26 files changed, 91 insertions, 55 deletions
diff --git a/include/acpi/video.h b/include/acpi/video.h
index ea4c7bbded4d..843ef1adfbfa 100644
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -22,6 +22,7 @@ extern void acpi_video_unregister(void);
 extern void acpi_video_unregister_backlight(void);
 extern int acpi_video_get_edid(struct acpi_device *device, int type,
                               int device_id, void **edid);
+extern bool acpi_video_verify_backlight_support(void);
 #else
 static inline int acpi_video_register(void) { return 0; }
 static inline void acpi_video_unregister(void) { return; }
@@ -31,6 +32,7 @@ static inline int acpi_video_get_edid(struct acpi_device *device, int type,
 {
        return -ENODEV;
 }
+static inline bool acpi_video_verify_backlight_support(void) { return false; }
 #endif
 #endif
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 471ba48c7ae4..c1c0b0cf39b4 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -693,7 +693,7 @@
        . = ALIGN(PAGE_SIZE);                                           \
        *(.data..percpu..page_aligned)                                  \
        . = ALIGN(cacheline);                                           \
-        *(.data..percpu..readmostly)                                    \
+        *(.data..percpu..read_mostly)                                   \
        . = ALIGN(cacheline);                                           \
        *(.data..percpu)                                                \
        *(.data..percpu..shared_aligned)                                \
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 0572035673f3..a70d45647898 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -237,13 +237,21 @@
 #define INTEL_BDW_GT3D_IDS(info) \
        _INTEL_BDW_D_IDS(3, info)
+#define INTEL_BDW_RSVDM_IDS(info) \
+        _INTEL_BDW_M_IDS(4, info)
+#define INTEL_BDW_RSVDD_IDS(info) \
+        _INTEL_BDW_D_IDS(4, info)
 #define INTEL_BDW_M_IDS(info) \
        INTEL_BDW_GT12M_IDS(info), \
-        INTEL_BDW_GT3M_IDS(info)
+        INTEL_BDW_GT3M_IDS(info), \
+        INTEL_BDW_RSVDM_IDS(info)
 #define INTEL_BDW_D_IDS(info) \
        INTEL_BDW_GT12D_IDS(info), \
-        INTEL_BDW_GT3D_IDS(info)
+        INTEL_BDW_GT3D_IDS(info), \
+        INTEL_BDW_RSVDD_IDS(info)
 #define INTEL_CHV_IDS(info) \
        INTEL_VGA_DEVICE(0x22b0, info), \
diff --git a/include/drm/i915_powerwell.h b/include/drm/i915_powerwell.h
index 2baba9996094..baa6f11b1837 100644
--- a/include/drm/i915_powerwell.h
+++ b/include/drm/i915_powerwell.h
@@ -32,5 +32,6 @@
 /* For use by hda_i915 driver */
 extern int i915_request_power_well(void);
 extern int i915_release_power_well(void);
+extern int i915_get_cdclk_freq(void);
 #endif                          /* _I915_POWERWELL_H_ */
diff --git a/include/dt-bindings/clock/exynos5420.h b/include/dt-bindings/clock/exynos5420.h
index 97dcb89d37d3..21d51ae1d242 100644
--- a/include/dt-bindings/clock/exynos5420.h
+++ b/include/dt-bindings/clock/exynos5420.h
@@ -63,7 +63,6 @@
 #define CLK_SCLK_MPHY_IXTAL24   161
 /* gate clocks */
-#define CLK_ACLK66_PERIC        256
 #define CLK_UART0               257
 #define CLK_UART1               258
 #define CLK_UART2               259
@@ -203,6 +202,8 @@
 #define CLK_MOUT_G3D            641
 #define CLK_MOUT_VPLL           642
 #define CLK_MOUT_MAUDIO0        643
+#define CLK_MOUT_USER_ACLK333   644
+#define CLK_MOUT_SW_ACLK333     645
 /* divider clocks */
 #define CLK_DOUT_PIXEL          768
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 5a645769f020..d2633ee099d9 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -186,6 +186,15 @@ static inline void *bio_data(struct bio *bio)
 #define BIOVEC_SEG_BOUNDARY(q, b1, b2) \
        __BIO_SEG_BOUNDARY(bvec_to_phys((b1)), bvec_to_phys((b2)) + (b2)->bv_len, queue_segment_boundary((q)))
+/*
+ * Check if adding a bio_vec after bprv with offset would create a gap in
+ * the SG list. Most drivers don't care about this, but some do.
