)\n",
++			pci_dev_data, pci_resource_flags(pdev, 0));
+ 		err = -ENODEV;
+ 		goto err_disable_pdev;
+ 	}
+@@ -1801,15 +1798,8 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
+ 	/* Allow large DMA segments, up to the firmware limit of 1 GB */
+ 	dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024);
+ 
+-	priv = kzalloc(sizeof *priv, GFP_KERNEL);
+-	if (!priv) {
+-		dev_err(&pdev->dev, "Device struct alloc failed, "
+-			"aborting.\n");
+-		err = -ENOMEM;
+-		goto err_release_regions;
+-	}
+-
+-	dev       = &priv->dev;
++	dev       = pci_get_drvdata(pdev);
++	priv      = mlx4_priv(dev);
+ 	dev->pdev = pdev;
+ 	INIT_LIST_HEAD(&priv->ctx_list);
+ 	spin_lock_init(&priv->ctx_lock);
+@@ -1824,7 +1814,7 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
+ 
+ 	dev->rev_id = pdev->revision;
+ 	/* Detect if this device is a virtual function */
+-	if (id && id->driver_data & MLX4_VF) {
++	if (pci_dev_data & MLX4_PCI_DEV_IS_VF) {
+ 		/* When acting as pf, we normally skip vfs unless explicitly
+ 		 * requested to probe them. */
+ 		if (num_vfs && extended_func_num(pdev) > probe_vf) {
+@@ -1970,7 +1960,7 @@ slave_start:
+ 	mlx4_sense_init(dev);
+ 	mlx4_start_sense(dev);
+ 
+-	pci_set_drvdata(pdev, dev);
++	priv->removed = 0;
+ 
+ 	return 0;
+ 
+@@ -2037,79 +2027,111 @@ err_disable_pdev:
+ static int __devinit mlx4_init_one(struct pci_dev *pdev,
+ 				   const struct pci_device_id *id)
+ {
++	struct mlx4_priv *priv;
++	struct mlx4_dev *dev;
++
+ 	printk_once(KERN_INFO "%s", mlx4_version);
+ 
+-	return __mlx4_init_one(pdev, id);
++	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
++	if (!priv)
++		return -ENOMEM;
++
++	dev       = &priv->dev;
++	pci_set_drvdata(pdev, dev);
++	priv->pci_dev_data = id->driver_data;
++
++	return __mlx4_init_one(pdev, id->driver_data);
+ }
+ 
+-static void mlx4_remove_one(struct pci_dev *pdev)
++static void __mlx4_remove_one(struct pci_dev *pdev)
+ {
+ 	struct mlx4_dev  *dev  = pci_get_drvdata(pdev);
+ 	struct mlx4_priv *priv = mlx4_priv(dev);
++	int               pci_dev_data;
+ 	int p;
+ 
+-	if (dev) {
+-		/* in SRIOV it is not allowed to unload the pf's
+-		 * driver while there are alive vf's */
+-		if (mlx4_is_master(dev)) {
+-			if (mlx4_how_many_lives_vf(dev))
+-				printk(KERN_ERR "Removing PF when there are assigned VF's !!!\n");
+-		}
+-		mlx4_stop_sense(dev);
+-		mlx4_unregister_device(dev);
++	if (priv->removed)
++		return;
+ 
+-		for (p = 1; p <= dev->caps.num_ports; p++) {
+-			mlx4_cleanup_port_info(&priv->port[p]);
+-			mlx4_CLOSE_PORT(dev, p);
+-		}
++	pci_dev_data = priv->pci_dev_data;
+ 
+-		mlx4_cleanup_counters_table(dev);
+-		mlx4_cleanup_mcg_table(dev);
+-		mlx4_cleanup_qp_table(dev);
+-		mlx4_cleanup_srq_table(dev);
+-		mlx4_cleanup_cq_table(dev);
+-		mlx4_cmd_use_polling(dev);
+-		mlx4_cleanup_eq_table(dev);
+-		mlx4_cleanup_mr_table(dev);
+-		mlx4_cleanup_xrcd_table(dev);
+-		mlx4_cleanup_pd_table(dev);
++	/* in SRIOV it is not allowed to unload the pf's
++	 * driver while there are alive vf's */
++	if (mlx4_is_master(dev)) {
++		if (mlx4_how_many_lives_vf(dev))
++			printk(KERN_ERR "Removing PF when there are assigned VF's !!!\n");
++	}
++	mlx4_stop_sense(dev);
++	mlx4_unregister_device(dev);
+ 
+-		if (mlx4_is_master(dev))
+-			mlx4_free_resource_tracker(dev);
+-
+-		iounmap(priv->kar);
+-		mlx4_uar_free(dev, &priv->driver_uar);
+-		mlx4_cleanup_uar_table(dev);
+-		if (!mlx4_is_slave(dev))
+-			mlx4_clear_steering(dev);
+-		mlx4_free_eq_table(dev);
+-		if (mlx4_is_master(dev))
+-			mlx4_multi_func_cleanup(dev);
+-		mlx4_close_hca(dev);
+-		if (mlx4_is_slave(dev))
+-			mlx4_multi_func_cleanup(dev);
+-		mlx4_cmd_cleanup(dev);
+-
+-		if (dev->flags & MLX4_FLAG_MSI_X)
+-			pci_disable_msix(pdev);
+-		if (num_vfs && (dev->flags & MLX4_FLAG_SRIOV)) {
+-			mlx4_warn(dev, "Disabling sriov\n");
+-			pci_disable_sriov(pdev);
+-		}
++	for (p = 1; p <= dev->caps.num_ports; p++) {
++		mlx4_cleanup_port_info(&priv->port[p]);
++		mlx4_CLOSE_PORT(dev, p);
++	}
++
++	mlx4_cleanup_counters_table(dev);
++	mlx4_cleanup_mcg_table(dev);
++	mlx4_cleanup_qp_table(dev);
++	mlx4_cleanup_srq_table(dev);
++	mlx4_cleanup_cq_table(dev);
++	mlx4_cmd_use_polling(dev);
++	mlx4_cleanup_eq_table(dev);
++	mlx4_cleanup_mr_table(dev);
++	mlx4_cleanup_xrcd_table(dev);
++	mlx4_cleanup_pd_table(dev);
++
++	if (mlx4_is_master(dev))
++		mlx4_free_resource_tracker(dev);
++
++	iounmap(priv->kar);
++	mlx4_uar_free(dev, &priv->driver_uar);
++	mlx4_cleanup_uar_table(dev);
++	if (!mlx4_is_slave(dev))
++		mlx4_clear_steering(dev);
++	mlx4_free_eq_table(dev);
++	if (mlx4_is_master(dev))
++		mlx4_multi_func_cleanup(dev);
++	mlx4_close_hca(dev);
++	if (mlx4_is_slave(dev))
++		mlx4_multi_func_cleanup(dev);
++	mlx4_cmd_cleanup(dev);
+ 
+-		if (!mlx4_is_slave(dev))
+-			mlx4_free_ownership(dev);
+-		kfree(priv);
+-		pci_release_regions(pdev);
+-		pci_disable_device(pdev);
+-		pci_set_drvdata(pdev, NULL);
++	if (dev->flags & MLX4_FLAG_MSI_X)
++		pci_disable_msix(pdev);
++	if (num_vfs && (dev->flags & MLX4_FLAG_SRIOV)) {
++		mlx4_warn(dev, "Disabling sriov\n");
++		pci_disable_sriov(pdev);
+ 	}
++
++	if (!mlx4_is_slave(dev))
++		mlx4_free_ownership(dev);
++
++	pci_release_regions(pdev);
++	pci_disable_device(pdev);
++	memset(priv, 0, sizeof(*priv));
++	priv->pci_dev_data = pci_dev_data;
++	priv->removed = 1;
++}
++
++static void mlx4_remove_one(struct pci_dev *pdev)
++{
++	struct mlx4_dev  *dev  = pci_get_drvdata(pdev);
++	struct mlx4_priv *priv = mlx4_priv(dev);
++
++	__mlx4_remove_one(pdev);
++	kfree(priv);
++	pci_set_drvdata(pdev, NULL);
+ }
+ 
+ int mlx4_restart_one(struct pci_dev *pdev)
+ {
+-	mlx4_remove_one(pdev);
+-	return __mlx4_init_one(pdev, NULL);
++	struct mlx4_dev	 *dev  = pci_get_drvdata(pdev);
++	struct mlx4_priv *priv = mlx4_priv(dev);
++	int		  pci_dev_data;
++
++	pci_dev_data = priv->pci_dev_data;
++	__mlx4_remove_one(pdev);
++	return __mlx4_init_one(pdev, pci_dev_data);
+ }
+ 
+ static DEFINE_PCI_DEVICE_TABLE(mlx4_pci_table) = {
+@@ -2138,11 +2160,11 @@ static DEFINE_PCI_DEVICE_TABLE(mlx4_pci_table) = {
+ 	/* MT26478 ConnectX2 40GigE PCIe gen2 */
+ 	{ PCI_VDEVICE(MELLANOX, 0x676e), 0 },
+ 	/* MT25400 Family [ConnectX-2 Virtual Function] */
+-	{ PCI_VDEVICE(MELLANOX, 0x1002), MLX4_VF },
++	{ PCI_VDEVICE(MELLANOX, 0x1002), MLX4_PCI_DEV_IS_VF },
+ 	/* MT27500 Family [ConnectX-3] */
+ 	{ PCI_VDEVICE(MELLANOX, 0x1003), 0 },
+ 	/* MT27500 Family [ConnectX-3 Virtual Function] */
+-	{ PCI_VDEVICE(MELLANOX, 0x1004), MLX4_VF },
++	{ PCI_VDEVICE(MELLANOX, 0x1004), MLX4_PCI_DEV_IS_VF },
+ 	{ PCI_VDEVICE(MELLANOX, 0x1005), 0 }, /* MT27510 Family */
+ 	{ PCI_VDEVICE(MELLANOX, 0x1006), 0 }, /* MT27511 Family */
+ 	{ PCI_VDEVICE(MELLANOX, 0x1007), 0 }, /* MT27520 Family */
+diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+index 2a0ff2cc7182..a3ef1dff163d 100644
+--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
++++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+@@ -711,6 +711,10 @@ struct mlx4_steer {
