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| author | Sachin Prabhu <sprabhu@redhat.com> | 2013-11-25 17:09:48 +0000 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2013-12-27 15:14:44 -0600 |
| commit | 750b8de6c4277d7034061e1da50663aa1b0479e4 (patch) | |
| tree | 30bb8c395094d837943a11f05dc54aef193d54fa /fs/cifs/inode.c | |
| parent | ebcc943c11f48617a7536a132c64d2637075e407 (diff) | |
| download | linux-stable-750b8de6c4277d7034061e1da50663aa1b0479e4.tar.gz linux-stable-750b8de6c4277d7034061e1da50663aa1b0479e4.tar.bz2 linux-stable-750b8de6c4277d7034061e1da50663aa1b0479e4.zip | |
cifs: We do not drop reference to tlink in CIFSCheckMFSymlink()
When we obtain tcon from cifs_sb, we use cifs_sb_tlink() to first obtain
tlink which also grabs a reference to it. We do not drop this reference
to tlink once we are done with the call.
The patch fixes this issue by instead passing tcon as a parameter and
avoids having to obtain a reference to the tlink. A lookup for the tcon
is already made in the calling functions and this way we avoid having to
re-run the lookup. This is also consistent with the argument list for
other similar calls for M-F symlinks.
We should also return an ENOSYS when we do not find a protocol specific
function to lookup the MF Symlink data.
Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
CC: Stable <stable@kernel.org>
Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/inode.c')
| -rw-r--r-- | fs/cifs/inode.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 36f9ebb93ceb..49719b8228e5 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -383,7 +383,8 @@ int cifs_get_inode_info_unix(struct inode **pinode, /* check for Minshall+French symlinks */ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) { - int tmprc = CIFSCheckMFSymlink(&fattr, full_path, cifs_sb, xid); + int tmprc = CIFSCheckMFSymlink(xid, tcon, cifs_sb, &fattr, + full_path); if (tmprc) cifs_dbg(FYI, "CIFSCheckMFSymlink: %d\n", tmprc); } @@ -799,7 +800,8 @@ cifs_get_inode_info(struct inode **inode, const char *full_path, /* check for Minshall+French symlinks */ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) { - tmprc = CIFSCheckMFSymlink(&fattr, full_path, cifs_sb, xid); + tmprc = CIFSCheckMFSymlink(xid, tcon, cifs_sb, &fattr, + full_path); if (tmprc) cifs_dbg(FYI, "CIFSCheckMFSymlink: %d\n", tmprc); } |