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authorJeff Layton <jlayton@redhat.com>2009-07-09 01:46:37 -0400
committerSteve French <sfrench@us.ibm.com>2009-07-09 23:05:48 +0000
commit0b8f18e358384a52c1ed7fa7129c08e7eaf86bb6 (patch)
treeba5292a38d8910c6b3a3303a3c7f88491e1708af /fs/cifs/inode.c
parentb77863bfa153e886f9f8faf1a791ba57a36efed0 (diff)
cifs: convert cifs_get_inode_info and non-posix readdir to use cifs_iget
cifs: convert cifs_get_inode_info and non-posix readdir to use cifs_iget Rather than allocating an inode and filling it out, have cifs_get_inode_info fill out a cifs_fattr and call cifs_iget. This means a pretty hefty reorganization of cifs_get_inode_info. For the readdir codepath, add a couple of new functions for filling out cifs_fattr's from different FindFile response infolevels. Finally, remove cifs_new_inode since there are no more callers. Signed-off-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/inode.c')
-rw-r--r--fs/cifs/inode.c397
1 files changed, 151 insertions, 246 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 55b616bb381..a807397f444 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -82,23 +82,34 @@ void
cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
{
struct cifsInodeInfo *cifs_i = CIFS_I(inode);
- unsigned long now = jiffies;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+ unsigned long oldtime = cifs_i->time;
inode->i_atime = fattr->cf_atime;
inode->i_mtime = fattr->cf_mtime;
inode->i_ctime = fattr->cf_ctime;
- inode->i_mode = fattr->cf_mode;
inode->i_rdev = fattr->cf_rdev;
inode->i_nlink = fattr->cf_nlink;
inode->i_uid = fattr->cf_uid;
inode->i_gid = fattr->cf_gid;
+ /* if dynperm is set, don't clobber existing mode */
+ if (inode->i_state & I_NEW ||
+ !(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM))
+ inode->i_mode = fattr->cf_mode;
+
cifs_i->cifsAttrs = fattr->cf_cifsattrs;
cifs_i->uniqueid = fattr->cf_uniqueid;
+ if (fattr->cf_flags & CIFS_FATTR_NEED_REVAL)
+ cifs_i->time = 0;
+ else
+ cifs_i->time = jiffies;
+
cFYI(1, ("inode 0x%p old_time=%ld new_time=%ld", inode,
- cifs_i->time, now));
- cifs_i->time = now;
+ oldtime, cifs_i->time));
+
+ cifs_i->delete_pending = fattr->cf_flags & CIFS_FATTR_DELETE_PENDING;
/*
* Can't safely change the file size here if the client is writing to
@@ -219,49 +230,6 @@ cifs_create_dfs_fattr(struct cifs_fattr *fattr, struct super_block *sb)
fattr->cf_flags |= CIFS_FATTR_DFS_REFERRAL;
}
-/**
- * cifs_new inode - create new inode, initialize, and hash it
- * @sb - pointer to superblock
- * @inum - if valid pointer and serverino is enabled, replace i_ino with val
- *
- * Create a new inode, initialize it for CIFS and hash it. Returns the new
- * inode or NULL if one couldn't be allocated.
- *
- * If the share isn't mounted with "serverino" or inum is a NULL pointer then
- * we'll just use the inode number assigned by new_inode(). Note that this can
- * mean i_ino collisions since the i_ino assigned by new_inode is not
- * guaranteed to be unique.
- */
-struct inode *
-cifs_new_inode(struct super_block *sb, __u64 *inum)
-{
- struct inode *inode;
-
- inode = new_inode(sb);
- if (inode == NULL)
- return NULL;
-
- /*
- * BB: Is i_ino == 0 legal? Here, we assume that it is. If it isn't we
- * stop passing inum as ptr. Are there sanity checks we can use to
- * ensure that the server is really filling in that field? Also,
- * if serverino is disabled, perhaps we should be using iunique()?