+ */
+static inline bool bvec_gap_to_prev(struct bio_vec *bprv, unsigned int offset)
+{
+        return offset || ((bprv->bv_offset + bprv->bv_len) & (PAGE_SIZE - 1));
+}
 #define bio_io_error(bio) bio_endio((bio), -EIO)
 /*
@@ -644,10 +653,6 @@ struct biovec_slab {
 #if defined(CONFIG_BLK_DEV_INTEGRITY)
-#define bip_vec_idx(bip, idx)   (&(bip->bip_vec[(idx)]))
 #define bip_for_each_vec(bvl, bip, iter)                                \
        for_each_bvec(bvl, (bip)->bip_vec, iter, (bip)->bip_iter)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 713f8b62b435..8699bcf5f099 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -512,6 +512,7 @@ struct request_queue {
 #define QUEUE_FLAG_DEAD        19       /* queue tear-down finished */
 #define QUEUE_FLAG_INIT_DONE   20       /* queue is initialized */
 #define QUEUE_FLAG_NO_SG_MERGE 21       /* don't attempt to merge SG segments*/
+#define QUEUE_FLAG_SG_GAPS     22       /* queue doesn't support SG gaps */
 #define QUEUE_FLAG_DEFAULT      ((1 << QUEUE_FLAG_IO_STAT) |            \
                                 (1 << QUEUE_FLAG_STACKABLE)    |       \
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index e2a6bd7fb133..45a91474487d 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -143,7 +143,7 @@ extern void elv_drain_elevator(struct request_queue *);
 * io scheduler registration
 */
 extern void __init load_default_elevator_module(void);
-extern int __init elv_register(struct elevator_type *);
+extern int elv_register(struct elevator_type *);
 extern void elv_unregister(struct elevator_type *);
 /*
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 17aa1cce6f8e..30faf797c2c3 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -91,6 +91,7 @@ struct kernfs_elem_attr {
        const struct kernfs_ops *ops;
        struct kernfs_open_node *open;
        loff_t                  size;
+        struct kernfs_node      *notify_next;   /* for kernfs_notify() */
 };
 /*
@@ -304,6 +305,7 @@ struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags,
                               struct kernfs_root *root, unsigned long magic,
                               bool *new_sb_created, const void *ns);
 void kernfs_kill_sb(struct super_block *sb);
+struct super_block *kernfs_pin_sb(struct kernfs_root *root, const void *ns);
 void kernfs_init(void);
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index db0aef37645f..fa660aedb822 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -589,8 +589,6 @@ struct mlx4_cq {
        u32                     cons_index;
        u16                     irq;
-        bool                    irq_affinity_change;
        __be32                 *set_ci_db;
        __be32                 *arm_db;
        int                     arm_sn;
@@ -1178,6 +1176,8 @@ int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap,
                   int *vector);
 void mlx4_release_eq(struct mlx4_dev *dev, int vec);
+int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec);
 int mlx4_get_phys_port_id(struct mlx4_dev *dev);
 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port);
 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);
diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
index a70c9493d55a..d449018d0726 100644
--- a/include/linux/of_mdio.h
+++ b/include/linux/of_mdio.h
@@ -25,9 +25,6 @@ struct phy_device *of_phy_attach(struct net_device *dev,
 extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
-extern void of_mdiobus_link_phydev(struct mii_bus *mdio,
-                                   struct phy_device *phydev);
 #else /* CONFIG_OF */
 static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
 {
@@ -63,11 +60,6 @@ static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
 {
        return NULL;
 }
-static inline void of_mdiobus_link_phydev(struct mii_bus *mdio,
-                                          struct phy_device *phydev)
-{
-}
 #endif /* CONFIG_OF */
 #if defined(CONFIG_OF) && defined(CONFIG_FIXED_PHY)
diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h
index a5fc7d01aad6..dec01d6c3f80 100644
--- a/include/linux/percpu-defs.h
+++ b/include/linux/percpu-defs.h
@@ -146,10 +146,10 @@
 * Declaration/definition used for per-CPU variables that must be read mostly.