+ 	struct list_head steer_entries[MLX4_NUM_STEERS];
+ };
+ 
++enum {
++	MLX4_PCI_DEV_IS_VF              = 1 << 0,
++};
++
+ struct mlx4_priv {
+ 	struct mlx4_dev		dev;
+ 
+@@ -718,6 +722,9 @@ struct mlx4_priv {
+ 	struct list_head	ctx_list;
+ 	spinlock_t		ctx_lock;
+ 
++	int			pci_dev_data;
++	int                     removed;
++
+ 	struct list_head        pgdir_list;
+ 	struct mutex            pgdir_mutex;
+ 
+diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
+index 8f81805c6825..d16800f5168a 100644
+--- a/drivers/net/team/team.c
++++ b/drivers/net/team/team.c
+@@ -889,6 +889,7 @@ static int team_change_mtu(struct net_device *dev, int new_mtu)
+ 	 * to traverse list in reverse under rcu_read_lock
+ 	 */
+ 	mutex_lock(&team->lock);
++	team->port_mtu_change_allowed = true;
+ 	list_for_each_entry(port, &team->port_list, list) {
+ 		err = dev_set_mtu(port->dev, new_mtu);
+ 		if (err) {
+@@ -897,6 +898,7 @@ static int team_change_mtu(struct net_device *dev, int new_mtu)
+ 			goto unwind;
+ 		}
+ 	}
++	team->port_mtu_change_allowed = false;
+ 	mutex_unlock(&team->lock);
+ 
+ 	dev->mtu = new_mtu;
+@@ -906,6 +908,7 @@ static int team_change_mtu(struct net_device *dev, int new_mtu)
+ unwind:
+ 	list_for_each_entry_continue_reverse(port, &team->port_list, list)
+ 		dev_set_mtu(port->dev, dev->mtu);
++	team->port_mtu_change_allowed = false;
+ 	mutex_unlock(&team->lock);
+ 
+ 	return err;
+@@ -1671,7 +1674,9 @@ static int team_device_event(struct notifier_block *unused,
+ 		break;
+ 	case NETDEV_CHANGEMTU:
+ 		/* Forbid to change mtu of underlaying device */
+-		return NOTIFY_BAD;
++		if (!port->team->port_mtu_change_allowed)
++			return NOTIFY_BAD;
++		break;
+ 	case NETDEV_PRE_TYPE_CHANGE:
+ 		/* Forbid to change type of underlaying device */
+ 		return NOTIFY_BAD;
+diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c
+index b54f6ecf90d9..cbb04f37ec36 100644
+--- a/drivers/target/iscsi/iscsi_target_auth.c
++++ b/drivers/target/iscsi/iscsi_target_auth.c
+@@ -342,6 +342,16 @@ static int chap_server_compute_md5(
+ 		goto out;
+ 	}
+ 	/*
++	 * During mutual authentication, the CHAP_C generated by the
++	 * initiator must not match the original CHAP_C generated by
++	 * the target.
++	 */
++	if (!memcmp(challenge_binhex, chap->challenge, CHAP_CHALLENGE_LENGTH)) {
++		pr_err("initiator CHAP_C matches target CHAP_C, failing"
++		       " login attempt\n");
++		goto out;
++	}
++	/*
+ 	 * Generate CHAP_N and CHAP_R for mutual authentication.
+ 	 */
+ 	tfm = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC);
+diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
+index f509888b7ad0..2f2540ff21f6 100644
+--- a/drivers/usb/class/cdc-acm.c
++++ b/drivers/usb/class/cdc-acm.c
+@@ -123,13 +123,23 @@ static void acm_release_minor(struct acm *acm)
+ static int acm_ctrl_msg(struct acm *acm, int request, int value,
+ 							void *buf, int len)
+ {
+-	int retval = usb_control_msg(acm->dev, usb_sndctrlpipe(acm->dev, 0),
++	int retval;
++
++	retval = usb_autopm_get_interface(acm->control);
++	if (retval)
++		return retval;
++
++	retval = usb_control_msg(acm->dev, usb_sndctrlpipe(acm->dev, 0),
+ 		request, USB_RT_ACM, value,
+ 		acm->control->altsetting[0].desc.bInterfaceNumber,
+ 		buf, len, 5000);
++
+ 	dev_dbg(&acm->control->dev,
+ 			"%s - rq 0x%02x, val %#x, len %#x, result %d\n",
+ 			__func__, request, value, len, retval);
++
++	usb_autopm_put_interface(acm->control);
++
+ 	return retval < 0 ? retval : 0;
+ }
+ 
+@@ -234,12 +244,9 @@ static int acm_write_start(struct acm *acm, int wbn)
+ 							acm->susp_count);
+ 	usb_autopm_get_interface_async(acm->control);
+ 	if (acm->susp_count) {
+-		if (!acm->delayed_wb)
+-			acm->delayed_wb = wb;
+-		else
+-			usb_autopm_put_interface_async(acm->control);
++		usb_anchor_urb(wb->urb, &acm->delayed);
+ 		spin_unlock_irqrestore(&acm->write_lock, flags);
+-		return 0;	/* A white lie */
++		return 0;
+ 	}
+ 	usb_mark_last_busy(acm->dev);
+ 
+@@ -535,6 +542,7 @@ static int acm_port_activate(struct tty_port *port, struct tty_struct *tty)
+ {
+ 	struct acm *acm = container_of(port, struct acm, port);
+ 	int retval = -ENODEV;
++	int i;
+ 
+ 	dev_dbg(&acm->control->dev, "%s\n", __func__);
+ 
+@@ -583,6 +591,8 @@ static int acm_port_activate(struct tty_port *port, struct tty_struct *tty)
+ 	return 0;
+ 
+ error_submit_read_urbs:
++	for (i = 0; i < acm->rx_buflimit; i++)
++		usb_kill_urb(acm->read_urbs[i]);
+ 	acm->ctrlout = 0;
+ 	acm_set_control(acm, acm->ctrlout);
+ error_set_control:
+@@ -610,21 +620,35 @@ static void acm_port_destruct(struct tty_port *port)
+ static void acm_port_shutdown(struct tty_port *port)
+ {
+ 	struct acm *acm = container_of(port, struct acm, port);
++	struct urb *urb;
++	struct acm_wb *wb;
+ 	int i;
++	int pm_err;
+ 
+ 	dev_dbg(&acm->control->dev, "%s\n", __func__);
+ 
+ 	mutex_lock(&acm->mutex);
+ 	if (!acm->disconnected) {
+-		usb_autopm_get_interface(acm->control);
++		pm_err = usb_autopm_get_interface(acm->control);
+ 		acm_set_control(acm, acm->ctrlout = 0);
++
++		for (;;) {
++			urb = usb_get_from_anchor(&acm->delayed);
++			if (!urb)
++				break;
++			wb = urb->context;
++			wb->use = 0;
++			usb_autopm_put_interface_async(acm->control);
++		}
++
+ 		usb_kill_urb(acm->ctrlurb);
+ 		for (i = 0; i < ACM_NW; i++)
+ 			usb_kill_urb(acm->wb[i].urb);
+ 		for (i = 0; i < acm->rx_buflimit; i++)
+ 			usb_kill_urb(acm->read_urbs[i]);
+ 		acm->control->needs_remote_wakeup = 0;
+-		usb_autopm_put_interface(acm->control);
++		if (!pm_err)
++			usb_autopm_put_interface(acm->control);
+ 	}
+ 	mutex_unlock(&acm->mutex);
+ }
+@@ -1211,6 +1235,7 @@ made_compressed_probe:
+ 		acm->bInterval = epread->bInterval;
+ 	tty_port_init(&acm->port);
+ 	acm->port.ops = &acm_port_ops;
++	init_usb_anchor(&acm->delayed);
+ 
+ 	buf = usb_alloc_coherent(usb_dev, ctrlsize, GFP_KERNEL, &acm->ctrl_dma);
+ 	if (!buf) {
+@@ -1441,18 +1466,15 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message)
+ 	struct acm *acm = usb_get_intfdata(intf);
+ 	int cnt;
+ 
++	spin_lock_irq(&acm->read_lock);
++	spin_lock(&acm->write_lock);
+ 	if (PMSG_IS_AUTO(message)) {
+-		int b;
+-
+-		spin_lock_irq(&acm->write_lock);
+-		b = acm->transmitting;
+-		spin_unlock_irq(&acm->write_lock);
+-		if (b)
++		if (acm->transmitting) {
++			spin_unlock(&acm->write_lock);
++			spin_unlock_irq(&acm->read_lock);
+ 			return -EBUSY;
++		}
+ 	}
+-
+-	spin_lock_irq(&acm->read_lock);
+-	spin_lock(&acm->write_lock);
+ 	cnt = acm->susp_count++;
+ 	spin_unlock(&acm->write_lock);
+ 	spin_unlock_irq(&acm->read_lock);
+@@ -1460,8 +1482,7 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message)
+ 	if (cnt)
+ 		return 0;
+ 
+-	if (test_bit(ASYNCB_INITIALIZED, &acm->port.flags))
+-		stop_data_traffic(acm);
++	stop_data_traffic(acm);
+ 
+ 	return 0;
+ }
+@@ -1469,29 +1490,24 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message)
+ static int acm_resume(struct usb_interface *intf)
