Re: Linux 4.4.27

From: Greg KH
Date: Sat Oct 22 2016 - 06:34:56 EST

diff --git a/Makefile b/Makefile
index a127b9ef9ebc..b6ee4ce561f8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 26
+SUBLEVEL = 27
EXTRAVERSION =
NAME = Blurry Fish Butt

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 1f9093e901da..3ad307ee6029 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -3003,7 +3003,6 @@ static struct request *cfq_check_fifo(struct cfq_queue *cfqq)
if (time_before(jiffies, rq->fifo_time))
rq = NULL;

- cfq_log_cfqq(cfqq->cfqd, cfqq, "fifo=%p", rq);
return rq;
}

@@ -3377,6 +3376,9 @@ static bool cfq_may_dispatch(struct cfq_data *cfqd, struct cfq_queue *cfqq)
{
unsigned int max_dispatch;

+ if (cfq_cfqq_must_dispatch(cfqq))
+ return true;
+
/*
* Drain async requests before we start sync IO
*/
@@ -3468,15 +3470,20 @@ static bool cfq_dispatch_request(struct cfq_data *cfqd, struct cfq_queue *cfqq)

BUG_ON(RB_EMPTY_ROOT(&cfqq->sort_list));

+ rq = cfq_check_fifo(cfqq);
+ if (rq)
+ cfq_mark_cfqq_must_dispatch(cfqq);
+
if (!cfq_may_dispatch(cfqd, cfqq))
return false;

/*
* follow expired path, else get first next available
*/
- rq = cfq_check_fifo(cfqq);
if (!rq)
rq = cfqq->next_rq;
+ else
+ cfq_log_cfqq(cfqq->cfqd, cfqq, "fifo=%p", rq);

/*
* insert request into driver dispatch list
@@ -3944,7 +3951,7 @@ cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq,
* if the new request is sync, but the currently running queue is
* not, let the sync request have priority.
*/
- if (rq_is_sync(rq) && !cfq_cfqq_sync(cfqq))
+ if (rq_is_sync(rq) && !cfq_cfqq_sync(cfqq) && !cfq_cfqq_must_dispatch(cfqq))
return true;

if (new_cfqq->cfqg != cfqq->cfqg)
diff --git a/crypto/async_tx/async_pq.c b/crypto/async_tx/async_pq.c
index c0748bbd4c08..84f8d4d8b6bc 100644
--- a/crypto/async_tx/async_pq.c
+++ b/crypto/async_tx/async_pq.c
@@ -368,8 +368,6 @@ async_syndrome_val(struct page **blocks, unsigned int offset, int disks,

dma_set_unmap(tx, unmap);
async_tx_submit(chan, tx, submit);
-
- return tx;
} else {
struct page *p_src = P(blocks, disks);
struct page *q_src = Q(blocks, disks);
@@ -424,9 +422,11 @@ async_syndrome_val(struct page **blocks, unsigned int offset, int disks,
submit->cb_param = cb_param_orig;
submit->flags = flags_orig;
async_tx_sync_epilog(submit);
-
- return NULL;
+ tx = NULL;
}
+ dmaengine_unmap_put(unmap);
+
+ return tx;
}
EXPORT_SYMBOL_GPL(async_syndrome_val);

diff --git a/crypto/ghash-generic.c b/crypto/ghash-generic.c
index bac70995e064..12ad3e3a84e3 100644
--- a/crypto/ghash-generic.c
+++ b/crypto/ghash-generic.c
@@ -14,24 +14,13 @@

#include <crypto/algapi.h>
#include <crypto/gf128mul.h>
+#include <crypto/ghash.h>
#include <crypto/internal/hash.h>
#include <linux/crypto.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>

-#define GHASH_BLOCK_SIZE 16
-#define GHASH_DIGEST_SIZE 16
-
-struct ghash_ctx {
- struct gf128mul_4k *gf128;
-};
-
-struct ghash_desc_ctx {
- u8 buffer[GHASH_BLOCK_SIZE];
- u32 bytes;
-};
-
static int ghash_init(struct shash_desc *desc)
{
struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c
index d95c5971c225..a00f7b79202b 100644
--- a/drivers/base/dma-mapping.c
+++ b/drivers/base/dma-mapping.c
@@ -335,7 +335,7 @@ void dma_common_free_remap(void *cpu_addr, size_t size, unsigned long vm_flags)
return;
}

