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-rw-r--r--fs/binfmt_flat.c46
-rw-r--r--fs/cachefiles/internal.h18
-rw-r--r--fs/cifs/cifssmb.c2
-rw-r--r--fs/cifs/dir.c51
-rw-r--r--fs/cifs/file.c66
-rw-r--r--fs/cifs/link.c52
-rw-r--r--fs/fscache/internal.h18
-rw-r--r--fs/jffs2/erase.c7
-rw-r--r--fs/nfs/nfs4proc.c9
-rw-r--r--fs/nfs/nfsroot.c2
-rw-r--r--fs/nfsd/vfs.c6
-rw-r--r--fs/nilfs2/ioctl.c2
-rw-r--r--fs/proc/base.c2
-rw-r--r--fs/sysfs/file.c2
14 files changed, 151 insertions, 132 deletions
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 5cebf0b3779..697f6b5f131 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -41,6 +41,7 @@
#include <asm/uaccess.h>
#include <asm/unaligned.h>
#include <asm/cacheflush.h>
+#include <asm/page.h>
/****************************************************************************/
@@ -54,6 +55,18 @@
#define DBG_FLT(a...)
#endif
+/*
+ * User data (stack, data section and bss) needs to be aligned
+ * for the same reasons as SLAB memory is, and to the same amount.
+ * Avoid duplicating architecture specific code by using the same
+ * macro as with SLAB allocation:
+ */
+#ifdef ARCH_SLAB_MINALIGN
+#define FLAT_DATA_ALIGN (ARCH_SLAB_MINALIGN)
+#else
+#define FLAT_DATA_ALIGN (sizeof(void *))
+#endif
+
#define RELOC_FAILED 0xff00ff01 /* Relocation incorrect somewhere */
#define UNLOADED_LIB 0x7ff000ff /* Placeholder for unused library */
@@ -114,20 +127,18 @@ static unsigned long create_flat_tables(
int envc = bprm->envc;
char uninitialized_var(dummy);
- sp = (unsigned long *) ((-(unsigned long)sizeof(char *))&(unsigned long) p);
+ sp = (unsigned long *)p;
+ sp -= (envc + argc + 2) + 1 + (flat_argvp_envp_on_stack() ? 2 : 0);
+ sp = (unsigned long *) ((unsigned long)sp & -FLAT_DATA_ALIGN);
+ argv = sp + 1 + (flat_argvp_envp_on_stack() ? 2 : 0);
+ envp = argv + (argc + 1);
- sp -= envc+1;
- envp = sp;
- sp -= argc+1;
- argv = sp;
-
- flat_stack_align(sp);
if (flat_argvp_envp_on_stack()) {
- --sp; put_user((unsigned long) envp, sp);
- --sp; put_user((unsigned long) argv, sp);
+ put_user((unsigned long) envp, sp + 2);
+ put_user((unsigned long) argv, sp + 1);
}
- put_user(argc,--sp);
+ put_user(argc, sp);
current->mm->arg_start = (unsigned long) p;
while (argc-->0) {
put_user((unsigned long) p, argv++);
@@ -558,7 +569,9 @@ static int load_flat_file(struct linux_binprm * bprm,
ret = realdatastart;
goto err;
}
- datapos = realdatastart + MAX_SHARED_LIBS * sizeof(unsigned long);
+ datapos = ALIGN(realdatastart +
+ MAX_SHARED_LIBS * sizeof(unsigned long),
+ FLAT_DATA_ALIGN);
DBG_FLT("BINFMT_FLAT: Allocated data+bss+stack (%d bytes): %x\n",
(int)(data_len + bss_len + stack_len), (int)datapos);
@@ -604,9 +617,12 @@ static int load_flat_file(struct linux_binprm * bprm,
}
realdatastart = textpos + ntohl(hdr->data_start);
- datapos = realdatastart + MAX_SHARED_LIBS * sizeof(unsigned long);
- reloc = (unsigned long *) (textpos + ntohl(hdr->reloc_start) +
- MAX_SHARED_LIBS * sizeof(unsigned long));
+ datapos = ALIGN(realdatastart +
+ MAX_SHARED_LIBS * sizeof(unsigned long),
+ FLAT_DATA_ALIGN);
+
+ reloc = (unsigned long *)
+ (datapos + (ntohl(hdr->reloc_start) - text_len));
memp = textpos;
memp_size = len;
#ifdef CONFIG_BINFMT_ZFLAT
@@ -854,7 +870,7 @@ static int load_flat_binary(struct linux_binprm * bprm, struct pt_regs * regs)
stack_len = TOP_OF_ARGS - bprm->p; /* the strings */
stack_len += (bprm->argc + 1) * sizeof(char *); /* the argv array */
stack_len += (bprm->envc + 1) * sizeof(char *); /* the envp array */
-
+ stack_len += FLAT_DATA_ALIGN - 1; /* reserve for upcoming alignment */
res = load_flat_file(bprm, &libinfo, 0, &stack_len);
if (res > (unsigned long)-4096)
diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h
index 19218e1463d..f7c255f9c62 100644
--- a/fs/cachefiles/internal.h