+ {
+ 	struct acm *acm = usb_get_intfdata(intf);
+-	struct acm_wb *wb;
++	struct urb *urb;
+ 	int rv = 0;
+-	int cnt;
+ 
+ 	spin_lock_irq(&acm->read_lock);
+-	acm->susp_count -= 1;
+-	cnt = acm->susp_count;
+-	spin_unlock_irq(&acm->read_lock);
++	spin_lock(&acm->write_lock);
+ 
+-	if (cnt)
+-		return 0;
++	if (--acm->susp_count)
++		goto out;
+ 
+ 	if (test_bit(ASYNCB_INITIALIZED, &acm->port.flags)) {
+-		rv = usb_submit_urb(acm->ctrlurb, GFP_NOIO);
+-
+-		spin_lock_irq(&acm->write_lock);
+-		if (acm->delayed_wb) {
+-			wb = acm->delayed_wb;
+-			acm->delayed_wb = NULL;
+-			spin_unlock_irq(&acm->write_lock);
+-			acm_start_wb(acm, wb);
+-		} else {
+-			spin_unlock_irq(&acm->write_lock);
++		rv = usb_submit_urb(acm->ctrlurb, GFP_ATOMIC);
++
++		for (;;) {
++			urb = usb_get_from_anchor(&acm->delayed);
++			if (!urb)
++				break;
++
++			acm_start_wb(acm, urb->context);
+ 		}
+ 
+ 		/*
+@@ -1499,12 +1515,14 @@ static int acm_resume(struct usb_interface *intf)
+ 		 * do the write path at all cost
+ 		 */
+ 		if (rv < 0)
+-			goto err_out;
++			goto out;
+ 
+-		rv = acm_submit_read_urbs(acm, GFP_NOIO);
++		rv = acm_submit_read_urbs(acm, GFP_ATOMIC);
+ 	}
++out:
++	spin_unlock(&acm->write_lock);
++	spin_unlock_irq(&acm->read_lock);
+ 
+-err_out:
+ 	return rv;
+ }
+ 
+diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
+index 35ef887b7417..96147806b9a4 100644
+--- a/drivers/usb/class/cdc-acm.h
++++ b/drivers/usb/class/cdc-acm.h
+@@ -117,7 +117,7 @@ struct acm {
+ 	unsigned int throttled:1;			/* actually throttled */
+ 	unsigned int throttle_req:1;			/* throttle requested */
+ 	u8 bInterval;
+-	struct acm_wb *delayed_wb;			/* write queued for a device about to be woken */
++	struct usb_anchor delayed;			/* writes queued for a device about to be woken */
+ };
+ 
+ #define CDC_DATA_INTERFACE_TYPE	0x0a
+diff --git a/include/linux/if_team.h b/include/linux/if_team.h
+index 58404b0c5010..b159b10d915d 100644
+--- a/include/linux/if_team.h
++++ b/include/linux/if_team.h
+@@ -113,6 +113,7 @@ struct team {
+ 
+ 	const struct team_mode *mode;
+ 	struct team_mode_ops ops;
++	bool port_mtu_change_allowed;
+ 	long mode_priv[TEAM_MODE_PRIV_LONGS];
+ };
+ 
+diff --git a/include/linux/lzo.h b/include/linux/lzo.h
+index d793497ec1ca..a0848d9377e5 100644
+--- a/include/linux/lzo.h
++++ b/include/linux/lzo.h
+@@ -4,28 +4,28 @@
+  *  LZO Public Kernel Interface
+  *  A mini subset of the LZO real-time data compression library
+  *
+- *  Copyright (C) 1996-2005 Markus F.X.J. Oberhumer <markus@×××××××××.com>
++ *  Copyright (C) 1996-2012 Markus F.X.J. Oberhumer <markus@×××××××××.com>
+  *
+  *  The full LZO package can be found at:
+  *  http://www.oberhumer.com/opensource/lzo/
+  *
+- *  Changed for kernel use by:
++ *  Changed for Linux kernel use by:
+  *  Nitin Gupta <nitingupta910@×××××.com>
+  *  Richard Purdie <rpurdie@××××××××××.com>
+  */
+ 
+-#define LZO1X_MEM_COMPRESS	(16384 * sizeof(unsigned char *))
+-#define LZO1X_1_MEM_COMPRESS	LZO1X_MEM_COMPRESS
++#define LZO1X_1_MEM_COMPRESS	(8192 * sizeof(unsigned short))
++#define LZO1X_MEM_COMPRESS	LZO1X_1_MEM_COMPRESS
+ 
+ #define lzo1x_worst_compress(x) ((x) + ((x) / 16) + 64 + 3)
+ 
+-/* This requires 'workmem' of size LZO1X_1_MEM_COMPRESS */
++/* This requires 'wrkmem' of size LZO1X_1_MEM_COMPRESS */
+ int lzo1x_1_compress(const unsigned char *src, size_t src_len,
+-			unsigned char *dst, size_t *dst_len, void *wrkmem);
++		     unsigned char *dst, size_t *dst_len, void *wrkmem);
+ 
+ /* safe decompression with overrun testing */
+ int lzo1x_decompress_safe(const unsigned char *src, size_t src_len,
+-			unsigned char *dst, size_t *dst_len);
++			  unsigned char *dst, size_t *dst_len);
+ 
+ /*
+  * Return values (< 0 = Error)
+@@ -40,5 +40,6 @@ int lzo1x_decompress_safe(const unsigned char *src, size_t src_len,
+ #define LZO_E_EOF_NOT_FOUND		(-7)
+ #define LZO_E_INPUT_NOT_CONSUMED	(-8)
+ #define LZO_E_NOT_YET_IMPLEMENTED	(-9)
++#define LZO_E_INVALID_ARGUMENT		(-10)
+ 
+ #endif
+diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
+index 2040bff945d4..2d643649f0f8 100644
+--- a/include/net/inetpeer.h
++++ b/include/net/inetpeer.h
+@@ -114,16 +114,9 @@ static inline void inet_peer_refcheck(const struct inet_peer *p)
+ /* can be called with or without local BH being disabled */
+ static inline int inet_getid(struct inet_peer *p, int more)
+ {
+-	int old, new;
+ 	more++;
+ 	inet_peer_refcheck(p);
+-	do {
+-		old = atomic_read(&p->ip_id_count);
+-		new = old + more;
+-		if (!new)
+-			new = 1;
+-	} while (atomic_cmpxchg(&p->ip_id_count, old, new) != old);
+-	return new;
++	return atomic_add_return(more, &p->ip_id_count) - more;
+ }
+ 
+ #endif /* _NET_INETPEER_H */
+diff --git a/include/sound/core.h b/include/sound/core.h
+index 93896ad1fcdd..8d29d28d3696 100644
+--- a/include/sound/core.h
++++ b/include/sound/core.h
+@@ -120,6 +120,8 @@ struct snd_card {
+ 	int user_ctl_count;		/* count of all user controls */
+ 	struct list_head controls;	/* all controls for this card */
+ 	struct list_head ctl_files;	/* active control files */
++	struct mutex user_ctl_lock;	/* protects user controls against
++					   concurrent access */
+ 
+ 	struct snd_info_entry *proc_root;	/* root for soundcard specific files */
+ 	struct snd_info_entry *proc_id;	/* the card id */
+diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
+index 638dadf6295f..67106f88dca1 100644
+--- a/kernel/time/tick-sched.c
++++ b/kernel/time/tick-sched.c
+@@ -296,8 +296,10 @@ static void tick_nohz_stop_sched_tick(struct tick_sched *ts)
+ 			tick_do_timer_cpu = TICK_DO_TIMER_NONE;
+ 	}
+ 
+-	if (unlikely(ts->nohz_mode == NOHZ_MODE_INACTIVE))
++	if (unlikely(ts->nohz_mode == NOHZ_MODE_INACTIVE)) {
++		ts->sleep_length = (ktime_t) { .tv64 = NSEC_PER_SEC/HZ };
+ 		return;
++	}
+ 
+ 	if (need_resched())
+ 		return;
+diff --git a/lib/decompress_unlzo.c b/lib/decompress_unlzo.c
+index 4531294fa62f..960183d4258f 100644
+--- a/lib/decompress_unlzo.c
++++ b/lib/decompress_unlzo.c
+@@ -31,7 +31,7 @@
+  */
+ 
+ #ifdef STATIC
+-#include "lzo/lzo1x_decompress.c"
++#include "lzo/lzo1x_decompress_safe.c"
+ #else
+ #include <linux/decompress/unlzo.h>
+ #endif
+diff --git a/lib/lzo/Makefile b/lib/lzo/Makefile
+index e764116ea12d..f0f7d7ca2b83 100644
+--- a/lib/lzo/Makefile
++++ b/lib/lzo/Makefile
+@@ -1,5 +1,5 @@
+ lzo_compress-objs := lzo1x_compress.o
+-lzo_decompress-objs := lzo1x_decompress.o
++lzo_decompress-objs := lzo1x_decompress_safe.o
+ 
+ obj-$(CONFIG_LZO_COMPRESS) += lzo_compress.o
+ obj-$(CONFIG_LZO_DECOMPRESS) += lzo_decompress.o
+diff --git a/lib/lzo/lzo1x_compress.c b/lib/lzo/lzo1x_compress.c
+index a6040990a62e..236eb21167b5 100644
+--- a/lib/lzo/lzo1x_compress.c
++++ b/lib/lzo/lzo1x_compress.c
+@@ -1,194 +1,243 @@
+ /*
+- *  LZO1X Compressor from MiniLZO
++ *  LZO1X Compressor from LZO
+  *
+- *  Copyright (C) 1996-2005 Markus F.X.J. Oberhumer <markus@×××××××××.com>