- unmap_kernel_range((unsigned long)cpu_addr, size);
+ unmap_kernel_range((unsigned long)cpu_addr, PAGE_ALIGN(size));
vunmap(cpu_addr);
}
#endif
diff --git a/drivers/crypto/vmx/ghash.c b/drivers/crypto/vmx/ghash.c
index 2183a2e77641..9cb3a0b715e2 100644
--- a/drivers/crypto/vmx/ghash.c
+++ b/drivers/crypto/vmx/ghash.c
@@ -26,16 +26,13 @@
#include <linux/hardirq.h>
#include <asm/switch_to.h>
#include <crypto/aes.h>
+#include <crypto/ghash.h>
#include <crypto/scatterwalk.h>
#include <crypto/internal/hash.h>
#include <crypto/b128ops.h>

#define IN_INTERRUPT in_interrupt()

-#define GHASH_BLOCK_SIZE (16)
-#define GHASH_DIGEST_SIZE (16)
-#define GHASH_KEY_LEN (16)
-
void gcm_init_p8(u128 htable[16], const u64 Xi[2]);
void gcm_gmult_p8(u64 Xi[2], const u128 htable[16]);
void gcm_ghash_p8(u64 Xi[2], const u128 htable[16],
@@ -55,16 +52,11 @@ struct p8_ghash_desc_ctx {

static int p8_ghash_init_tfm(struct crypto_tfm *tfm)
{
- const char *alg;
+ const char *alg = "ghash-generic";
struct crypto_shash *fallback;
struct crypto_shash *shash_tfm = __crypto_shash_cast(tfm);
struct p8_ghash_ctx *ctx = crypto_tfm_ctx(tfm);

- if (!(alg = crypto_tfm_alg_name(tfm))) {
- printk(KERN_ERR "Failed to get algorithm name.\n");
- return -ENOENT;
- }
-
fallback = crypto_alloc_shash(alg, 0, CRYPTO_ALG_NEED_FALLBACK);
if (IS_ERR(fallback)) {
printk(KERN_ERR
@@ -78,10 +70,18 @@ static int p8_ghash_init_tfm(struct crypto_tfm *tfm)
crypto_shash_set_flags(fallback,
crypto_shash_get_flags((struct crypto_shash
*) tfm));
- ctx->fallback = fallback;

- shash_tfm->descsize = sizeof(struct p8_ghash_desc_ctx)
- + crypto_shash_descsize(fallback);
+ /* Check if the descsize defined in the algorithm is still enough. */
+ if (shash_tfm->descsize < sizeof(struct p8_ghash_desc_ctx)
+ + crypto_shash_descsize(fallback)) {
+ printk(KERN_ERR
+ "Desc size of the fallback implementation (%s) does not match the expected value: %lu vs %u\n",
+ alg,
+ shash_tfm->descsize - sizeof(struct p8_ghash_desc_ctx),
+ crypto_shash_descsize(fallback));
+ return -EINVAL;
+ }
+ ctx->fallback = fallback;

return 0;
}
@@ -113,7 +113,7 @@ static int p8_ghash_setkey(struct crypto_shash *tfm, const u8 *key,
{
struct p8_ghash_ctx *ctx = crypto_tfm_ctx(crypto_shash_tfm(tfm));

- if (keylen != GHASH_KEY_LEN)
+ if (keylen != GHASH_BLOCK_SIZE)
return -EINVAL;

preempt_disable();
@@ -215,7 +215,8 @@ struct shash_alg p8_ghash_alg = {
.update = p8_ghash_update,
.final = p8_ghash_final,
.setkey = p8_ghash_setkey,
- .descsize = sizeof(struct p8_ghash_desc_ctx),
+ .descsize = sizeof(struct p8_ghash_desc_ctx)
+ + sizeof(struct ghash_desc_ctx),
.base = {
.cra_name = "ghash",
.cra_driver_name = "p8_ghash",
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 2215bebe208e..979cc024bca7 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -10853,6 +10853,12 @@ static pci_ers_result_t i40e_pci_error_detected(struct pci_dev *pdev,

dev_info(&pdev->dev, "%s: error %d\n", __func__, error);