 */
 #define DECLARE_PER_CPU_READ_MOSTLY(type, name)                 \
-        DECLARE_PER_CPU_SECTION(type, name, "..readmostly")
+        DECLARE_PER_CPU_SECTION(type, name, "..read_mostly")
 #define DEFINE_PER_CPU_READ_MOSTLY(type, name)                          \
-        DEFINE_PER_CPU_SECTION(type, name, "..readmostly")
+        DEFINE_PER_CPU_SECTION(type, name, "..read_mostly")
 /*
 * Intermodule exports for per-CPU variables.  sparse forgets about
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 077904c8b70d..cc79eff4a1ad 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -334,6 +334,9 @@ static inline void user_single_step_siginfo(struct task_struct *tsk,
 * calling arch_ptrace_stop() when it would be superfluous.  For example,
 * if the thread has not been back to user mode since the last stop, the
 * thread state might indicate that nothing needs to be done.
+ *
+ * This is guaranteed to be invoked once before a task stops for ptrace and
+ * may include arch-specific operations necessary prior to a ptrace stop.
 */
 #define arch_ptrace_stop_needed(code, info)     (0)
 #endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 306f4f0c987a..0376b054a0d0 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -872,21 +872,21 @@ enum cpu_idle_type {
 #define SD_NUMA                 0x4000  /* cross-node balancing */
 #ifdef CONFIG_SCHED_SMT
-static inline const int cpu_smt_flags(void)
+static inline int cpu_smt_flags(void)
 {
        return SD_SHARE_CPUCAPACITY | SD_SHARE_PKG_RESOURCES;
 }
 #endif
 #ifdef CONFIG_SCHED_MC
-static inline const int cpu_core_flags(void)
+static inline int cpu_core_flags(void)
 {
        return SD_SHARE_PKG_RESOURCES;
 }
 #endif
 #ifdef CONFIG_NUMA
-static inline const int cpu_numa_flags(void)
+static inline int cpu_numa_flags(void)
 {
        return SD_NUMA;
 }
@@ -999,7 +999,7 @@ void free_sched_domains(cpumask_var_t doms[], unsigned int ndoms);
 bool cpus_share_cache(int this_cpu, int that_cpu);
 typedef const struct cpumask *(*sched_domain_mask_f)(int cpu);
-typedef const int (*sched_domain_flags_f)(void);
+typedef int (*sched_domain_flags_f)(void);
 #define SDTL_OVERLAP    0x01
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 8e98297f1388..ec538fc287a6 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -305,8 +305,6 @@ struct ucred {
 /* IPX options */
 #define IPX_TYPE        1
-extern int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov,
-                               int offset, int len);
 extern int csum_partial_copy_fromiovecend(unsigned char *kdata, 
                                          struct iovec *iov, 
                                          int offset, 
@@ -315,8 +313,6 @@ extern unsigned long iov_pages(const struct iovec *iov, int offset,
                               unsigned long nr_segs);
 extern int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *address, int mode);
-extern int memcpy_toiovecend(const struct iovec *v, unsigned char *kdata,
-                             int offset, int len);
 extern int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr_storage *kaddr);
 extern int put_cmsg(struct msghdr*, int level, int type, int len, void *data);
diff --git a/include/linux/uio.h b/include/linux/uio.h
index e2231e47cec1..09a7cffc224e 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -94,8 +94,20 @@ static inline size_t iov_iter_count(struct iov_iter *i)
        return i->count;
 }
-static inline void iov_iter_truncate(struct iov_iter *i, size_t count)
+/*
+ * Cap the iov_iter by given limit; note that the second argument is
+ * *not* the new size - it's upper limit for such.  Passing it a value
+ * greater than the amount of data in iov_iter is fine - it'll just do
+ * nothing in that case.
+ */
+static inline void iov_iter_truncate(struct iov_iter *i, u64 count)
 {
+        /*
+         * count doesn't have to fit in size_t - comparison extends both
+         * operands to u64 here and any value that would be truncated by
+         * conversion in assignement is by definition greater than all
+         * values of size_t, including old i->count.