++ *  Copyright (C) 1996-2012 Markus F.X.J. Oberhumer <markus@×××××××××.com>
+  *
+  *  The full LZO package can be found at:
+  *  http://www.oberhumer.com/opensource/lzo/
+  *
+- *  Changed for kernel use by:
++ *  Changed for Linux kernel use by:
+  *  Nitin Gupta <nitingupta910@×××××.com>
+  *  Richard Purdie <rpurdie@××××××××××.com>
+  */
+ 
+ #include <linux/module.h>
+ #include <linux/kernel.h>
+-#include <linux/lzo.h>
+ #include <asm/unaligned.h>
++#include <linux/lzo.h>
+ #include "lzodefs.h"
+ 
+ static noinline size_t
+-_lzo1x_1_do_compress(const unsigned char *in, size_t in_len,
+-		unsigned char *out, size_t *out_len, void *wrkmem)
++lzo1x_1_do_compress(const unsigned char *in, size_t in_len,
++		    unsigned char *out, size_t *out_len,
++		    size_t ti, void *wrkmem)
+ {
++	const unsigned char *ip;
++	unsigned char *op;
+ 	const unsigned char * const in_end = in + in_len;
+-	const unsigned char * const ip_end = in + in_len - M2_MAX_LEN - 5;
+-	const unsigned char ** const dict = wrkmem;
+-	const unsigned char *ip = in, *ii = ip;
+-	const unsigned char *end, *m, *m_pos;
+-	size_t m_off, m_len, dindex;
+-	unsigned char *op = out;
++	const unsigned char * const ip_end = in + in_len - 20;
++	const unsigned char *ii;
++	lzo_dict_t * const dict = (lzo_dict_t *) wrkmem;
+ 
+-	ip += 4;
++	op = out;
++	ip = in;
++	ii = ip;
++	ip += ti < 4 ? 4 - ti : 0;
+ 
+ 	for (;;) {
+-		dindex = ((size_t)(0x21 * DX3(ip, 5, 5, 6)) >> 5) & D_MASK;
+-		m_pos = dict[dindex];
+-
+-		if (m_pos < in)
+-			goto literal;
+-
+-		if (ip == m_pos || ((size_t)(ip - m_pos) > M4_MAX_OFFSET))
+-			goto literal;
+-
+-		m_off = ip - m_pos;
+-		if (m_off <= M2_MAX_OFFSET || m_pos[3] == ip[3])
+-			goto try_match;
+-
+-		dindex = (dindex & (D_MASK & 0x7ff)) ^ (D_HIGH | 0x1f);
+-		m_pos = dict[dindex];
+-
+-		if (m_pos < in)
+-			goto literal;
+-
+-		if (ip == m_pos || ((size_t)(ip - m_pos) > M4_MAX_OFFSET))
+-			goto literal;
+-
+-		m_off = ip - m_pos;
+-		if (m_off <= M2_MAX_OFFSET || m_pos[3] == ip[3])
+-			goto try_match;
+-
+-		goto literal;
+-
+-try_match:
+-		if (get_unaligned((const unsigned short *)m_pos)
+-				== get_unaligned((const unsigned short *)ip)) {
+-			if (likely(m_pos[2] == ip[2]))
+-					goto match;
+-		}
+-
++		const unsigned char *m_pos;
++		size_t t, m_len, m_off;
++		u32 dv;
+ literal:
+-		dict[dindex] = ip;
+-		++ip;
++		ip += 1 + ((ip - ii) >> 5);
++next:
+ 		if (unlikely(ip >= ip_end))
+ 			break;
+-		continue;
+-
+-match:
+-		dict[dindex] = ip;
+-		if (ip != ii) {
+-			size_t t = ip - ii;
++		dv = get_unaligned_le32(ip);
++		t = ((dv * 0x1824429d) >> (32 - D_BITS)) & D_MASK;
++		m_pos = in + dict[t];
++		dict[t] = (lzo_dict_t) (ip - in);
++		if (unlikely(dv != get_unaligned_le32(m_pos)))
++			goto literal;
+ 
++		ii -= ti;
++		ti = 0;
++		t = ip - ii;
++		if (t != 0) {
+ 			if (t <= 3) {
+ 				op[-2] |= t;
+-			} else if (t <= 18) {
++				COPY4(op, ii);
++				op += t;
++			} else if (t <= 16) {
+ 				*op++ = (t - 3);
++				COPY8(op, ii);
++				COPY8(op + 8, ii + 8);
++				op += t;
+ 			} else {
+-				size_t tt = t - 18;
+-
+-				*op++ = 0;
+-				while (tt > 255) {
+-					tt -= 255;
++				if (t <= 18) {
++					*op++ = (t - 3);
++				} else {
++					size_t tt = t - 18;
+ 					*op++ = 0;
++					while (unlikely(tt > 255)) {
++						tt -= 255;
++						*op++ = 0;
++					}
++					*op++ = tt;
+ 				}
+-				*op++ = tt;
++				do {
++					COPY8(op, ii);
++					COPY8(op + 8, ii + 8);
++					op += 16;
++					ii += 16;
++					t -= 16;
++				} while (t >= 16);
++				if (t > 0) do {
++					*op++ = *ii++;
++				} while (--t > 0);
+ 			}
+-			do {
+-				*op++ = *ii++;
+-			} while (--t > 0);
+ 		}
+ 
+-		ip += 3;
+-		if (m_pos[3] != *ip++ || m_pos[4] != *ip++
+-				|| m_pos[5] != *ip++ || m_pos[6] != *ip++
+-				|| m_pos[7] != *ip++ || m_pos[8] != *ip++) {
+-			--ip;
+-			m_len = ip - ii;
++		m_len = 4;
++		{
++#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && defined(LZO_USE_CTZ64)
++		u64 v;
++		v = get_unaligned((const u64 *) (ip + m_len)) ^
++		    get_unaligned((const u64 *) (m_pos + m_len));
++		if (unlikely(v == 0)) {
++			do {
++				m_len += 8;
++				v = get_unaligned((const u64 *) (ip + m_len)) ^
++				    get_unaligned((const u64 *) (m_pos + m_len));
++				if (unlikely(ip + m_len >= ip_end))
++					goto m_len_done;
++			} while (v == 0);
++		}
++#  if defined(__LITTLE_ENDIAN)
++		m_len += (unsigned) __builtin_ctzll(v) / 8;
++#  elif defined(__BIG_ENDIAN)
++		m_len += (unsigned) __builtin_clzll(v) / 8;
++#  else
++#    error "missing endian definition"
++#  endif
++#elif defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && defined(LZO_USE_CTZ32)
++		u32 v;
++		v = get_unaligned((const u32 *) (ip + m_len)) ^
++		    get_unaligned((const u32 *) (m_pos + m_len));
++		if (unlikely(v == 0)) {
++			do {
++				m_len += 4;
++				v = get_unaligned((const u32 *) (ip + m_len)) ^
++				    get_unaligned((const u32 *) (m_pos + m_len));
++				if (v != 0)
++					break;
++				m_len += 4;
++				v = get_unaligned((const u32 *) (ip + m_len)) ^
++				    get_unaligned((const u32 *) (m_pos + m_len));
++				if (unlikely(ip + m_len >= ip_end))
++					goto m_len_done;
++			} while (v == 0);
++		}
++#  if defined(__LITTLE_ENDIAN)
++		m_len += (unsigned) __builtin_ctz(v) / 8;
++#  elif defined(__BIG_ENDIAN)
++		m_len += (unsigned) __builtin_clz(v) / 8;
++#  else
++#    error "missing endian definition"
++#  endif
++#else
++		if (unlikely(ip[m_len] == m_pos[m_len])) {
++			do {
++				m_len += 1;
++				if (ip[m_len] != m_pos[m_len])
++					break;
++				m_len += 1;
++				if (ip[m_len] != m_pos[m_len])
++					break;
++				m_len += 1;
++				if (ip[m_len] != m_pos[m_len])
++					break;
++				m_len += 1;
++				if (ip[m_len] != m_pos[m_len])
++					break;
++				m_len += 1;
++				if (ip[m_len] != m_pos[m_len])
++					break;
++				m_len += 1;
++				if (ip[m_len] != m_pos[m_len])
++					break;
++				m_len += 1;
++				if (ip[m_len] != m_pos[m_len])
++					break;
++				m_len += 1;
++				if (unlikely(ip + m_len >= ip_end))
++					goto m_len_done;
++			} while (ip[m_len] == m_pos[m_len]);
++		}
++#endif
++		}
++m_len_done:
+ 
+-			if (m_off <= M2_MAX_OFFSET) {
+-				m_off -= 1;
+-				*op++ = (((m_len - 1) << 5)
+-						| ((m_off & 7) << 2));
+-				*op++ = (m_off >> 3);
+-			} else if (m_off <= M3_MAX_OFFSET) {
+-				m_off -= 1;
++		m_off = ip - m_pos;
++		ip += m_len;
++		ii = ip;
++		if (m_len <= M2_MAX_LEN && m_off <= M2_MAX_OFFSET) {
++			m_off -= 1;
++			*op++ = (((m_len - 1) << 5) | ((m_off & 7) << 2));
++			*op++ = (m_off >> 3);
++		} else if (m_off <= M3_MAX_OFFSET) {
++			m_off -= 1;
++			if (m_len <= M3_MAX_LEN)
+ 				*op++ = (M3_MARKER | (m_len - 2));
+-				goto m3_m4_offset;
+-			} else {
+-				m_off -= 0x4000;
+-
+-				*op++ = (M4_MARKER | ((m_off & 0x4000) >> 11)
+-						| (m_len - 2));
+-				goto m3_m4_offset;
++			else {
++				m_len -= M3_MAX_LEN;
++				*op++ = M3_MARKER | 0;
++				while (unlikely(m_len > 255)) {