+ if (!pf) {
+ dev_info(&pdev->dev,
+ "Cannot recover - error happened during device probe\n");
+ return PCI_ERS_RESULT_DISCONNECT;
+ }
+
/* shutdown all operations */
if (!test_bit(__I40E_SUSPENDED, &pf->state)) {
rtnl_lock();
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
index deb5f78dcacc..71493d2af912 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
@@ -2408,7 +2408,7 @@ static void brcmf_fill_bss_param(struct brcmf_if *ifp, struct station_info *si)
WL_BSS_INFO_MAX);
if (err) {
brcmf_err("Failed to get bss info (%d)\n", err);
- return;
+ goto out_kfree;
}
si->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
si->bss_param.beacon_interval = le16_to_cpu(buf->bss_le.beacon_period);
@@ -2420,6 +2420,9 @@ static void brcmf_fill_bss_param(struct brcmf_if *ifp, struct station_info *si)
si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
if (capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
+
+out_kfree:
+ kfree(buf);
}

static s32
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 41f9a00e4f74..8db9f3a5844d 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -2297,15 +2297,23 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
}
case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
unsigned char *ver_addr;
- int32_t user_len, cnt2end;
+ uint32_t user_len;
+ int32_t cnt2end;
uint8_t *pQbuffer, *ptmpuserbuffer;
+
+ user_len = pcmdmessagefld->cmdmessage.Length;
+ if (user_len > ARCMSR_API_DATA_BUFLEN) {
+ retvalue = ARCMSR_MESSAGE_FAIL;
+ goto message_out;
+ }
+
ver_addr = kmalloc(ARCMSR_API_DATA_BUFLEN, GFP_ATOMIC);
if (!ver_addr) {
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
ptmpuserbuffer = ver_addr;
- user_len = pcmdmessagefld->cmdmessage.Length;
+
memcpy(ptmpuserbuffer,
pcmdmessagefld->messagedatabuffer, user_len);
spin_lock_irqsave(&acb->wqbuffer_lock, flags);
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 6aa317c303e2..1f9f9e5af207 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -717,7 +717,6 @@ static int ibmvfc_reset_crq(struct ibmvfc_host *vhost)
spin_lock_irqsave(vhost->host->host_lock, flags);
vhost->state = IBMVFC_NO_CRQ;
vhost->logged_in = 0;
- ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_NONE);

/* Clean out the queue */
memset(crq->msgs, 0, PAGE_SIZE);
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index a5d319e4aae6..8435c3f204c1 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -440,7 +440,7 @@ static int dw8250_probe(struct platform_device *pdev)
}

data->pclk = devm_clk_get(&pdev->dev, "apb_pclk");
- if (IS_ERR(data->clk) && PTR_ERR(data->clk) == -EPROBE_DEFER) {
+ if (IS_ERR(data->pclk) && PTR_ERR(data->pclk) == -EPROBE_DEFER) {
err = -EPROBE_DEFER;
goto err_clk;
}
diff --git a/fs/attr.c b/fs/attr.c
index 6530ced19697..d62f674a605f 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -202,6 +202,21 @@ int notify_change(struct dentry * dentry, struct iattr * attr, struct inode **de
return -EPERM;
}

+ /*
+ * If utimes(2) and friends are called with times == NULL (or both
+ * times are UTIME_NOW), then we need to check for write permission
+ */
+ if (ia_valid & ATTR_TOUCH) {
+ if (IS_IMMUTABLE(inode))
+ return -EPERM;
+
+ if (!inode_owner_or_capable(inode)) {
+ error = inode_permission(inode, MAY_WRITE);
+ if (error)
+ return error;
+ }
+ }
+
if ((ia_valid & ATTR_MODE)) {
umode_t amode = attr->ia_mode;
/* Flag setting protected by i_mutex */
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index c473c42d7d6c..bae05c5c75ba 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -694,7 +694,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
ret = btrfs_map_bio(root, READ, comp_bio,
mirror_num, 0);
if (ret) {
- bio->bi_error = ret;
+ comp_bio->bi_error = ret;
bio_endio(comp_bio);
}