+++ b/fs/cachefiles/internal.h
@@ -122,13 +122,13 @@ static inline void cachefiles_state_changed(struct cachefiles_cache *cache)
}
/*
- * cf-bind.c
+ * bind.c
*/
extern int cachefiles_daemon_bind(struct cachefiles_cache *cache, char *args);
extern void cachefiles_daemon_unbind(struct cachefiles_cache *cache);
/*
- * cf-daemon.c
+ * daemon.c
*/
extern const struct file_operations cachefiles_daemon_fops;
@@ -136,17 +136,17 @@ extern int cachefiles_has_space(struct cachefiles_cache *cache,
unsigned fnr, unsigned bnr);
/*
- * cf-interface.c
+ * interface.c
*/
extern const struct fscache_cache_ops cachefiles_cache_ops;
/*
- * cf-key.c
+ * key.c
*/
extern char *cachefiles_cook_key(const u8 *raw, int keylen, uint8_t type);
/*
- * cf-namei.c
+ * namei.c
*/
extern int cachefiles_delete_object(struct cachefiles_cache *cache,
struct cachefiles_object *object);
@@ -165,7 +165,7 @@ extern int cachefiles_check_in_use(struct cachefiles_cache *cache,
struct dentry *dir, char *filename);
/*
- * cf-proc.c
+ * proc.c
*/
#ifdef CONFIG_CACHEFILES_HISTOGRAM
extern atomic_t cachefiles_lookup_histogram[HZ];
@@ -190,7 +190,7 @@ void cachefiles_hist(atomic_t histogram[], unsigned long start_jif)
#endif
/*
- * cf-rdwr.c
+ * rdwr.c
*/
extern int cachefiles_read_or_alloc_page(struct fscache_retrieval *,
struct page *, gfp_t);
@@ -205,7 +205,7 @@ extern int cachefiles_write_page(struct fscache_storage *, struct page *);
extern void cachefiles_uncache_page(struct fscache_object *, struct page *);
/*
- * cf-security.c
+ * security.c
*/
extern int cachefiles_get_security_ID(struct cachefiles_cache *cache);
extern int cachefiles_determine_cache_security(struct cachefiles_cache *cache,
@@ -225,7 +225,7 @@ static inline void cachefiles_end_secure(struct cachefiles_cache *cache,
}
/*
- * cf-xattr.c
+ * xattr.c
*/
extern int cachefiles_check_object_type(struct cachefiles_object *object);
extern int cachefiles_set_object_xattr(struct cachefiles_object *object,
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 5759ba53dc9..d06260251c3 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -2475,7 +2475,7 @@ querySymLinkRetry:
/* BB FIXME investigate remapping reserved chars here */
*symlinkinfo = cifs_strndup_from_ucs(data_start, count,
is_unicode, nls_codepage);
- if (!symlinkinfo)
+ if (!*symlinkinfo)
rc = -ENOMEM;
}
}
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 11431ed72a7..3758965d73d 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -225,6 +225,7 @@ int cifs_posix_open(char *full_path, struct inode **pinode,
if (!(oflags & FMODE_READ))
write_only = true;
+ mode &= ~current_umask();
rc = CIFSPOSIXCreate(xid, cifs_sb->tcon, posix_flags, mode,
pnetfid, presp_data, &oplock, full_path,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
@@ -310,7 +311,6 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
return -ENOMEM;
}
- mode &= ~current_umask();
if (oplockEnabled)
oplock = REQ_OPLOCK;
@@ -336,7 +336,7 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
else /* success, no need to query */
goto cifs_create_set_dentry;
} else if ((rc != -EIO) && (rc != -EREMOTE) &&
- (rc != -EOPNOTSUPP)) /* path not found or net err */
+ (rc != -EOPNOTSUPP) && (rc != -EINVAL))
goto cifs_create_out;
/* else fallthrough to retry, using older open call, this is
case where server does not support this SMB level, and
@@ -609,7 +609,6 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
int xid;
int rc = 0; /* to get around spurious gcc warning, set to zero here */
int oplock = 0;
- int mode;
__u16 fileHandle = 0;
bool posix_open = false;
struct cifs_sb_info *cifs_sb;
@@ -658,30 +657,36 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
}
cFYI(1, ("Full path: %s inode = 0x%p", full_path, direntry->d_inode));
+ /* Posix open is only called (at lookup time) for file create now.