+         */
        if (i->count > count)
                i->count = count;
 }
@@ -111,6 +123,9 @@ static inline void iov_iter_reexpand(struct iov_iter *i, size_t count)
 int memcpy_fromiovec(unsigned char *kdata, struct iovec *iov, int len);
 int memcpy_toiovec(struct iovec *iov, unsigned char *kdata, int len);
+int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov,
+                        int offset, int len);
+int memcpy_toiovecend(const struct iovec *v, unsigned char *kdata,
+                      int offset, int len);
 #endif
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
index 1a64b26046ed..9b7de1b46437 100644
--- a/include/linux/usb_usual.h
+++ b/include/linux/usb_usual.h
@@ -70,7 +70,9 @@
        US_FLAG(NEEDS_CAP16,    0x00400000)                     \
                /* cannot handle READ_CAPACITY_10 */            \
        US_FLAG(IGNORE_UAS,     0x00800000)                     \
-                /* Device advertises UAS but it is broken */
+                /* Device advertises UAS but it is broken */    \
+        US_FLAG(BROKEN_FUA,     0x01000000)                     \
+                /* Cannot handle FUA in WRITE or READ CDBs */   \
 #define US_FLAG(name, value)    US_FL_##name = value ,
 enum { US_DO_ALL_FLAGS };
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 7277caf3743d..47f425464f84 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -203,7 +203,6 @@ struct neigh_table {
        void                    (*proxy_redo)(struct sk_buff *skb);
        char                    *id;
        struct neigh_parms      parms;
-        /* HACK. gc_* should follow parms without a gap! */
        int                     gc_interval;
        int                     gc_thresh1;
        int                     gc_thresh2;
diff --git a/include/net/netns/ieee802154_6lowpan.h b/include/net/netns/ieee802154_6lowpan.h
index 079030c853d8..e2070960bac0 100644
--- a/include/net/netns/ieee802154_6lowpan.h
+++ b/include/net/netns/ieee802154_6lowpan.h
@@ -16,7 +16,7 @@ struct netns_sysctl_lowpan {
 struct netns_ieee802154_lowpan {
        struct netns_sysctl_lowpan sysctl;
        struct netns_frags      frags;
-        u16                     max_dsize;
+        int                     max_dsize;
 };
 #endif
diff --git a/include/net/sock.h b/include/net/sock.h
index cb84b2f1ad8f..29e48a6d1ded 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1772,9 +1772,11 @@ __sk_dst_set(struct sock *sk, struct dst_entry *dst)
 static inline void
 sk_dst_set(struct sock *sk, struct dst_entry *dst)
 {
-        spin_lock(&sk->sk_dst_lock);
+        struct dst_entry *old_dst;
-        __sk_dst_set(sk, dst);
-        spin_unlock(&sk->sk_dst_lock);
+        sk_tx_queue_clear(sk);
+        old_dst = xchg((__force struct dst_entry **)&sk->sk_dst_cache, dst);
+        dst_release(old_dst);
 }
 static inline void
@@ -1786,9 +1788,7 @@ __sk_dst_reset(struct sock *sk)
 static inline void
 sk_dst_reset(struct sock *sk)
 {
-        spin_lock(&sk->sk_dst_lock);
+        sk_dst_set(sk, NULL);
-        __sk_dst_reset(sk);
-        spin_unlock(&sk->sk_dst_lock);
 }
 struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 42ed789ebafc..e0ae71098144 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -318,7 +318,7 @@ static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)
 static inline unsigned scsi_transfer_length(struct scsi_cmnd *scmd)
 {
-        unsigned int xfer_len = blk_rq_bytes(scmd->request);
+        unsigned int xfer_len = scsi_out(scmd)->length;
        unsigned int prot_op = scsi_get_prot_op(scmd);
        unsigned int sector_size = scmd->device->sector_size;
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 5853c913d2b0..27ab31017f09 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -173,6 +173,7 @@ struct scsi_device {
        unsigned is_visible:1;  /* is the device visible in sysfs */
        unsigned wce_default_on:1;      /* Cache is ON by default */
        unsigned no_dif:1;      /* T10 PI (DIF) should be disabled */
+        unsigned broken_fua:1;          /* Don't set FUA bit */
        atomic_t disk_events_disable_depth; /* disable depth for disk events */
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index 6f9c38ce45c7..2f47824e7a36 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -38,6 +38,7 @@ struct btrfs_ioctl_vol_args {