@@ -723,7 +723,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,

ret = btrfs_map_bio(root, READ, comp_bio, mirror_num, 0);
if (ret) {
- bio->bi_error = ret;
+ comp_bio->bi_error = ret;
bio_endio(comp_bio);
}

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 3a37bd3f9637..9d7a4a714907 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1607,16 +1607,12 @@ void dlm_lowcomms_stop(void)
mutex_lock(&connections_lock);
dlm_allow_conn = 0;
foreach_conn(stop_conn);
+ clean_writequeues();
+ foreach_conn(free_conn);
mutex_unlock(&connections_lock);

work_stop();

- mutex_lock(&connections_lock);
- clean_writequeues();
-
- foreach_conn(free_conn);
-
- mutex_unlock(&connections_lock);
kmem_cache_destroy(con_cache);
}

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 8eac7d586997..9da42ace762a 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -5738,6 +5738,9 @@ int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
up_write(&EXT4_I(inode)->i_data_sem);
goto out_stop;
}
+ } else {
+ ext4_ext_drop_refs(path);
+ kfree(path);
}

ret = ext4_es_remove_extent(inode, offset_lblk,
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 28702932a908..c71d2941a45b 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3645,7 +3645,7 @@ int ext4_update_disksize_before_punch(struct inode *inode, loff_t offset,
}

/*
- * ext4_punch_hole: punches a hole in a file by releaseing the blocks
+ * ext4_punch_hole: punches a hole in a file by releasing the blocks
* associated with the given offset and length
*
* @inode: File inode
@@ -3674,7 +3674,7 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
* Write out all dirty pages to avoid race conditions
* Then release them.
*/
- if (mapping->nrpages && mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) {
+ if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) {
ret = filemap_write_and_wait_range(mapping, offset,
offset + length - 1);
if (ret)
@@ -4549,14 +4549,14 @@ static int ext4_do_update_inode(handle_t *handle,
* Fix up interoperability with old kernels. Otherwise, old inodes get
* re-used with the upper 16 bits of the uid/gid intact
*/
- if (!ei->i_dtime) {
+ if (ei->i_dtime && list_empty(&ei->i_orphan)) {
+ raw_inode->i_uid_high = 0;
+ raw_inode->i_gid_high = 0;
+ } else {
raw_inode->i_uid_high =
cpu_to_le16(high_16_bits(i_uid));
raw_inode->i_gid_high =
cpu_to_le16(high_16_bits(i_gid));
- } else {
- raw_inode->i_uid_high = 0;
- raw_inode->i_gid_high = 0;
}
} else {
raw_inode->i_uid_low = cpu_to_le16(fs_high2lowuid(i_uid));
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 796ff0eafd3c..7861d801b048 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -598,6 +598,13 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, __u64 orig_blk,
return -EOPNOTSUPP;
}

+ if (ext4_encrypted_inode(orig_inode) ||
+ ext4_encrypted_inode(donor_inode)) {
+ ext4_msg(orig_inode->i_sb, KERN_ERR,
+ "Online defrag not supported for encrypted files");
+ return -EOPNOTSUPP;
+ }
+
/* Protect orig and donor inodes against a truncate */
lock_two_nondirectories(orig_inode, donor_inode);

diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 38eb0c8e43b9..573b4cbb0cb9 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2017,33 +2017,31 @@ static int make_indexed_dir(handle_t *handle, struct ext4_filename *fname,
frame->entries = entries;
frame->at = entries;
frame->bh = bh;
- bh = bh2;

retval = ext4_handle_dirty_dx_node(handle, dir, frame->bh);
if (retval)
goto out_frames;
- retval = ext4_handle_dirty_dirent_node(handle, dir, bh);
+ retval = ext4_handle_dirty_dirent_node(handle, dir, bh2);
if (retval)
goto out_frames;

- de = do_split(handle,dir, &bh, frame, &fname->hinfo);
+ de = do_split(handle,dir, &bh2, frame, &fname->hinfo);
if (IS_ERR(de)) {
retval = PTR_ERR(de);
goto out_frames;
}
- dx_release(frames);