++					m_len -= 255;
++					*op++ = 0;
++				}
++				*op++ = (m_len);
+ 			}
++			*op++ = (m_off << 2);
++			*op++ = (m_off >> 6);
+ 		} else {
+-			end = in_end;
+-			m = m_pos + M2_MAX_LEN + 1;
+-
+-			while (ip < end && *m == *ip) {
+-				m++;
+-				ip++;
+-			}
+-			m_len = ip - ii;
+-
+-			if (m_off <= M3_MAX_OFFSET) {
+-				m_off -= 1;
+-				if (m_len <= 33) {
+-					*op++ = (M3_MARKER | (m_len - 2));
+-				} else {
+-					m_len -= 33;
+-					*op++ = M3_MARKER | 0;
+-					goto m3_m4_len;
+-				}
+-			} else {
+-				m_off -= 0x4000;
+-				if (m_len <= M4_MAX_LEN) {
+-					*op++ = (M4_MARKER
+-						| ((m_off & 0x4000) >> 11)
++			m_off -= 0x4000;
++			if (m_len <= M4_MAX_LEN)
++				*op++ = (M4_MARKER | ((m_off >> 11) & 8)
+ 						| (m_len - 2));
+-				} else {
+-					m_len -= M4_MAX_LEN;
+-					*op++ = (M4_MARKER
+-						| ((m_off & 0x4000) >> 11));
+-m3_m4_len:
+-					while (m_len > 255) {
+-						m_len -= 255;
+-						*op++ = 0;
+-					}
+-
+-					*op++ = (m_len);
++			else {
++				m_len -= M4_MAX_LEN;
++				*op++ = (M4_MARKER | ((m_off >> 11) & 8));
++				while (unlikely(m_len > 255)) {
++					m_len -= 255;
++					*op++ = 0;
+ 				}
++				*op++ = (m_len);
+ 			}
+-m3_m4_offset:
+-			*op++ = ((m_off & 63) << 2);
++			*op++ = (m_off << 2);
+ 			*op++ = (m_off >> 6);
+ 		}
+-
+-		ii = ip;
+-		if (unlikely(ip >= ip_end))
+-			break;
++		goto next;
+ 	}
+-
+ 	*out_len = op - out;
+-	return in_end - ii;
++	return in_end - (ii - ti);
+ }
+ 
+-int lzo1x_1_compress(const unsigned char *in, size_t in_len, unsigned char *out,
+-			size_t *out_len, void *wrkmem)
++int lzo1x_1_compress(const unsigned char *in, size_t in_len,
++		     unsigned char *out, size_t *out_len,
++		     void *wrkmem)
+ {
+-	const unsigned char *ii;
++	const unsigned char *ip = in;
+ 	unsigned char *op = out;
+-	size_t t;
++	size_t l = in_len;
++	size_t t = 0;
+ 
+-	if (unlikely(in_len <= M2_MAX_LEN + 5)) {
+-		t = in_len;
+-	} else {
+-		t = _lzo1x_1_do_compress(in, in_len, op, out_len, wrkmem);
++	while (l > 20) {
++		size_t ll = l <= (M4_MAX_OFFSET + 1) ? l : (M4_MAX_OFFSET + 1);
++		uintptr_t ll_end = (uintptr_t) ip + ll;
++		if ((ll_end + ((t + ll) >> 5)) <= ll_end)
++			break;
++		BUILD_BUG_ON(D_SIZE * sizeof(lzo_dict_t) > LZO1X_1_MEM_COMPRESS);
++		memset(wrkmem, 0, D_SIZE * sizeof(lzo_dict_t));
++		t = lzo1x_1_do_compress(ip, ll, op, out_len, t, wrkmem);
++		ip += ll;
+ 		op += *out_len;
++		l  -= ll;
+ 	}
++	t += l;
+ 
+ 	if (t > 0) {
+-		ii = in + in_len - t;
++		const unsigned char *ii = in + in_len - t;
+ 
+ 		if (op == out && t <= 238) {
+ 			*op++ = (17 + t);
+@@ -198,16 +247,21 @@ int lzo1x_1_compress(const unsigned char *in, size_t in_len, unsigned char *out,
+ 			*op++ = (t - 3);
+ 		} else {
+ 			size_t tt = t - 18;
+-
+ 			*op++ = 0;
+ 			while (tt > 255) {
+ 				tt -= 255;
+ 				*op++ = 0;
+ 			}
+-
+ 			*op++ = tt;
+ 		}
+-		do {
++		if (t >= 16) do {
++			COPY8(op, ii);
++			COPY8(op + 8, ii + 8);
++			op += 16;
++			ii += 16;
++			t -= 16;
++		} while (t >= 16);
++		if (t > 0) do {
+ 			*op++ = *ii++;
+ 		} while (--t > 0);
+ 	}
+@@ -223,4 +277,3 @@ EXPORT_SYMBOL_GPL(lzo1x_1_compress);
+ 
+ MODULE_LICENSE("GPL");
+ MODULE_DESCRIPTION("LZO1X-1 Compressor");
+-
+diff --git a/lib/lzo/lzo1x_decompress.c b/lib/lzo/lzo1x_decompress.c
+deleted file mode 100644
+index f2fd09850223..000000000000
+--- a/lib/lzo/lzo1x_decompress.c
++++ /dev/null
+@@ -1,255 +0,0 @@
+-/*
+- *  LZO1X Decompressor from MiniLZO
+- *
+- *  Copyright (C) 1996-2005 Markus F.X.J. Oberhumer <markus@×××××××××.com>
+- *
+- *  The full LZO package can be found at:
+- *  http://www.oberhumer.com/opensource/lzo/
+- *
+- *  Changed for kernel use by:
+- *  Nitin Gupta <nitingupta910@×××××.com>
+- *  Richard Purdie <rpurdie@××××××××××.com>
+- */
+-
+-#ifndef STATIC
+-#include <linux/module.h>
+-#include <linux/kernel.h>
+-#endif
+-
+-#include <asm/unaligned.h>
+-#include <linux/lzo.h>
+-#include "lzodefs.h"
+-
+-#define HAVE_IP(x, ip_end, ip) ((size_t)(ip_end - ip) < (x))
+-#define HAVE_OP(x, op_end, op) ((size_t)(op_end - op) < (x))
+-#define HAVE_LB(m_pos, out, op) (m_pos < out || m_pos >= op)
+-
+-#define COPY4(dst, src)	\
+-		put_unaligned(get_unaligned((const u32 *)(src)), (u32 *)(dst))
+-
+-int lzo1x_decompress_safe(const unsigned char *in, size_t in_len,
+-			unsigned char *out, size_t *out_len)
+-{
+-	const unsigned char * const ip_end = in + in_len;
+-	unsigned char * const op_end = out + *out_len;
+-	const unsigned char *ip = in, *m_pos;
+-	unsigned char *op = out;
+-	size_t t;
+-
+-	*out_len = 0;
+-
+-	if (*ip > 17) {
+-		t = *ip++ - 17;
+-		if (t < 4)
+-			goto match_next;
+-		if (HAVE_OP(t, op_end, op))
+-			goto output_overrun;
+-		if (HAVE_IP(t + 1, ip_end, ip))
+-			goto input_overrun;
+-		do {
+-			*op++ = *ip++;
+-		} while (--t > 0);
+-		goto first_literal_run;
+-	}
+-
+-	while ((ip < ip_end)) {
+-		t = *ip++;
+-		if (t >= 16)
+-			goto match;
+-		if (t == 0) {
+-			if (HAVE_IP(1, ip_end, ip))
+-				goto input_overrun;
+-			while (*ip == 0) {
+-				t += 255;
+-				ip++;
+-				if (HAVE_IP(1, ip_end, ip))
+-					goto input_overrun;
+-			}
+-			t += 15 + *ip++;
+-		}
+-		if (HAVE_OP(t + 3, op_end, op))
+-			goto output_overrun;
+-		if (HAVE_IP(t + 4, ip_end, ip))
+-			goto input_overrun;
+-
+-		COPY4(op, ip);
+-		op += 4;
+-		ip += 4;
+-		if (--t > 0) {
+-			if (t >= 4) {
+-				do {
+-					COPY4(op, ip);
+-					op += 4;
+-					ip += 4;
+-					t -= 4;
+-				} while (t >= 4);
+-				if (t > 0) {
+-					do {
+-						*op++ = *ip++;
+-					} while (--t > 0);
+-				}
+-			} else {
+-				do {
+-					*op++ = *ip++;
+-				} while (--t > 0);
+-			}
+-		}
+-
+-first_literal_run:
+-		t = *ip++;
+-		if (t >= 16)
+-			goto match;
+-		m_pos = op - (1 + M2_MAX_OFFSET);
+-		m_pos -= t >> 2;
+-		m_pos -= *ip++ << 2;
+-
+-		if (HAVE_LB(m_pos, out, op))
+-			goto lookbehind_overrun;
+-
+-		if (HAVE_OP(3, op_end, op))
+-			goto output_overrun;
+-		*op++ = *m_pos++;
+-		*op++ = *m_pos++;
+-		*op++ = *m_pos;
+-
+-		goto match_done;
+-
+-		do {
+-match:
+-			if (t >= 64) {
+-				m_pos = op - 1;
+-				m_pos -= (t >> 2) & 7;
+-				m_pos -= *ip++ << 3;
+-				t = (t >> 5) - 1;
+-				if (HAVE_LB(m_pos, out, op))
+-					goto lookbehind_overrun;
+-				if (HAVE_OP(t + 3 - 1, op_end, op))
+-					goto output_overrun;
+-				goto copy_match;
+-			} else if (t >= 32) {
+-				t &= 31;
+-				if (t == 0) {
+-					if (HAVE_IP(1, ip_end, ip))
+-						goto input_overrun;
+-					while (*ip == 0) {
+-						t += 255;
+-						ip++;
+-						if (HAVE_IP(1, ip_end, ip))
+-							goto input_overrun;
+-					}
+-					t += 31 + *ip++;
+-				}
+-				m_pos = op - 1;
+-				m_pos -= get_unaligned_le16(ip) >> 2;
+-				ip += 2;
+-			} else if (t >= 16) {
+-				m_pos = op;
+-				m_pos -= (t & 8) << 11;
+-
+-				t &= 7;
+-				if (t == 0) {
+-					if (HAVE_IP(1, ip_end, ip))
+-						goto input_overrun;
+-					while (*ip == 0) {
+-						t += 255;
+-						ip++;
+-						if (HAVE_IP(1, ip_end, ip))