- */
- if (inum && (CIFS_SB(sb)->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM))
- inode->i_ino = (unsigned long) *inum;
-
- /*
- * must set this here instead of cifs_alloc_inode since VFS will
- * clobber i_flags
- */
- if (sb->s_flags & MS_NOATIME)
- inode->i_flags |= S_NOATIME | S_NOCMTIME;
-
- insert_inode_hash(inode);
-
- return inode;
-}
-
int cifs_get_inode_info_unix(struct inode **pinode,
const unsigned char *full_path,
struct super_block *sb, int xid)
@@ -302,9 +270,9 @@ int cifs_get_inode_info_unix(struct inode **pinode,
return rc;
}
-static int decode_sfu_inode(struct inode *inode, __u64 size,
- const unsigned char *path,
- struct cifs_sb_info *cifs_sb, int xid)
+static int
+cifs_sfu_type(struct cifs_fattr *fattr, const unsigned char *path,
+ struct cifs_sb_info *cifs_sb, int xid)
{
int rc;
int oplock = 0;
@@ -316,10 +284,15 @@ static int decode_sfu_inode(struct inode *inode, __u64 size,
pbuf = buf;
- if (size == 0) {
- inode->i_mode |= S_IFIFO;
+ fattr->cf_mode &= ~S_IFMT;
+
+ if (fattr->cf_eof == 0) {
+ fattr->cf_mode |= S_IFIFO;
+ fattr->cf_dtype = DT_FIFO;
return 0;
- } else if (size < 8) {
+ } else if (fattr->cf_eof < 8) {
+ fattr->cf_mode |= S_IFREG;
+ fattr->cf_dtype = DT_REG;
return -EINVAL; /* EOPNOTSUPP? */
}
@@ -331,42 +304,46 @@ static int decode_sfu_inode(struct inode *inode, __u64 size,
if (rc == 0) {
int buf_type = CIFS_NO_BUFFER;
/* Read header */
- rc = CIFSSMBRead(xid, pTcon,
- netfid,
+ rc = CIFSSMBRead(xid, pTcon, netfid,
24 /* length */, 0 /* offset */,
&bytes_read, &pbuf, &buf_type);
if ((rc == 0) && (bytes_read >= 8)) {
if (memcmp("IntxBLK", pbuf, 8) == 0) {
cFYI(1, ("Block device"));
- inode->i_mode |= S_IFBLK;
+ fattr->cf_mode |= S_IFBLK;
+ fattr->cf_dtype = DT_BLK;
if (bytes_read == 24) {
/* we have enough to decode dev num */
__u64 mjr; /* major */
__u64 mnr; /* minor */
mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
- inode->i_rdev = MKDEV(mjr, mnr);
+ fattr->cf_rdev = MKDEV(mjr, mnr);
}
} else if (memcmp("IntxCHR", pbuf, 8) == 0) {
cFYI(1, ("Char device"));
- inode->i_mode |= S_IFCHR;
+ fattr->cf_mode |= S_IFCHR;
+ fattr->cf_dtype = DT_CHR;
if (bytes_read == 24) {
/* we have enough to decode dev num */
__u64 mjr; /* major */
__u64 mnr; /* minor */
mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
- inode->i_rdev = MKDEV(mjr, mnr);
+ fattr->cf_rdev = MKDEV(mjr, mnr);
}
} else if (memcmp("IntxLNK", pbuf, 7) == 0) {
cFYI(1, ("Symlink"));
- inode->i_mode |= S_IFLNK;
+ fattr->cf_mode |= S_IFLNK;
+ fattr->cf_dtype = DT_LNK;
} else {
- inode->i_mode |= S_IFREG; /* file? */
+ fattr->cf_mode |= S_IFREG; /* file? */
+ fattr->cf_dtype = DT_REG;
rc = -EOPNOTSUPP;
}
} else {
- inode->i_mode |= S_IFREG; /* then it is a file */
+ fattr->cf_mode |= S_IFREG; /* then it is a file */
+ fattr->cf_dtype = DT_REG;
rc = -EOPNOTSUPP; /* or some unknown SFU type */
}
CIFSSMBClose(xid, pTcon, netfid);
@@ -376,9 +353,13 @@ static int decode_sfu_inode(struct inode *inode, __u64 size,
#define SFBITS_MASK (S_ISVTX | S_ISGID | S_ISUID) /* SETFILEBITS valid bits */
-static int get_sfu_mode(struct inode *inode,
- const unsigned char *path,
- struct cifs_sb_info *cifs_sb, int xid)
+/*
+ * Fetch mode bits as provided by SFU.