- retval = add_dirent_to_buf(handle, fname, dir, inode, de, bh);
- brelse(bh);
- return retval;
+ retval = add_dirent_to_buf(handle, fname, dir, inode, de, bh2);
out_frames:
/*
* Even if the block split failed, we have to properly write
* out all the changes we did so far. Otherwise we can end up
* with corrupted filesystem.
*/
- ext4_mark_inode_dirty(handle, dir);
+ if (retval)
+ ext4_mark_inode_dirty(handle, dir);
dx_release(frames);
+ brelse(bh2);
return retval;
}

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 5e2e08712d3b..4b5f2c4e69c8 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1697,14 +1697,46 @@ error:
static int fuse_setattr(struct dentry *entry, struct iattr *attr)
{
struct inode *inode = d_inode(entry);
+ struct file *file = (attr->ia_valid & ATTR_FILE) ? attr->ia_file : NULL;
+ int ret;

if (!fuse_allow_current_process(get_fuse_conn(inode)))
return -EACCES;

- if (attr->ia_valid & ATTR_FILE)
- return fuse_do_setattr(inode, attr, attr->ia_file);
- else
- return fuse_do_setattr(inode, attr, NULL);
+ if (attr->ia_valid & (ATTR_KILL_SUID | ATTR_KILL_SGID)) {
+ int kill;
+
+ attr->ia_valid &= ~(ATTR_KILL_SUID | ATTR_KILL_SGID |
+ ATTR_MODE);
+ /*
+ * ia_mode calculation may have used stale i_mode. Refresh and
+ * recalculate.
+ */
+ ret = fuse_do_getattr(inode, NULL, file);
+ if (ret)
+ return ret;
+
+ attr->ia_mode = inode->i_mode;
+ kill = should_remove_suid(entry);
+ if (kill & ATTR_KILL_SUID) {
+ attr->ia_valid |= ATTR_MODE;
+ attr->ia_mode &= ~S_ISUID;
+ }
+ if (kill & ATTR_KILL_SGID) {
+ attr->ia_valid |= ATTR_MODE;
+ attr->ia_mode &= ~S_ISGID;
+ }
+ }
+ if (!attr->ia_valid)
+ return 0;
+
+ ret = fuse_do_setattr(inode, attr, file);
+ if (!ret) {
+ /* Directory mode changed, may need to revalidate access */
+ if (d_is_dir(entry) && (attr->ia_valid & ATTR_MODE))
+ fuse_invalidate_entry_cache(entry);
+ }
+ return ret;
}

static int fuse_getattr(struct vfsmount *mnt, struct dentry *entry,
@@ -1797,6 +1829,23 @@ static ssize_t fuse_getxattr(struct dentry *entry, const char *name,
return ret;
}

+static int fuse_verify_xattr_list(char *list, size_t size)
+{
+ size_t origsize = size;
+
+ while (size) {
+ size_t thislen = strnlen(list, size);
+
+ if (!thislen || thislen == size)
+ return -EIO;
+
+ size -= thislen + 1;
+ list += thislen + 1;
+ }
+
+ return origsize;
+}
+
static ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size)
{
struct inode *inode = d_inode(entry);
@@ -1832,6 +1881,8 @@ static ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size)
ret = fuse_simple_request(fc, &args);
if (!ret && !size)
ret = outarg.size;
+ if (ret > 0 && size)
+ ret = fuse_verify_xattr_list(list, ret);
if (ret == -ENOSYS) {
fc->no_listxattr = 1;
ret = -EOPNOTSUPP;
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index 96a1bcf33db4..8f5ccdf81c25 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -260,10 +260,10 @@ const struct file_operations reiserfs_file_operations = {

const struct inode_operations reiserfs_file_inode_operations = {
.setattr = reiserfs_setattr,
- .setxattr = reiserfs_setxattr,
- .getxattr = reiserfs_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
.listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
+ .removexattr = generic_removexattr,
.permission = reiserfs_permission,
.get_acl = reiserfs_get_acl,
.set_acl = reiserfs_set_acl,
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index 47f96988fdd4..3ebc70167e41 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -1649,10 +1649,10 @@ const struct inode_operations reiserfs_dir_inode_operations = {
.mknod = reiserfs_mknod,
.rename = reiserfs_rename,
.setattr = reiserfs_setattr,
- .setxattr = reiserfs_setxattr,
- .getxattr = reiserfs_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
.listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
+ .removexattr = generic_removexattr,
.permission = reiserfs_permission,
.get_acl = reiserfs_get_acl,
.set_acl = reiserfs_set_acl,
@@ -1667,10 +1667,10 @@ const struct inode_operations reiserfs_symlink_inode_operations = {
.follow_link = page_follow_link_light,
.put_link = page_put_link,
.setattr = reiserfs_setattr,
- .setxattr = reiserfs_setxattr,
- .getxattr = reiserfs_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
.listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
+ .removexattr = generic_removexattr,
.permission = reiserfs_permission,
};