+ * For opens (rather than creates), because we do not know if it
+ * is a file or directory yet, and current Samba no longer allows
+ * us to do posix open on dirs, we could end up wasting an open call
+ * on what turns out to be a dir. For file opens, we wait to call posix
+ * open till cifs_open. It could be added here (lookup) in the future
+ * but the performance tradeoff of the extra network request when EISDIR
+ * or EACCES is returned would have to be weighed against the 50%
+ * reduction in network traffic in the other paths.
+ */
if (pTcon->unix_ext) {
if (!(nd->flags & (LOOKUP_PARENT | LOOKUP_DIRECTORY)) &&
- (nd->flags & LOOKUP_OPEN)) {
- if (!((nd->intent.open.flags & O_CREAT) &&
- (nd->intent.open.flags & O_EXCL))) {
- mode = nd->intent.open.create_mode &
- ~current_umask();
- rc = cifs_posix_open(full_path, &newInode,
- parent_dir_inode->i_sb, mode,
+ (nd->flags & LOOKUP_OPEN) && !pTcon->broken_posix_open &&
+ (nd->intent.open.flags & O_CREAT)) {
+ rc = cifs_posix_open(full_path, &newInode,
+ parent_dir_inode->i_sb,
+ nd->intent.open.create_mode,
nd->intent.open.flags, &oplock,
&fileHandle, xid);
- /*
- * This code works around a bug in
- * samba posix open in samba versions 3.3.1
- * and earlier where create works
- * but open fails with invalid parameter.
- * If either of these error codes are
- * returned, follow the normal lookup.
- * Otherwise, the error during posix open
- * is handled.
- */
- if ((rc != -EINVAL) && (rc != -EOPNOTSUPP))
- posix_open = true;
- }
+ /*
+ * The check below works around a bug in POSIX
+ * open in samba versions 3.3.1 and earlier where
+ * open could incorrectly fail with invalid parameter.
+ * If either that or op not supported returned, follow
+ * the normal lookup.