+-							goto input_overrun;
+-					}
+-					t += 7 + *ip++;
+-				}
+-				m_pos -= get_unaligned_le16(ip) >> 2;
+-				ip += 2;
+-				if (m_pos == op)
+-					goto eof_found;
+-				m_pos -= 0x4000;
+-			} else {
+-				m_pos = op - 1;
+-				m_pos -= t >> 2;
+-				m_pos -= *ip++ << 2;
+-
+-				if (HAVE_LB(m_pos, out, op))
+-					goto lookbehind_overrun;
+-				if (HAVE_OP(2, op_end, op))
+-					goto output_overrun;
+-
+-				*op++ = *m_pos++;
+-				*op++ = *m_pos;
+-				goto match_done;
+-			}
+-
+-			if (HAVE_LB(m_pos, out, op))
+-				goto lookbehind_overrun;
+-			if (HAVE_OP(t + 3 - 1, op_end, op))
+-				goto output_overrun;
+-
+-			if (t >= 2 * 4 - (3 - 1) && (op - m_pos) >= 4) {
+-				COPY4(op, m_pos);
+-				op += 4;
+-				m_pos += 4;
+-				t -= 4 - (3 - 1);
+-				do {
+-					COPY4(op, m_pos);
+-					op += 4;
+-					m_pos += 4;
+-					t -= 4;
+-				} while (t >= 4);
+-				if (t > 0)
+-					do {
+-						*op++ = *m_pos++;
+-					} while (--t > 0);
+-			} else {
+-copy_match:
+-				*op++ = *m_pos++;
+-				*op++ = *m_pos++;
+-				do {
+-					*op++ = *m_pos++;
+-				} while (--t > 0);
+-			}
+-match_done:
+-			t = ip[-2] & 3;
+-			if (t == 0)
+-				break;
+-match_next:
+-			if (HAVE_OP(t, op_end, op))
+-				goto output_overrun;
+-			if (HAVE_IP(t + 1, ip_end, ip))
+-				goto input_overrun;
+-
+-			*op++ = *ip++;
+-			if (t > 1) {
+-				*op++ = *ip++;
+-				if (t > 2)
+-					*op++ = *ip++;
+-			}
+-
+-			t = *ip++;
+-		} while (ip < ip_end);
+-	}
+-
+-	*out_len = op - out;
+-	return LZO_E_EOF_NOT_FOUND;
+-
+-eof_found:
+-	*out_len = op - out;
+-	return (ip == ip_end ? LZO_E_OK :
+-		(ip < ip_end ? LZO_E_INPUT_NOT_CONSUMED : LZO_E_INPUT_OVERRUN));
+-input_overrun:
+-	*out_len = op - out;
+-	return LZO_E_INPUT_OVERRUN;
+-
+-output_overrun:
+-	*out_len = op - out;
+-	return LZO_E_OUTPUT_OVERRUN;
+-
+-lookbehind_overrun:
+-	*out_len = op - out;
+-	return LZO_E_LOOKBEHIND_OVERRUN;
+-}
+-#ifndef STATIC
+-EXPORT_SYMBOL_GPL(lzo1x_decompress_safe);
+-
+-MODULE_LICENSE("GPL");
+-MODULE_DESCRIPTION("LZO1X Decompressor");
+-
+-#endif
+diff --git a/lib/lzo/lzo1x_decompress_safe.c b/lib/lzo/lzo1x_decompress_safe.c
+new file mode 100644
+index 000000000000..8563081e8da3
+--- /dev/null
++++ b/lib/lzo/lzo1x_decompress_safe.c
+@@ -0,0 +1,257 @@
++/*
++ *  LZO1X Decompressor from LZO
++ *
++ *  Copyright (C) 1996-2012 Markus F.X.J. Oberhumer <markus@×××××××××.com>
++ *
++ *  The full LZO package can be found at:
++ *  http://www.oberhumer.com/opensource/lzo/
++ *
++ *  Changed for Linux kernel use by:
++ *  Nitin Gupta <nitingupta910@×××××.com>
++ *  Richard Purdie <rpurdie@××××××××××.com>
++ */
++
++#ifndef STATIC
++#include <linux/module.h>
++#include <linux/kernel.h>
++#endif
++#include <asm/unaligned.h>
++#include <linux/lzo.h>
++#include "lzodefs.h"
++
++#define HAVE_IP(t, x)					\
++	(((size_t)(ip_end - ip) >= (size_t)(t + x)) &&	\
++	 (((t + x) >= t) && ((t + x) >= x)))
++
++#define HAVE_OP(t, x)					\
++	(((size_t)(op_end - op) >= (size_t)(t + x)) &&	\
++	 (((t + x) >= t) && ((t + x) >= x)))
++
++#define NEED_IP(t, x)					\
++	do {						\
++		if (!HAVE_IP(t, x))			\
++			goto input_overrun;		\
++	} while (0)
++
++#define NEED_OP(t, x)					\
++	do {						\
++		if (!HAVE_OP(t, x))			\
++			goto output_overrun;		\
++	} while (0)
++
++#define TEST_LB(m_pos)					\
++	do {						\
++		if ((m_pos) < out)			\
++			goto lookbehind_overrun;	\
++	} while (0)
++
++int lzo1x_decompress_safe(const unsigned char *in, size_t in_len,
++			  unsigned char *out, size_t *out_len)
++{
++	unsigned char *op;
++	const unsigned char *ip;
++	size_t t, next;
++	size_t state = 0;
++	const unsigned char *m_pos;
++	const unsigned char * const ip_end = in + in_len;
++	unsigned char * const op_end = out + *out_len;
++
++	op = out;
++	ip = in;
++
++	if (unlikely(in_len < 3))
++		goto input_overrun;
++	if (*ip > 17) {
++		t = *ip++ - 17;
++		if (t < 4) {
++			next = t;
++			goto match_next;
++		}
++		goto copy_literal_run;
++	}
++
++	for (;;) {
++		t = *ip++;
++		if (t < 16) {
++			if (likely(state == 0)) {
++				if (unlikely(t == 0)) {
++					while (unlikely(*ip == 0)) {
++						t += 255;
++						ip++;
++						NEED_IP(1, 0);
++					}
++					t += 15 + *ip++;
++				}
++				t += 3;
++copy_literal_run:
++#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
++				if (likely(HAVE_IP(t, 15) && HAVE_OP(t, 15))) {
++					const unsigned char *ie = ip + t;
++					unsigned char *oe = op + t;
++					do {
++						COPY8(op, ip);
++						op += 8;
++						ip += 8;
++						COPY8(op, ip);
++						op += 8;
++						ip += 8;
++					} while (ip < ie);
++					ip = ie;
++					op = oe;
++				} else
++#endif
++				{
++					NEED_OP(t, 0);
++					NEED_IP(t, 3);
++					do {
++						*op++ = *ip++;
++					} while (--t > 0);
++				}
++				state = 4;
++				continue;
++			} else if (state != 4) {
++				next = t & 3;
++				m_pos = op - 1;
++				m_pos -= t >> 2;
++				m_pos -= *ip++ << 2;
++				TEST_LB(m_pos);
++				NEED_OP(2, 0);
++				op[0] = m_pos[0];
++				op[1] = m_pos[1];
++				op += 2;
++				goto match_next;
++			} else {
++				next = t & 3;
++				m_pos = op - (1 + M2_MAX_OFFSET);
++				m_pos -= t >> 2;
++				m_pos -= *ip++ << 2;
++				t = 3;
++			}
++		} else if (t >= 64) {
++			next = t & 3;
++			m_pos = op - 1;
++			m_pos -= (t >> 2) & 7;
++			m_pos -= *ip++ << 3;
++			t = (t >> 5) - 1 + (3 - 1);
++		} else if (t >= 32) {
++			t = (t & 31) + (3 - 1);
++			if (unlikely(t == 2)) {
++				while (unlikely(*ip == 0)) {
++					t += 255;
++					ip++;
++					NEED_IP(1, 0);
++				}
++				t += 31 + *ip++;
++				NEED_IP(2, 0);
++			}
++			m_pos = op - 1;
++			next = get_unaligned_le16(ip);
++			ip += 2;
++			m_pos -= next >> 2;
++			next &= 3;
++		} else {
++			m_pos = op;
++			m_pos -= (t & 8) << 11;
++			t = (t & 7) + (3 - 1);
++			if (unlikely(t == 2)) {
++				while (unlikely(*ip == 0)) {
++					t += 255;
++					ip++;
++					NEED_IP(1, 0);
++				}
++				t += 7 + *ip++;
++				NEED_IP(2, 0);
++			}
++			next = get_unaligned_le16(ip);
++			ip += 2;
++			m_pos -= next >> 2;
++			next &= 3;
++			if (m_pos == op)
++				goto eof_found;
++			m_pos -= 0x4000;
++		}
++		TEST_LB(m_pos);
++#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
++		if (op - m_pos >= 8) {
++			unsigned char *oe = op + t;
++			if (likely(HAVE_OP(t, 15))) {
++				do {
++					COPY8(op, m_pos);
++					op += 8;
++					m_pos += 8;
++					COPY8(op, m_pos);
++					op += 8;
++					m_pos += 8;
++				} while (op < oe);
++				op = oe;
++				if (HAVE_IP(6, 0)) {
++					state = next;
++					COPY4(op, ip);
++					op += next;
++					ip += next;
++					continue;
++				}
++			} else {
++				NEED_OP(t, 0);
++				do {
++					*op++ = *m_pos++;
++				} while (op < oe);
++			}
++		} else
++#endif
++		{
++			unsigned char *oe = op + t;
++			NEED_OP(t, 0);
++			op[0] = m_pos[0];
++			op[1] = m_pos[1];
++			op += 2;
++			m_pos += 2;
++			do {
++				*op++ = *m_pos++;
++			} while (op < oe);
++		}
++match_next:
++		state = next;