@@ -1679,10 +1679,10 @@ const struct inode_operations reiserfs_symlink_inode_operations = {
*/
const struct inode_operations reiserfs_special_inode_operations = {
.setattr = reiserfs_setattr,
- .setxattr = reiserfs_setxattr,
- .getxattr = reiserfs_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
.listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
+ .removexattr = generic_removexattr,
.permission = reiserfs_permission,
.get_acl = reiserfs_get_acl,
.set_acl = reiserfs_set_acl,
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 4a62fe8cc3bf..f9f3be50081a 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -190,7 +190,15 @@ static int remove_save_link_only(struct super_block *s,
static int reiserfs_quota_on_mount(struct super_block *, int);
#endif

-/* look for uncompleted unlinks and truncates and complete them */
+/*
+ * Look for uncompleted unlinks and truncates and complete them
+ *
+ * Called with superblock write locked. If quotas are enabled, we have to
+ * release/retake lest we call dquot_quota_on_mount(), proceed to
+ * schedule_on_each_cpu() in invalidate_bdev() and deadlock waiting for the per
+ * cpu worklets to complete flush_async_commits() that in turn wait for the
+ * superblock write lock.
+ */
static int finish_unfinished(struct super_block *s)
{
INITIALIZE_PATH(path);
@@ -237,7 +245,9 @@ static int finish_unfinished(struct super_block *s)
quota_enabled[i] = 0;
continue;
}
+ reiserfs_write_unlock(s);
ret = reiserfs_quota_on_mount(s, i);
+ reiserfs_write_lock(s);
if (ret < 0)
reiserfs_warning(s, "reiserfs-2500",
"cannot turn on journaled "
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 66b26fdfff8d..a8dbc93e45eb 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -763,60 +763,6 @@ find_xattr_handler_prefix(const struct xattr_handler **handlers,
return xah;
}

-
-/*
- * Inode operation getxattr()
- */
-ssize_t
-reiserfs_getxattr(struct dentry * dentry, const char *name, void *buffer,
- size_t size)
-{
- const struct xattr_handler *handler;
-
- handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);
-
- if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)
- return -EOPNOTSUPP;
-
- return handler->get(handler, dentry, name, buffer, size);
-}
-
-/*
- * Inode operation setxattr()
- *
- * d_inode(dentry)->i_mutex down
- */
-int
-reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value,
- size_t size, int flags)
-{
- const struct xattr_handler *handler;
-
- handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);
-
- if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)
- return -EOPNOTSUPP;
-
- return handler->set(handler, dentry, name, value, size, flags);
-}
-
-/*
- * Inode operation removexattr()
- *
- * d_inode(dentry)->i_mutex down
- */
-int reiserfs_removexattr(struct dentry *dentry, const char *name)
-{
- const struct xattr_handler *handler;
-
- handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);
-
- if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)
- return -EOPNOTSUPP;
-
- return handler->set(handler, dentry, name, NULL, 0, XATTR_REPLACE);
-}
-
struct listxattr_buf {
struct dir_context ctx;
size_t size;
diff --git a/fs/reiserfs/xattr.h b/fs/reiserfs/xattr.h
index 15dde6262c00..613ff5aef94e 100644
--- a/fs/reiserfs/xattr.h
+++ b/fs/reiserfs/xattr.h
@@ -2,6 +2,7 @@
#include <linux/init.h>
#include <linux/list.h>
#include <linux/rwsem.h>
+#include <linux/xattr.h>

struct inode;
struct dentry;
@@ -18,12 +19,7 @@ int reiserfs_permission(struct inode *inode, int mask);