+ *
+ * FIXME: Doesn't this clobber the type bit we got from cifs_sfu_type ?
+ */
+static int cifs_sfu_mode(struct cifs_fattr *fattr, const unsigned char *path,
+ struct cifs_sb_info *cifs_sb, int xid)
{
#ifdef CONFIG_CIFS_XATTR
ssize_t rc;
@@ -386,68 +367,80 @@ static int get_sfu_mode(struct inode *inode,
__u32 mode;
rc = CIFSSMBQueryEA(xid, cifs_sb->tcon, path, "SETFILEBITS",
- ea_value, 4 /* size of buf */, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ ea_value, 4 /* size of buf */, cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc < 0)
return (int)rc;
else if (rc > 3) {
mode = le32_to_cpu(*((__le32 *)ea_value));
- inode->i_mode &= ~SFBITS_MASK;
- cFYI(1, ("special bits 0%o org mode 0%o", mode, inode->i_mode));
- inode->i_mode = (mode & SFBITS_MASK) | inode->i_mode;
+ fattr->cf_mode &= ~SFBITS_MASK;
+ cFYI(1, ("special bits 0%o org mode 0%o", mode,
+ fattr->cf_mode));
+ fattr->cf_mode = (mode & SFBITS_MASK) | fattr->cf_mode;
cFYI(1, ("special mode bits 0%o", mode));
- return 0;
- } else {
- return 0;
}
+
+ return 0;
#else
return -EOPNOTSUPP;
#endif
}
-/*
- * Needed to setup inode data for the directory which is the
- * junction to the new submount (ie to setup the fake directory
- * which represents a DFS referral)
- */
-static void fill_fake_finddata(FILE_ALL_INFO *pfnd_dat,
- struct super_block *sb)
+/* Fill a cifs_fattr struct with info from FILE_ALL_INFO */
+void
+cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info,
+ struct cifs_sb_info *cifs_sb, bool adjust_tz)
{
- memset(pfnd_dat, 0, sizeof(FILE_ALL_INFO));
-
-/* __le64 pfnd_dat->AllocationSize = cpu_to_le64(0);
- __le64 pfnd_dat->EndOfFile = cpu_to_le64(0);
- __u8 pfnd_dat->DeletePending = 0;
- __u8 pfnd_data->Directory = 0;
- __le32 pfnd_dat->EASize = 0;
- __u64 pfnd_dat->IndexNumber = 0;
- __u64 pfnd_dat->IndexNumber1 = 0; */
- pfnd_dat->CreationTime =
- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
- pfnd_dat->LastAccessTime =
- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
- pfnd_dat->LastWriteTime =
- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
- pfnd_dat->ChangeTime =
- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
- pfnd_dat->Attributes = cpu_to_le32(ATTR_DIRECTORY);
- pfnd_dat->NumberOfLinks = cpu_to_le32(2);
+ memset(fattr, 0, sizeof(*fattr));
+ fattr->cf_cifsattrs = le32_to_cpu(info->Attributes);
+ if (info->DeletePending)
+ fattr->cf_flags |= CIFS_FATTR_DELETE_PENDING;
+
+ if (info->LastAccessTime)
+ fattr->cf_atime = cifs_NTtimeToUnix(info->LastAccessTime);
+ else
+ fattr->cf_atime = CURRENT_TIME;
+
+ fattr->cf_ctime = cifs_NTtimeToUnix(info->ChangeTime);