++		t = next;
++#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
++		if (likely(HAVE_IP(6, 0) && HAVE_OP(4, 0))) {
++			COPY4(op, ip);
++			op += t;
++			ip += t;
++		} else
++#endif
++		{
++			NEED_IP(t, 3);
++			NEED_OP(t, 0);
++			while (t > 0) {
++				*op++ = *ip++;
++				t--;
++			}
++		}
++	}
++
++eof_found:
++	*out_len = op - out;
++	return (t != 3       ? LZO_E_ERROR :
++		ip == ip_end ? LZO_E_OK :
++		ip <  ip_end ? LZO_E_INPUT_NOT_CONSUMED : LZO_E_INPUT_OVERRUN);
++
++input_overrun:
++	*out_len = op - out;
++	return LZO_E_INPUT_OVERRUN;
++
++output_overrun:
++	*out_len = op - out;
++	return LZO_E_OUTPUT_OVERRUN;
++
++lookbehind_overrun:
++	*out_len = op - out;
++	return LZO_E_LOOKBEHIND_OVERRUN;
++}
++#ifndef STATIC
++EXPORT_SYMBOL_GPL(lzo1x_decompress_safe);
++
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION("LZO1X Decompressor");
++
++#endif
+diff --git a/lib/lzo/lzodefs.h b/lib/lzo/lzodefs.h
+index b6d482c492ef..6710b83ce72e 100644
+--- a/lib/lzo/lzodefs.h
++++ b/lib/lzo/lzodefs.h
+@@ -1,19 +1,37 @@
+ /*
+  *  lzodefs.h -- architecture, OS and compiler specific defines
+  *
+- *  Copyright (C) 1996-2005 Markus F.X.J. Oberhumer <markus@×××××××××.com>
++ *  Copyright (C) 1996-2012 Markus F.X.J. Oberhumer <markus@×××××××××.com>
+  *
+  *  The full LZO package can be found at:
+  *  http://www.oberhumer.com/opensource/lzo/
+  *
+- *  Changed for kernel use by:
++ *  Changed for Linux kernel use by:
+  *  Nitin Gupta <nitingupta910@×××××.com>
+  *  Richard Purdie <rpurdie@××××××××××.com>
+  */
+ 
+-#define LZO_VERSION		0x2020
+-#define LZO_VERSION_STRING	"2.02"
+-#define LZO_VERSION_DATE	"Oct 17 2005"
++
++#define COPY4(dst, src)	\
++		put_unaligned(get_unaligned((const u32 *)(src)), (u32 *)(dst))
++#if defined(__x86_64__)
++#define COPY8(dst, src)	\
++		put_unaligned(get_unaligned((const u64 *)(src)), (u64 *)(dst))
++#else
++#define COPY8(dst, src)	\
++		COPY4(dst, src); COPY4((dst) + 4, (src) + 4)
++#endif
++
++#if defined(__BIG_ENDIAN) && defined(__LITTLE_ENDIAN)
++#error "conflicting endian definitions"
++#elif defined(__x86_64__)
++#define LZO_USE_CTZ64	1
++#define LZO_USE_CTZ32	1
++#elif defined(__i386__) || defined(__powerpc__)
++#define LZO_USE_CTZ32	1
++#elif defined(__arm__) && (__LINUX_ARM_ARCH__ >= 5)
++#define LZO_USE_CTZ32	1
++#endif
+ 
+ #define M1_MAX_OFFSET	0x0400
+ #define M2_MAX_OFFSET	0x0800
+@@ -34,10 +52,8 @@
+ #define M3_MARKER	32
+ #define M4_MARKER	16
+ 
+-#define D_BITS		14
+-#define D_MASK		((1u << D_BITS) - 1)
++#define lzo_dict_t      unsigned short
++#define D_BITS		13
++#define D_SIZE		(1u << D_BITS)
++#define D_MASK		(D_SIZE - 1)
+ #define D_HIGH		((D_MASK >> 1) + 1)
+-
+-#define DX2(p, s1, s2)	(((((size_t)((p)[2]) << (s2)) ^ (p)[1]) \
+-							<< (s1)) ^ (p)[0])
+-#define DX3(p, s1, s2, s3)	((DX2((p)+1, s2, s3) << (s1)) ^ (p)[0])
+diff --git a/lib/nlattr.c b/lib/nlattr.c
+index 01c67507dc43..60abf1b5545a 100644
+--- a/lib/nlattr.c
++++ b/lib/nlattr.c
+@@ -13,6 +13,7 @@
+ #include <linux/skbuff.h>
+ #include <linux/string.h>
+ #include <linux/types.h>
++#include <linux/ratelimit.h>
+ #include <net/netlink.h>
+ 
+ static const u16 nla_attr_minlen[NLA_TYPE_MAX+1] = {
+@@ -197,8 +198,8 @@ int nla_parse(struct nlattr **tb, int maxtype, const struct nlattr *head,
+ 	}
+ 
+ 	if (unlikely(rem > 0))
+-		printk(KERN_WARNING "netlink: %d bytes leftover after parsing "
+-		       "attributes.\n", rem);
++		pr_warn_ratelimited("netlink: %d bytes leftover after parsing attributes in process `%s'.\n",
++				    rem, current->comm);
+ 
+ 	err = 0;
+ errout:
+diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
+index d2f634880bdd..490132664d07 100644
+--- a/net/ipv4/ipip.c
++++ b/net/ipv4/ipip.c
+@@ -908,4 +908,5 @@ static void __exit ipip_fini(void)
+ module_init(ipip_init);
+ module_exit(ipip_fini);
+ MODULE_LICENSE("GPL");
++MODULE_ALIAS_RTNL_LINK("ipip");
+ MODULE_ALIAS_NETDEV("tunl0");
+diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
+index 5a2d819d8262..077b9a3f8d25 100644
+--- a/net/ipv6/ip6_output.c
++++ b/net/ipv6/ip6_output.c
+@@ -611,7 +611,7 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
+ void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt)
+ {
+ 	static atomic_t ipv6_fragmentation_id;
+-	int old, new;
++	int ident;
+ 
+ 	if (rt && !(rt->dst.flags & DST_NOPEER)) {
+ 		struct inet_peer *peer;
+@@ -624,13 +624,8 @@ void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt)
+ 			return;
+ 		}
+ 	}
+-	do {
+-		old = atomic_read(&ipv6_fragmentation_id);
+-		new = old + 1;
+-		if (!new)
+-			new = 1;
+-	} while (atomic_cmpxchg(&ipv6_fragmentation_id, old, new) != old);
+-	fhdr->identification = htonl(new);
++	ident = atomic_inc_return(&ipv6_fragmentation_id);
++	fhdr->identification = htonl(ident);
+ }
+ 
+ int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
+diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
+index aa21da6a09cd..b876a2f81263 100644
+--- a/net/ipv6/ip6_tunnel.c
++++ b/net/ipv6/ip6_tunnel.c
+@@ -57,6 +57,7 @@
+ MODULE_AUTHOR("Ville Nuorvala");
+ MODULE_DESCRIPTION("IPv6 tunneling device");
+ MODULE_LICENSE("GPL");
++MODULE_ALIAS_RTNL_LINK("ip6tnl");
+ MODULE_ALIAS_NETDEV("ip6tnl0");
+ 
+ #ifdef IP6_TNL_DEBUG
+diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
+index c4ffd1743528..3f20ba4f9547 100644
+--- a/net/ipv6/sit.c
++++ b/net/ipv6/sit.c
+@@ -1303,4 +1303,5 @@ static int __init sit_init(void)
+ module_init(sit_init);
+ module_exit(sit_cleanup);
+ MODULE_LICENSE("GPL");
++MODULE_ALIAS_RTNL_LINK("sit");
+ MODULE_ALIAS_NETDEV("sit0");
+diff --git a/net/sctp/associola.c b/net/sctp/associola.c
+index 3c04692d699a..25b207b3ffe4 100644
+--- a/net/sctp/associola.c
++++ b/net/sctp/associola.c
+@@ -389,7 +389,7 @@ void sctp_association_free(struct sctp_association *asoc)
+ 	/* Only real associations count against the endpoint, so
+ 	 * don't bother for if this is a temporary association.
+ 	 */
+-	if (!asoc->temp) {
++	if (!list_empty(&asoc->asocs)) {
+ 		list_del(&asoc->asocs);
+ 
+ 		/* Decrement the backlog value for a TCP-style listening
+diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
+index 8901501425f4..c487715698ab 100644
+--- a/security/integrity/evm/evm_main.c
++++ b/security/integrity/evm/evm_main.c
+@@ -271,12 +271,20 @@ static int evm_protect_xattr(struct dentry *dentry, const char *xattr_name,
+  * @xattr_value: pointer to the new extended attribute value
+  * @xattr_value_len: pointer to the new extended attribute value length
+  *
+- * Updating 'security.evm' requires CAP_SYS_ADMIN privileges and that
+- * the current value is valid.
++ * Before allowing the 'security.evm' protected xattr to be updated,
++ * verify the existing value is valid.  As only the kernel should have
++ * access to the EVM encrypted key needed to calculate the HMAC, prevent
++ * userspace from writing HMAC value.  Writing 'security.evm' requires
++ * requires CAP_SYS_ADMIN privileges.