+ */
+ if ((rc == 0) || (rc == -ENOENT))
+ posix_open = true;
+ else if ((rc == -EINVAL) || (rc != -EOPNOTSUPP))
+ pTcon->broken_posix_open = true;
}
if (!posix_open)
rc = cifs_get_inode_info_unix(&newInode, full_path,
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 38c06f82657..302ea15f02e 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -130,10 +130,6 @@ static inline int cifs_posix_open_inode_helper(struct inode *inode,
struct cifsFileInfo *pCifsFile, int oplock, u16 netfid)
{
- file->private_data = kmalloc(sizeof(struct cifsFileInfo), GFP_KERNEL);
- if (file->private_data == NULL)
- return -ENOMEM;
- pCifsFile = cifs_init_private(file->private_data, inode, file, netfid);
write_lock(&GlobalSMBSeslock);
pCifsInode = CIFS_I(file->f_path.dentry->d_inode);
@@ -184,6 +180,38 @@ psx_client_can_cache:
return 0;
}
+static struct cifsFileInfo *
+cifs_fill_filedata(struct file *file)
+{
+ struct list_head *tmp;
+ struct cifsFileInfo *pCifsFile = NULL;
+ struct cifsInodeInfo *pCifsInode = NULL;
+
+ /* search inode for this file and fill in file->private_data */
+ pCifsInode = CIFS_I(file->f_path.dentry->d_inode);
+ read_lock(&GlobalSMBSeslock);
+ list_for_each(tmp, &pCifsInode->openFileList) {
+ pCifsFile = list_entry(tmp, struct cifsFileInfo, flist);
+ if ((pCifsFile->pfile == NULL) &&
+ (pCifsFile->pid == current->tgid)) {
+ /* mode set in cifs_create */
+
+ /* needed for writepage */
+ pCifsFile->pfile = file;
+ file->private_data = pCifsFile;
+ break;
+ }
+ }
+ read_unlock(&GlobalSMBSeslock);
+
+ if (file->private_data != NULL) {
+ return pCifsFile;
+ } else if ((file->f_flags & O_CREAT) && (file->f_flags & O_EXCL))
+ cERROR(1, ("could not find file instance for "
+ "new file %p", file));
+ return NULL;
+}
+
/* all arguments to this function must be checked for validity in caller */
static inline int cifs_open_inode_helper(struct inode *inode, struct file *file,
struct cifsInodeInfo *pCifsInode, struct cifsFileInfo *pCifsFile,
@@ -258,7 +286,6 @@ int cifs_open(struct inode *inode, struct file *file)
struct cifsTconInfo *tcon;
struct cifsFileInfo *pCifsFile;
struct cifsInodeInfo *pCifsInode;
- struct list_head *tmp;
char *full_path = NULL;
int desiredAccess;
int disposition;
@@ -270,32 +297,12 @@ int cifs_open(struct inode *inode, struct file *file)
cifs_sb = CIFS_SB(inode->i_sb);
tcon = cifs_sb->tcon;
- /* search inode for this file and fill in file->private_data */
pCifsInode = CIFS_I(file->f_path.dentry->d_inode);
- read_lock(&GlobalSMBSeslock);
- list_for_each(tmp, &pCifsInode->openFileList) {
- pCifsFile = list_entry(tmp, struct cifsFileInfo,
- flist);
- if ((pCifsFile->pfile == NULL) &&
- (pCifsFile->pid == current->tgid)) {
- /* mode set in cifs_create */
-
- /* needed for writepage */
- pCifsFile->pfile = file;
-
- file->private_data = pCifsFile;
- break;
- }
- }
- read_unlock(&GlobalSMBSeslock);
-
- if (file->private_data != NULL) {
- rc = 0;
+ pCifsFile = cifs_fill_filedata(file);
+ if (pCifsFile) {
FreeXid(xid);
- return rc;
- } else if ((file->f_flags & O_CREAT) && (file->f_flags & O_EXCL))
- cERROR(1, ("could not find file instance for "
- "new file %p", file));
+ return 0;
+ }
full_path = build_path_from_dentry(file->f_path.dentry);
if (full_path == NULL) {
@@ -325,6 +332,7 @@ int cifs_open(struct inode *inode, struct file *file)
/* no need for special case handling of setting mode
on read only files needed here */
+ pCifsFile = cifs_fill_filedata(file);
cifs_posix_open_inode_helper(inode, file, pCifsInode,
pCifsFile, oplock, netfid);
goto out;
diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index ea9d11e3dcb..cd83c53fcbb 100644
--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -107,48 +107,48 @@ void *
cifs_follow_link(struct dentry *direntry, struct nameidata *nd)
{
struct inode *inode = direntry->d_inode;
- int rc = -EACCES;
+ int rc = -ENOMEM;
int xid;
char *full_path = NULL;
- char *target_path = ERR_PTR(-ENOMEM);
- struct cifs_sb_info *cifs_sb;
- struct cifsTconInfo *pTcon;
+ char *target_path = NULL;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+ struct cifsTconInfo *tcon = cifs_sb->tcon;
xid = GetXid();
- full_path = build_path_from_dentry(direntry);
+ /*
+ * For now, we just handle symlinks with unix extensions enabled.