+ fattr->cf_mtime = cifs_NTtimeToUnix(info->LastWriteTime);
+
+ if (adjust_tz) {
+ fattr->cf_ctime.tv_sec += cifs_sb->tcon->ses->server->timeAdj;
+ fattr->cf_mtime.tv_sec += cifs_sb->tcon->ses->server->timeAdj;
+ }
+
+ fattr->cf_eof = le64_to_cpu(info->EndOfFile);
+ fattr->cf_bytes = le64_to_cpu(info->AllocationSize);
+
+ if (fattr->cf_cifsattrs & ATTR_DIRECTORY) {
+ fattr->cf_mode = S_IFDIR | cifs_sb->mnt_dir_mode;
+ fattr->cf_dtype = DT_DIR;
+ } else {
+ fattr->cf_mode = S_IFREG | cifs_sb->mnt_file_mode;
+ fattr->cf_dtype = DT_REG;
+ }
+
+ /* clear write bits if ATTR_READONLY is set */
+ if (fattr->cf_cifsattrs & ATTR_READONLY)
+ fattr->cf_mode &= ~(S_IWUGO);
+
+ fattr->cf_nlink = le32_to_cpu(info->NumberOfLinks);
+
+ fattr->cf_uid = cifs_sb->mnt_uid;
+ fattr->cf_gid = cifs_sb->mnt_gid;
}
int cifs_get_inode_info(struct inode **pinode,
const unsigned char *full_path, FILE_ALL_INFO *pfindData,
struct super_block *sb, int xid, const __u16 *pfid)
{
- int rc = 0;
- __u32 attr;
- struct cifsInodeInfo *cifsInfo;
+ int rc = 0, tmprc;
struct cifsTconInfo *pTcon;
- struct inode *inode;
struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
char *buf = NULL;
bool adjustTZ = false;
- bool is_dfs_referral = false;
- umode_t default_mode;
+ struct cifs_fattr fattr;
pTcon = cifs_sb->tcon;
cFYI(1, ("Getting info on %s", full_path));
@@ -482,163 +475,82 @@ int cifs_get_inode_info(struct inode **pinode,
adjustTZ = true;
}
}
- /* dump_mem("\nQPathInfo return data",&findData, sizeof(findData)); */
- if (rc == -EREMOTE) {
- is_dfs_referral = true;
- fill_fake_finddata(pfindData, sb);
+
+ if (!rc) {
+ cifs_all_info_to_fattr(&fattr, (FILE_ALL_INFO *) pfindData,
+ cifs_sb, adjustTZ);
+ } else if (rc == -EREMOTE) {
+ cifs_create_dfs_fattr(&fattr, sb);
rc = 0;
- } else if (rc)
+ } else {
goto cgii_exit;
+ }
- attr = le32_to_cpu(pfindData->Attributes);
-
- /* get new inode */
+ /*
+ * If an inode wasn't passed in, then get the inode number
+ *
+ * Is an i_ino of zero legal? Can we use that to check if the server
+ * supports returning inode numbers? Are there other sanity checks we
+ * can use to ensure that the server is really filling in that field?
+ *
+ * We can not use the IndexNumber field by default from Windows or
+ * Samba (in ALL_INFO buf) but we can request it explicitly. The SNIA
+ * CIFS spec claims that this value is unique within the scope of a
+ * share, and the windows docs hint that it's actually unique
+ * per-machine.
+ *
+ * There may be higher info levels that work but are there Windows
+ * server or network appliances for which IndexNumber field is not
+ * guaranteed unique?
