diff options
| author | Denis V. Lunev <den@openvz.org> | 2008-08-11 10:02:34 +0200 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-10-08 00:15:16 +0200 |
| commit | 44d5759d3fdad660f000ef319f0ec33a6ac6ae28 (patch) | |
| tree | 2d6508f919c21a3f25254567d88606438f339c38 | |
| parent | sunrpc: do not pin sunrpc module in the memory (diff) | |
| download | linux-44d5759d3fdad660f000ef319f0ec33a6ac6ae28.tar.xz linux-44d5759d3fdad660f000ef319f0ec33a6ac6ae28.zip | |
nfs: BUG_ON in nfs_follow_mountpoint
Unfortunately, BUG_ON(IS_ROOT(dentry)) can happen inside
nfs_follow_mountpoint with NFS running Fedora 8 using a
specific setup.
https://bugzilla.redhat.com/show_bug.cgi?id=458622
So, the situation should be handled on NFS client gracefully.
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Trond Myklebust <Trond.Myklebust@netapp.com>
CC: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/namespace.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index d398775a3af5..64a288ee046d 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -105,7 +105,10 @@ static void * nfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd) dprintk("--> nfs_follow_mountpoint()\n"); - BUG_ON(IS_ROOT(dentry)); + err = -ESTALE; + if (IS_ROOT(dentry)) + goto out_err; + dprintk("%s: enter\n", __func__); dput(nd->path.dentry); nd->path.dentry = dget(dentry); |