#ifdef CONFIG_REISERFS_FS_XATTR
#define has_xattr_dir(inode) (REISERFS_I(inode)->i_flags & i_has_xattr_dir)
-ssize_t reiserfs_getxattr(struct dentry *dentry, const char *name,
- void *buffer, size_t size);
-int reiserfs_setxattr(struct dentry *dentry, const char *name,
- const void *value, size_t size, int flags);
ssize_t reiserfs_listxattr(struct dentry *dentry, char *buffer, size_t size);
-int reiserfs_removexattr(struct dentry *dentry, const char *name);

int reiserfs_xattr_get(struct inode *, const char *, void *, size_t);
int reiserfs_xattr_set(struct inode *, const char *, const void *, size_t, int);
@@ -92,10 +88,7 @@ static inline void reiserfs_init_xattr_rwsem(struct inode *inode)

#else

-#define reiserfs_getxattr NULL
-#define reiserfs_setxattr NULL
#define reiserfs_listxattr NULL
-#define reiserfs_removexattr NULL

static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
{
diff --git a/fs/reiserfs/xattr_security.c b/fs/reiserfs/xattr_security.c
index ac659af431ae..60de069225ba 100644
--- a/fs/reiserfs/xattr_security.c
+++ b/fs/reiserfs/xattr_security.c
@@ -12,26 +12,24 @@ static int
security_get(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, void *buffer, size_t size)
{
- if (strlen(name) < sizeof(XATTR_SECURITY_PREFIX))
- return -EINVAL;
-
if (IS_PRIVATE(d_inode(dentry)))
return -EPERM;

- return reiserfs_xattr_get(d_inode(dentry), name, buffer, size);
+ return reiserfs_xattr_get(d_inode(dentry),
+ xattr_full_name(handler, name),
+ buffer, size);
}

static int
security_set(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, const void *buffer, size_t size, int flags)
{
- if (strlen(name) < sizeof(XATTR_SECURITY_PREFIX))
- return -EINVAL;
-
if (IS_PRIVATE(d_inode(dentry)))
return -EPERM;

- return reiserfs_xattr_set(d_inode(dentry), name, buffer, size, flags);
+ return reiserfs_xattr_set(d_inode(dentry),
+ xattr_full_name(handler, name),
+ buffer, size, flags);
}

static size_t security_list(const struct xattr_handler *handler,
diff --git a/fs/reiserfs/xattr_trusted.c b/fs/reiserfs/xattr_trusted.c
index a338adf1b8b4..ebba1ebf28ad 100644
--- a/fs/reiserfs/xattr_trusted.c
+++ b/fs/reiserfs/xattr_trusted.c
@@ -11,26 +11,24 @@ static int
trusted_get(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, void *buffer, size_t size)
{
- if (strlen(name) < sizeof(XATTR_TRUSTED_PREFIX))
- return -EINVAL;
-
if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(d_inode(dentry)))
return -EPERM;

- return reiserfs_xattr_get(d_inode(dentry), name, buffer, size);
+ return reiserfs_xattr_get(d_inode(dentry),
+ xattr_full_name(handler, name),
+ buffer, size);
}

static int
trusted_set(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, const void *buffer, size_t size, int flags)
{
- if (strlen(name) < sizeof(XATTR_TRUSTED_PREFIX))
- return -EINVAL;
-
if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(d_inode(dentry)))
return -EPERM;

- return reiserfs_xattr_set(d_inode(dentry), name, buffer, size, flags);
+ return reiserfs_xattr_set(d_inode(dentry),
+ xattr_full_name(handler, name),
+ buffer, size, flags);
}

static size_t trusted_list(const struct xattr_handler *handler,
diff --git a/fs/reiserfs/xattr_user.c b/fs/reiserfs/xattr_user.c
index 39c9667191c5..6ac8a8c8bd9c 100644
--- a/fs/reiserfs/xattr_user.c
+++ b/fs/reiserfs/xattr_user.c
@@ -10,24 +10,22 @@ static int
user_get(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, void *buffer, size_t size)
{
-
- if (strlen(name) < sizeof(XATTR_USER_PREFIX))
- return -EINVAL;
if (!reiserfs_xattrs_user(dentry->d_sb))
return -EOPNOTSUPP;
- return reiserfs_xattr_get(d_inode(dentry), name, buffer, size);
+ return reiserfs_xattr_get(d_inode(dentry),
+ xattr_full_name(handler, name),
+ buffer, size);
}