+ */
if (*pinode == NULL) {
- __u64 inode_num;
- __u64 *pinum = &inode_num;
-
- /* Is an i_ino of zero legal? Can we use that to check
- if the server supports returning inode numbers? Are
- there other sanity checks we can use to ensure that
- the server is really filling in that field? */
-
- /* We can not use the IndexNumber field by default from
- Windows or Samba (in ALL_INFO buf) but we can request
- it explicitly. It may not be unique presumably if
- the server has multiple devices mounted under one share */
-
- /* There may be higher info levels that work but are
- there Windows server or network appliances for which
- IndexNumber field is not guaranteed unique? */
-
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) {
int rc1 = 0;
rc1 = CIFSGetSrvInodeNumber(xid, pTcon,
- full_path, pinum,
+ full_path, &fattr.cf_uniqueid,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc1) {
- cFYI(1, ("GetSrvInodeNum rc %d", rc1));
- pinum = NULL;
/* BB EOPNOSUPP disable SERVER_INUM? */
+ cFYI(1, ("GetSrvInodeNum rc %d", rc1));
+ fattr.cf_uniqueid = iunique(sb, ROOT_I);
}
} else {
- pinum = NULL;
+ fattr.cf_uniqueid = iunique(sb, ROOT_I);
}
-
- *pinode = cifs_new_inode(sb, pinum);
- if (*pinode == NULL) {
- rc = -ENOMEM;
- goto cgii_exit;
- }
- }
- inode = *pinode;
- cifsInfo = CIFS_I(inode);
- cifsInfo->cifsAttrs = attr;
- cifsInfo->delete_pending = pfindData->DeletePending ? true : false;
- cFYI(1, ("Old time %ld", cifsInfo->time));
- cifsInfo->time = jiffies;
- cFYI(1, ("New time %ld", cifsInfo->time));
-
- /* blksize needs to be multiple of two. So safer to default to
- blksize and blkbits set in superblock so 2**blkbits and blksize
- will match rather than setting to:
- (pTcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE) & 0xFFFFFE00;*/
-
- /* Linux can not store file creation time so ignore it */
- if (pfindData->LastAccessTime)
- inode->i_atime = cifs_NTtimeToUnix(pfindData->LastAccessTime);
- else /* do not need to use current_fs_time - time not stored */
- inode->i_atime = CURRENT_TIME;
- inode->i_mtime = cifs_NTtimeToUnix(pfindData->LastWriteTime);
- inode->i_ctime = cifs_NTtimeToUnix(pfindData->ChangeTime);
- cFYI(DBG2, ("Attributes came in as 0x%x", attr));
- if (adjustTZ && (pTcon->ses) && (pTcon->ses->server)) {
- inode->i_ctime.tv_sec += pTcon->ses->server->timeAdj;
- inode->i_mtime.tv_sec += pTcon->ses->server->timeAdj;
- }
-
- /* get default inode mode */
- if (attr & ATTR_DIRECTORY)
- default_mode = cifs_sb->mnt_dir_mode;
- else
- default_mode = cifs_sb->mnt_file_mode;
-
- /* set permission bits */
- if (atomic_read(&cifsInfo->inUse) == 0 ||
- (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) == 0)
- inode->i_mode = default_mode;
- else {
- /* just reenable write bits if !ATTR_READONLY */
- if ((inode->i_mode & S_IWUGO) == 0 &&
- (attr & ATTR_READONLY) == 0)
- inode->i_mode |= (S_IWUGO & default_mode);
-
- inode->i_mode &= ~S_IFMT;
- }
- /* clear write bits if ATTR_READONLY is set */
- if (attr & ATTR_READONLY)
- inode->i_mode &= ~S_IWUGO;
-
- /* set inode type */
- if ((attr & ATTR_SYSTEM) &&
- (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)) {