+ * Eventually we should handle NTFS reparse points, and MacOS
+ * symlink support. For instance...
+ *
+ * rc = CIFSSMBQueryReparseLinkInfo(...)
+ *
+ * For now, just return -EACCES when the server doesn't support posix
+ * extensions. Note that we still allow querying symlinks when posix
+ * extensions are manually disabled. We could disable these as well
+ * but there doesn't seem to be any harm in allowing the client to
+ * read them.
+ */
+ if (!(tcon->ses->capabilities & CAP_UNIX)) {
+ rc = -EACCES;
+ goto out;
+ }
+ full_path = build_path_from_dentry(direntry);
if (!full_path)
goto out;
cFYI(1, ("Full path: %s inode = 0x%p", full_path, inode));
- cifs_sb = CIFS_SB(inode->i_sb);
- pTcon = cifs_sb->tcon;
-
- /* We could change this to:
- if (pTcon->unix_ext)
- but there does not seem any point in refusing to
- get symlink info if we can, even if unix extensions
- turned off for this mount */
-
- if (pTcon->ses->capabilities & CAP_UNIX)
- rc = CIFSSMBUnixQuerySymLink(xid, pTcon, full_path,
- &target_path,
- cifs_sb->local_nls);
- else {
- /* BB add read reparse point symlink code here */
- /* rc = CIFSSMBQueryReparseLinkInfo */
- /* BB Add code to Query ReparsePoint info */
- /* BB Add MAC style xsymlink check here if enabled */
- }
+ rc = CIFSSMBUnixQuerySymLink(xid, tcon, full_path, &target_path,
+ cifs_sb->local_nls);
+ kfree(full_path);
+out:
if (rc != 0) {
kfree(target_path);
target_path = ERR_PTR(rc);
}
- kfree(full_path);
-out:
FreeXid(xid);
nd_set_link(nd, target_path);
return NULL;
diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index e0cbd16f6dc..1c341304621 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -28,7 +28,7 @@
#define FSCACHE_MAX_THREADS 32
/*
- * fsc-cache.c
+ * cache.c
*/
extern struct list_head fscache_cache_list;
extern struct rw_semaphore fscache_addremove_sem;
@@ -37,7 +37,7 @@ extern struct fscache_cache *fscache_select_cache_for_object(
struct fscache_cookie *);
/*
- * fsc-cookie.c
+ * cookie.c
*/
extern struct kmem_cache *fscache_cookie_jar;
@@ -45,13 +45,13 @@ extern void fscache_cookie_init_once(void *);
extern void __fscache_cookie_put(struct fscache_cookie *);
/*
- * fsc-fsdef.c
+ * fsdef.c
*/
extern struct fscache_cookie fscache_fsdef_index;
extern struct fscache_cookie_def fscache_fsdef_netfs_def;
/*
- * fsc-histogram.c
+ * histogram.c
*/
#ifdef CONFIG_FSCACHE_HISTOGRAM
extern atomic_t fscache_obj_instantiate_histogram[HZ];
@@ -75,7 +75,7 @@ extern const struct file_operations fscache_histogram_fops;
#endif
/*
- * fsc-main.c
+ * main.c
*/
extern unsigned fscache_defer_lookup;
extern unsigned fscache_defer_create;
@@ -86,14 +86,14 @@ extern int fscache_wait_bit(void *);
extern int fscache_wait_bit_interruptible(void *);
/*
- * fsc-object.c
+ * object.c
*/
extern void fscache_withdrawing_object(struct fscache_cache *,
struct fscache_object *);
extern void fscache_enqueue_object(struct fscache_object *);
/*
- * fsc-operation.c
+ * operation.c
*/
extern int fscache_submit_exclusive_op(struct fscache_object *,
struct fscache_operation *);
@@ -104,7 +104,7 @@ extern void fscache_start_operations(struct fscache_object *);
extern void fscache_operation_gc(struct work_struct *);
/*
- * fsc-proc.c
+ * proc.c
*/
#ifdef CONFIG_PROC_FS
extern int __init fscache_proc_init(void);
@@ -115,7 +115,7 @@ extern void fscache_proc_cleanup(void);
#endif
/*
- * fsc-stats.c
+ * stats.c
*/
#ifdef CONFIG_FSCACHE_STATS
extern atomic_t fscache_n_ops_processed[FSCACHE_MAX_THREADS];
diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index c32b4a1ad6c..a0244740b75 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -480,13 +480,6 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb
return;
filebad:
- mutex_lock(&c->erase_free_sem);
- spin_lock(&c->erase_completion_lock);
- /* Stick it on a list (any list) so erase_failed can take it
- right off again. Silly, but shouldn't happen often. */
- list_move(&jeb->list, &c->erasing_list);
- spin_unlock(&c->erase_completion_lock);
- mutex_unlock(&c->erase_free_sem);
jffs2_erase_failed(c, jeb, bad_offset);
return;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a4d24268029..4674f8092da 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2594,12 +2594,9 @@ static void nfs4_renew_done(struct rpc_task *task, void *data)
unsigned long timestamp = (unsigned long)data;
if (task->tk_status < 0) {
- switch (task->tk_status) {
- case -NFS4ERR_STALE_CLIENTID:
- case -NFS4ERR_EXPIRED:
- case -NFS4ERR_CB_PATH_DOWN:
- nfs4_schedule_state_recovery(clp);
- }
+ /* Unless we're shutting down, schedule state recovery! */
+ if (test_bit(NFS_CS_RENEWD, &clp->cl_res_state) != 0)
+ nfs4_schedule_state_recovery(clp);
return;
}
spin_lock(&clp->cl_lock);
diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c
index d9ef602fbc5..e3ed5908820 100644
--- a/fs/nfs/nfsroot.c
+++ b/fs/nfs/nfsroot.c
@@ -129,7 +129,7 @@ enum {
Opt_err
};
-static match_table_t __initconst tokens = {
+static const match_table_t tokens __initconst = {
{Opt_port, "port=%u"},
{Opt_rsize, "rsize=%u"},
{Opt_wsize, "wsize=%u"},
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 6c68ffd6b4b..b660435978d 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1015,6 +1015,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
host_err = vfs_writev(file, (struct iovec __user *)vec, vlen, &offset);
set_fs(oldfs);
if (host_err >= 0) {
+ *cnt = host_err;
nfsdstats.io_write += host_err;
fsnotify_modify(file->f_path.dentry);
}
@@ -1060,10 +1061,9 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
}
dprintk("nfsd: write complete host_err=%d\n", host_err);
- if (host_err >= 0) {
+ if (host_err >= 0)
err = 0;
- *cnt = host_err;
- } else
+ else
err = nfserrno(host_err);
out:
return err;
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 50ff3f2cdf2..d6759b92006 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -576,7 +576,7 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
ret = nilfs_clean_segments(inode->i_sb, argv, kbufs);
out_free:
- while (--n > 0)
+ while (--n >= 0)
vfree(kbufs[n]);
kfree(kbufs[4]);
return ret;
diff --git a/fs/proc/base.c b/fs/proc/base.c
index fb45615943c..3326bbf9ab9 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1956,7 +1956,7 @@ static struct dentry *proc_pident_instantiate(struct inode *dir,
const struct pid_entry *p = ptr;
struct inode *inode;
struct proc_inode *ei;
- struct dentry *error = ERR_PTR(-EINVAL);
+ struct dentry *error = ERR_PTR(-ENOENT);
inode = proc_pid_make_inode(dir->i_sb, task);
if (!inode)
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index b1606e07b7a..561a9c050ce 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -723,7 +723,7 @@ int sysfs_schedule_callback(struct kobject *kobj, void (*func)(void *),
mutex_unlock(&sysfs_workq_mutex);
if (sysfs_workqueue == NULL) {
- sysfs_workqueue = create_workqueue("sysfsd");
+ sysfs_workqueue = create_singlethread_workqueue("sysfsd");
if (sysfs_workqueue == NULL) {
module_put(owner);
return -ENOMEM;