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| author | Denis V. Lunev <den@openvz.org> | 2008-08-11 08:02:34 (GMT) |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-10-07 22:15:16 (GMT) |
| commit | 44d5759d3fdad660f000ef319f0ec33a6ac6ae28 (patch) | |
| tree | 2d6508f919c21a3f25254567d88606438f339c38 /fs/nfs/namespace.c | |
| parent | c9f6cde6e26ef98ee9c4b6288b126ac9c580d88b (diff) | |
| download | linux-fsl-qoriq-44d5759d3fdad660f000ef319f0ec33a6ac6ae28.tar.xz | |
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>
Diffstat (limited to 'fs/nfs/namespace.c')
| -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 d398775..64a288e 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); |