static int
user_set(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, const void *buffer, size_t size, int flags)
{
- if (strlen(name) < sizeof(XATTR_USER_PREFIX))
- return -EINVAL;
-
if (!reiserfs_xattrs_user(dentry->d_sb))
return -EOPNOTSUPP;
- return reiserfs_xattr_set(d_inode(dentry), name, buffer, size, flags);
+ return reiserfs_xattr_set(d_inode(dentry),
+ xattr_full_name(handler, name),
+ buffer, size, flags);
}

static size_t user_list(const struct xattr_handler *handler,
diff --git a/fs/utimes.c b/fs/utimes.c
index aa138d64560a..cb771c30d102 100644
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -87,20 +87,7 @@ static int utimes_common(struct path *path, struct timespec *times)
*/
newattrs.ia_valid |= ATTR_TIMES_SET;
} else {
- /*
- * If times is NULL (or both times are UTIME_NOW),
- * then we need to check permissions, because
- * inode_change_ok() won't do it.
- */
- error = -EACCES;
- if (IS_IMMUTABLE(inode))
- goto mnt_drop_write_and_out;
-
- if (!inode_owner_or_capable(inode)) {
- error = inode_permission(inode, MAY_WRITE);
- if (error)
- goto mnt_drop_write_and_out;
- }
+ newattrs.ia_valid |= ATTR_TOUCH;
}
retry_deleg:
mutex_lock(&inode->i_mutex);
@@ -112,7 +99,6 @@ retry_deleg:
goto retry_deleg;
}

-mnt_drop_write_and_out:
mnt_drop_write(path->mnt);
out:
return error;
diff --git a/include/crypto/ghash.h b/include/crypto/ghash.h
new file mode 100644
index 000000000000..2a61c9bbab8f
--- /dev/null
+++ b/include/crypto/ghash.h
@@ -0,0 +1,23 @@
+/*
+ * Common values for GHASH algorithms
+ */
+
+#ifndef __CRYPTO_GHASH_H__
+#define __CRYPTO_GHASH_H__
+
+#include <linux/types.h>
+#include <crypto/gf128mul.h>
+
+#define GHASH_BLOCK_SIZE 16
+#define GHASH_DIGEST_SIZE 16
+
+struct ghash_ctx {
+ struct gf128mul_4k *gf128;
+};
+
+struct ghash_desc_ctx {
+ u8 buffer[GHASH_BLOCK_SIZE];
+ u32 bytes;
+};
+
+#endif
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0166582c4d78..e1a123760dbf 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -226,6 +226,7 @@ typedef void (dax_iodone_t)(struct buffer_head *bh_map, int uptodate);
#define ATTR_KILL_PRIV (1 << 14)
#define ATTR_OPEN (1 << 15) /* Truncating from open(O_TRUNC) */
#define ATTR_TIMES_SET (1 << 16)
+#define ATTR_TOUCH (1 << 17)

/*
* Whiteout is represented by a char device. The following constants define the
diff --git a/sound/soc/intel/atom/sst/sst_pvt.c b/sound/soc/intel/atom/sst/sst_pvt.c
index adb32fefd693..b1e6b8f34a6a 100644
--- a/sound/soc/intel/atom/sst/sst_pvt.c
+++ b/sound/soc/intel/atom/sst/sst_pvt.c
@@ -279,17 +279,15 @@ int sst_prepare_and_post_msg(struct intel_sst_drv *sst,

if (response) {
ret = sst_wait_timeout(sst, block);
- if (ret < 0) {
+ if (ret < 0)
goto out;
- } else if(block->data) {
- if (!data)
- goto out;
- *data = kzalloc(block->size, GFP_KERNEL);
- if (!(*data)) {
+
+ if (data && block->data) {
+ *data = kmemdup(block->data, block->size, GFP_KERNEL);
+ if (!*data) {
ret = -ENOMEM;
goto out;
- } else
- memcpy(data, (void *) block->data, block->size);
+ }
}
}
out: