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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-01-29 18:43:26 +0530 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-03-15 02:21:44 -0400 |
| commit | becfd1f37544798cbdfd788f32c827160fab98c1 (patch) | |
| tree | 80353bdc7e59c661e841d2d0029bb308c0ed4da0 /fs/exportfs/expfs.c | |
| parent | 990d6c2d7aee921e3bce22b2d6a750fd552262be (diff) | |
| download | linux-stable-becfd1f37544798cbdfd788f32c827160fab98c1.tar.gz linux-stable-becfd1f37544798cbdfd788f32c827160fab98c1.tar.bz2 linux-stable-becfd1f37544798cbdfd788f32c827160fab98c1.zip | |
vfs: Add open by file handle support
[AV: duplicate of open() guts removed; file_open_root() used instead]
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/exportfs/expfs.c')
| -rw-r--r-- | fs/exportfs/expfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c index cfe55731b6dc..b05acb796135 100644 --- a/fs/exportfs/expfs.c +++ b/fs/exportfs/expfs.c @@ -374,6 +374,8 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid, /* * Try to get any dentry for the given file handle from the filesystem. */ + if (!nop || !nop->fh_to_dentry) + return ERR_PTR(-ESTALE); result = nop->fh_to_dentry(mnt->mnt_sb, fid, fh_len, fileid_type); if (!result) result = ERR_PTR(-ESTALE); |