- /* no need to fix endianness on 0 */
- if (pfindData->EndOfFile == 0)
- inode->i_mode |= S_IFIFO;
- else if (decode_sfu_inode(inode,
- le64_to_cpu(pfindData->EndOfFile),
- full_path, cifs_sb, xid))
- cFYI(1, ("unknown SFU file type\n"));
} else {
- if (attr & ATTR_DIRECTORY)
- inode->i_mode |= S_IFDIR;
- else
- inode->i_mode |= S_IFREG;
+ fattr.cf_uniqueid = CIFS_I(*pinode)->uniqueid;
}
- cifsInfo->server_eof = le64_to_cpu(pfindData->EndOfFile);
- spin_lock(&inode->i_lock);
- if (is_size_safe_to_change(cifsInfo, cifsInfo->server_eof)) {
- /* can not safely shrink the file size here if the
- client is writing to it due to potential races */
- i_size_write(inode, cifsInfo->server_eof);
-
- /* 512 bytes (2**9) is the fake blocksize that must be
- used for this calculation */
- inode->i_blocks = (512 - 1 + le64_to_cpu(
- pfindData->AllocationSize)) >> 9;
+ /* query for SFU type info if supported and needed */
+ if (fattr.cf_cifsattrs & ATTR_SYSTEM &&
+ cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
+ tmprc = cifs_sfu_type(&fattr, full_path, cifs_sb, xid);
+ if (tmprc)
+ cFYI(1, ("cifs_sfu_type failed: %d", tmprc));
}
- spin_unlock(&inode->i_lock);
- inode->i_nlink = le32_to_cpu(pfindData->NumberOfLinks);
-
- /* BB fill in uid and gid here? with help from winbind?
- or retrieve from NTFS stream extended attribute */
#ifdef CONFIG_CIFS_EXPERIMENTAL
/* fill in 0777 bits from ACL */
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
cFYI(1, ("Getting mode bits from ACL"));
- acl_to_uid_mode(cifs_sb, inode, full_path, pfid);
+ cifs_acl_to_fattr(cifs_sb, &fattr, *pinode, full_path, pfid);
}
#endif
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
- /* fill in remaining high mode bits e.g. SUID, VTX */
- get_sfu_mode(inode, full_path, cifs_sb, xid);
- } else if (atomic_read(&cifsInfo->inUse) == 0) {
- inode->i_uid = cifs_sb->mnt_uid;
- inode->i_gid = cifs_sb->mnt_gid;
- /* set so we do not keep refreshing these fields with
- bad data after user has changed them in memory */
- atomic_set(&cifsInfo->inUse, 1);
- }
-
- cifs_set_ops(inode, is_dfs_referral);
-
+ /* fill in remaining high mode bits e.g. SUID, VTX */
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)
+ cifs_sfu_mode(&fattr, full_path, cifs_sb, xid);
+ if (!*pinode) {
+ *pinode = cifs_iget(sb, &fattr);
+ if (!*pinode)
+ rc = -ENOMEM;
+ } else {
+ cifs_fattr_to_inode(*pinode, &fattr);
+ }
cgii_exit:
kfree(buf);
@@ -753,21 +665,14 @@ struct inode *cifs_root_iget(struct super_block *sb, unsigned long ino)
return ERR_PTR(-ENOMEM);
xid = GetXid();
- if (cifs_sb->tcon->unix_ext) {
+ if (cifs_sb->tcon->unix_ext)
rc = cifs_get_inode_info_unix(&inode, full_path, sb, xid);
- if (!inode)
- return ERR_PTR(-ENOMEM);
- } else {
- inode = iget_locked(sb, ino);
- if (!inode)
- return ERR_PTR(-ENOMEM);
- if (!(inode->i_state & I_NEW))
- return inode;
-
- rc = cifs_get_inode_info(&inode, full_path, NULL, inode->i_sb,
+ else
+ rc = cifs_get_inode_info(&inode, full_path, NULL, sb,
xid, NULL);
- unlock_new_inode(inode);
- }
+
+ if (!inode)
+ return ERR_PTR(-ENOMEM);
if (rc && cifs_sb->tcon->ipc) {
cFYI(1, ("ipc connection - fake read inode"));