 #define BTRFS_SUBVOL_QGROUP_INHERIT     (1ULL << 2)
 #define BTRFS_FSID_SIZE 16
 #define BTRFS_UUID_SIZE 16
+#define BTRFS_UUID_UNPARSED_SIZE        37
 #define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0)
diff --git a/include/uapi/linux/usb/functionfs.h b/include/uapi/linux/usb/functionfs.h
index 2a4b4a72a4f9..24b68c59dcf8 100644
--- a/include/uapi/linux/usb/functionfs.h
+++ b/include/uapi/linux/usb/functionfs.h
@@ -33,6 +33,13 @@ struct usb_endpoint_descriptor_no_audio {
        __u8  bInterval;
 } __attribute__((packed));
+/* Legacy format, deprecated as of 3.14. */
+struct usb_functionfs_descs_head {
+        __le32 magic;
+        __le32 length;
+        __le32 fs_count;
+        __le32 hs_count;
+} __attribute__((packed, deprecated));
 /*
 * Descriptors format:
diff --git a/include/uapi/sound/compress_offload.h b/include/uapi/sound/compress_offload.h
index 21eed488783f..1964026b5e09 100644
--- a/include/uapi/sound/compress_offload.h
+++ b/include/uapi/sound/compress_offload.h
@@ -39,7 +39,7 @@
 struct snd_compressed_buffer {
        __u32 fragment_size;
        __u32 fragments;
-};
+} __attribute__((packed, aligned(4)));
 /**
 * struct snd_compr_params: compressed stream params
@@ -51,7 +51,7 @@ struct snd_compr_params {
        struct snd_compressed_buffer buffer;
        struct snd_codec codec;
        __u8 no_wake_mode;
-};
+} __attribute__((packed, aligned(4)));
 /**
 * struct snd_compr_tstamp: timestamp descriptor
@@ -70,7 +70,7 @@ struct snd_compr_tstamp {
        __u32 pcm_frames;
        __u32 pcm_io_frames;
        __u32 sampling_rate;
-};
+} __attribute__((packed, aligned(4)));
 /**
 * struct snd_compr_avail: avail descriptor
@@ -80,7 +80,7 @@ struct snd_compr_tstamp {
 struct snd_compr_avail {
        __u64 avail;
        struct snd_compr_tstamp tstamp;
-} __attribute__((packed));
+} __attribute__((packed, aligned(4)));
 enum snd_compr_direction {
        SND_COMPRESS_PLAYBACK = 0,
@@ -107,7 +107,7 @@ struct snd_compr_caps {
        __u32 max_fragments;
        __u32 codecs[MAX_NUM_CODECS];
        __u32 reserved[11];
-};
+} __attribute__((packed, aligned(4)));
 /**
 * struct snd_compr_codec_caps: query capability of codec
@@ -119,7 +119,7 @@ struct snd_compr_codec_caps {
        __u32 codec;
        __u32 num_descriptors;
        struct snd_codec_desc descriptor[MAX_NUM_CODEC_DESCRIPTORS];
-};
+} __attribute__((packed, aligned(4)));
 /**
 * @SNDRV_COMPRESS_ENCODER_PADDING: no of samples appended by the encoder at the
@@ -140,7 +140,7 @@ enum {
 struct snd_compr_metadata {
         __u32 key;
         __u32 value[8];
-};
+} __attribute__((packed, aligned(4)));
 /**
 * compress path ioctl definitions
diff --git a/include/uapi/sound/compress_params.h b/include/uapi/sound/compress_params.h
index 165e7059de75..d9bd9ca0d5b0 100644
--- a/include/uapi/sound/compress_params.h
+++ b/include/uapi/sound/compress_params.h
@@ -268,7 +268,7 @@ struct snd_enc_vorbis {
        __u32 max_bit_rate;
        __u32 min_bit_rate;
        __u32 downmix;
-};
+} __attribute__((packed, aligned(4)));
 /**
@@ -284,7 +284,7 @@ struct snd_enc_real {
        __u32 quant_bits;
        __u32 start_region;
        __u32 num_regions;
-};
+} __attribute__((packed, aligned(4)));
 /**
 * struct snd_enc_flac
@@ -308,12 +308,12 @@ struct snd_enc_real {
 struct snd_enc_flac {
        __u32 num;
        __u32 gain;
-};
+} __attribute__((packed, aligned(4)));
 struct snd_enc_generic {
        __u32 bw;       /* encoder bandwidth */
        __s32 reserved[15];
-};
+} __attribute__((packed, aligned(4)));
 union snd_codec_options {
        struct snd_enc_wma wma;
@@ -321,7 +321,7 @@ union snd_codec_options {
        struct snd_enc_real real;
        struct snd_enc_flac flac;
        struct snd_enc_generic generic;
-};
+} __attribute__((packed, aligned(4)));
 /** struct snd_codec_desc - description of codec capabilities
 * @max_ch: Maximum number of audio channels
@@ -358,7 +358,7 @@ struct snd_codec_desc {
        __u32 formats;
        __u32 min_buffer;
        __u32 reserved[15];
-};
+} __attribute__((packed, aligned(4)));
 /** struct snd_codec
 * @id: Identifies the supported audio encoder/decoder.
@@ -399,6 +399,6 @@ struct snd_codec {
        __u32 align;
        union snd_codec_options options;
        __u32 reserved[3];
-};
+} __attribute__((packed, aligned(4)));
 #endif