+  */
+ int evm_inode_setxattr(struct dentry *dentry, const char *xattr_name,
+ 		       const void *xattr_value, size_t xattr_value_len)
+ {
++	const struct evm_ima_xattr_data *xattr_data = xattr_value;
++
++	if ((strcmp(xattr_name, XATTR_NAME_EVM) == 0)
++	    && (xattr_data->type == EVM_XATTR_HMAC))
++		return -EPERM;
+ 	return evm_protect_xattr(dentry, xattr_name, xattr_value,
+ 				 xattr_value_len);
+ }
+diff --git a/sound/core/control.c b/sound/core/control.c
+index daa4fc8872f3..e773d5ed1e9a 100644
+--- a/sound/core/control.c
++++ b/sound/core/control.c
+@@ -288,6 +288,10 @@ static bool snd_ctl_remove_numid_conflict(struct snd_card *card,
+ {
+ 	struct snd_kcontrol *kctl;
+ 
++	/* Make sure that the ids assigned to the control do not wrap around */
++	if (card->last_numid >= UINT_MAX - count)
++		card->last_numid = 0;
++
+ 	list_for_each_entry(kctl, &card->controls, list) {
+ 		if (kctl->id.numid < card->last_numid + 1 + count &&
+ 		    kctl->id.numid + kctl->count > card->last_numid + 1) {
+@@ -329,6 +333,7 @@ int snd_ctl_add(struct snd_card *card, struct snd_kcontrol *kcontrol)
+ {
+ 	struct snd_ctl_elem_id id;
+ 	unsigned int idx;
++	unsigned int count;
+ 	int err = -EINVAL;
+ 
+ 	if (! kcontrol)
+@@ -336,6 +341,9 @@ int snd_ctl_add(struct snd_card *card, struct snd_kcontrol *kcontrol)
+ 	if (snd_BUG_ON(!card || !kcontrol->info))
+ 		goto error;
+ 	id = kcontrol->id;
++	if (id.index > UINT_MAX - kcontrol->count)
++		goto error;
++
+ 	down_write(&card->controls_rwsem);
+ 	if (snd_ctl_find_id(card, &id)) {
+ 		up_write(&card->controls_rwsem);
+@@ -357,8 +365,9 @@ int snd_ctl_add(struct snd_card *card, struct snd_kcontrol *kcontrol)
+ 	card->controls_count += kcontrol->count;
+ 	kcontrol->id.numid = card->last_numid + 1;
+ 	card->last_numid += kcontrol->count;
++	count = kcontrol->count;
+ 	up_write(&card->controls_rwsem);
+-	for (idx = 0; idx < kcontrol->count; idx++, id.index++, id.numid++)
++	for (idx = 0; idx < count; idx++, id.index++, id.numid++)
+ 		snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_ADD, &id);
+ 	return 0;
+ 
+@@ -387,6 +396,7 @@ int snd_ctl_replace(struct snd_card *card, struct snd_kcontrol *kcontrol,
+ 		    bool add_on_replace)
+ {
+ 	struct snd_ctl_elem_id id;
++	unsigned int count;
+ 	unsigned int idx;
+ 	struct snd_kcontrol *old;
+ 	int ret;
+@@ -422,8 +432,9 @@ add:
+ 	card->controls_count += kcontrol->count;
+ 	kcontrol->id.numid = card->last_numid + 1;
+ 	card->last_numid += kcontrol->count;
++	count = kcontrol->count;
+ 	up_write(&card->controls_rwsem);
+-	for (idx = 0; idx < kcontrol->count; idx++, id.index++, id.numid++)
++	for (idx = 0; idx < count; idx++, id.index++, id.numid++)
+ 		snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_ADD, &id);
+ 	return 0;
+ 
+@@ -894,9 +905,9 @@ static int snd_ctl_elem_write(struct snd_card *card, struct snd_ctl_file *file,
+ 			result = kctl->put(kctl, control);
+ 		}
+ 		if (result > 0) {
++			struct snd_ctl_elem_id id = control->id;
+ 			up_read(&card->controls_rwsem);
+-			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE,
+-				       &control->id);
++			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &id);
+ 			return 0;
+ 		}
+ 	}
+@@ -988,6 +999,7 @@ static int snd_ctl_elem_unlock(struct snd_ctl_file *file,
+ 
+ struct user_element {
+ 	struct snd_ctl_elem_info info;
++	struct snd_card *card;
+ 	void *elem_data;		/* element data */
+ 	unsigned long elem_data_size;	/* size of element data in bytes */
+ 	void *tlv_data;			/* TLV data */
+@@ -1031,7 +1043,9 @@ static int snd_ctl_elem_user_get(struct snd_kcontrol *kcontrol,
+ {
+ 	struct user_element *ue = kcontrol->private_data;
+ 
++	mutex_lock(&ue->card->user_ctl_lock);
+ 	memcpy(&ucontrol->value, ue->elem_data, ue->elem_data_size);
++	mutex_unlock(&ue->card->user_ctl_lock);
+ 	return 0;
+ }
+ 
+@@ -1040,10 +1054,12 @@ static int snd_ctl_elem_user_put(struct snd_kcontrol *kcontrol,
+ {
+ 	int change;
+ 	struct user_element *ue = kcontrol->private_data;
+-	
++
++	mutex_lock(&ue->card->user_ctl_lock);
+ 	change = memcmp(&ucontrol->value, ue->elem_data, ue->elem_data_size) != 0;
+ 	if (change)
+ 		memcpy(ue->elem_data, &ucontrol->value, ue->elem_data_size);
++	mutex_unlock(&ue->card->user_ctl_lock);
+ 	return change;
+ }
+ 
+@@ -1063,19 +1079,32 @@ static int snd_ctl_elem_user_tlv(struct snd_kcontrol *kcontrol,
+ 		new_data = memdup_user(tlv, size);
+ 		if (IS_ERR(new_data))
+ 			return PTR_ERR(new_data);
++		mutex_lock(&ue->card->user_ctl_lock);
+ 		change = ue->tlv_data_size != size;
+ 		if (!change)
+ 			change = memcmp(ue->tlv_data, new_data, size);
+ 		kfree(ue->tlv_data);
+ 		ue->tlv_data = new_data;
+ 		ue->tlv_data_size = size;
++		mutex_unlock(&ue->card->user_ctl_lock);
+ 	} else {
+-		if (! ue->tlv_data_size || ! ue->tlv_data)
+-			return -ENXIO;
+-		if (size < ue->tlv_data_size)
+-			return -ENOSPC;
++		int ret = 0;
++
++		mutex_lock(&ue->card->user_ctl_lock);
++		if (!ue->tlv_data_size || !ue->tlv_data) {
++			ret = -ENXIO;
++			goto err_unlock;
++		}
++		if (size < ue->tlv_data_size) {
++			ret = -ENOSPC;
++			goto err_unlock;
++		}
+ 		if (copy_to_user(tlv, ue->tlv_data, ue->tlv_data_size))
+-			return -EFAULT;
++			ret = -EFAULT;
++err_unlock:
++		mutex_unlock(&ue->card->user_ctl_lock);
++		if (ret)
++			return ret;
+ 	}
+ 	return change;
+ }
+@@ -1133,8 +1162,6 @@ static int snd_ctl_elem_add(struct snd_ctl_file *file,
+ 	struct user_element *ue;
+ 	int idx, err;
+ 
+-	if (!replace && card->user_ctl_count >= MAX_USER_CONTROLS)
+-		return -ENOMEM;
+ 	if (info->count < 1)
+ 		return -EINVAL;
+ 	access = info->access == 0 ? SNDRV_CTL_ELEM_ACCESS_READWRITE :
+@@ -1143,21 +1170,16 @@ static int snd_ctl_elem_add(struct snd_ctl_file *file,
+ 				 SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE));
+ 	info->id.numid = 0;
+ 	memset(&kctl, 0, sizeof(kctl));
+-	down_write(&card->controls_rwsem);
+-	_kctl = snd_ctl_find_id(card, &info->id);
+-	err = 0;
+-	if (_kctl) {
+-		if (replace)
+-			err = snd_ctl_remove(card, _kctl);
+-		else
+-			err = -EBUSY;
+-	} else {
+-		if (replace)
+-			err = -ENOENT;
++
++	if (replace) {
++		err = snd_ctl_remove_user_ctl(file, &info->id);
++		if (err)
++			return err;
+ 	}
+-	up_write(&card->controls_rwsem);
+-	if (err < 0)
+-		return err;
++
++	if (card->user_ctl_count >= MAX_USER_CONTROLS)
++		return -ENOMEM;
++
+ 	memcpy(&kctl.id, &info->id, sizeof(info->id));
+ 	kctl.count = info->owner ? info->owner : 1;
+ 	access |= SNDRV_CTL_ELEM_ACCESS_USER;
+@@ -1207,6 +1229,7 @@ static int snd_ctl_elem_add(struct snd_ctl_file *file,
+ 	ue = kzalloc(sizeof(struct user_element) + private_size, GFP_KERNEL);
+ 	if (ue == NULL)
+ 		return -ENOMEM;
++	ue->card = card;
+ 	ue->info = *info;
+ 	ue->info.access = 0;
+ 	ue->elem_data = (char *)ue + sizeof(*ue);
+@@ -1318,8 +1341,9 @@ static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file,
+ 		}
+ 		err = kctl->tlv.c(kctl, op_flag, tlv.length, _tlv->tlv);
+ 		if (err > 0) {
++			struct snd_ctl_elem_id id = kctl->id;
+ 			up_read(&card->controls_rwsem);
+-			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_TLV, &kctl->id);
++			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_TLV, &id);
+ 			return 0;
+ 		}
+ 	} else {
+diff --git a/sound/core/init.c b/sound/core/init.c
+index 7b012d15c2cf..41020d7395f3 100644
+--- a/sound/core/init.c
++++ b/sound/core/init.c
+@@ -208,6 +208,7 @@ int snd_card_create(int idx, const char *xid,
+ 	INIT_LIST_HEAD(&card->devices);
+ 	init_rwsem(&card->controls_rwsem);
+ 	rwlock_init(&card->ctl_files_rwlock);
++	mutex_init(&card->user_ctl_lock);
+ 	INIT_LIST_HEAD(&card->controls);
+ 	INIT_LIST_HEAD(&card->ctl_files);
+ 	spin_lock_init(&card->files_lock);
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index 2415dcec3265..4dac0b332a36 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -7062,6 +7062,7 @@ static const struct hda_codec_preset snd_hda_preset_realtek[] = {
+ 	{ .id = 0x10ec0670, .name = "ALC670", .patch = patch_alc662 },
+ 	{ .id = 0x10ec0671, .name = "ALC671", .patch = patch_alc662 },
+ 	{ .id = 0x10ec0680, .name = "ALC680", .patch = patch_alc680 },
++	{ .id = 0x10ec0867, .name = "ALC891", .patch = patch_alc882 },
+ 	{ .id = 0x10ec0880, .name = "ALC880", .patch = patch_alc880 },
+ 	{ .id = 0x10ec0882, .name = "ALC882", .patch = patch_alc882 },
+ 	{ .id = 0x10ec0883, .name = "ALC883", .patch = patch_alc882 },