From becfd1f37544798cbdfd788f32c827160fab98c1 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Sat, 29 Jan 2011 18:43:26 +0530 Subject: 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 Signed-off-by: Al Viro --- fs/exportfs/expfs.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs/exportfs/expfs.c') 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); -- cgit v1.2.1