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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-26 21:26:51 (GMT) |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-30 13:19:38 (GMT) |
| commit | d7631250b20119ea763d9ba461c3a9c5710cfa98 (patch) | |
| tree | 1e5b99d2a3228c934f36eed156fd02938b620c2d | |
| parent | 6b2fddd3e7f7cd437fb234407d7504fd22caf064 (diff) | |
| download | linux-fsl-qoriq-d7631250b20119ea763d9ba461c3a9c5710cfa98.tar.xz | |
NFSv4: Fix a potentially Oopsable condition in __nfs_idmap_unregister
Ensure that __nfs_idmap_unregister can be called twice without
consequences.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/idmap.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c index e9b0c59..8b7e94a 100644 --- a/fs/nfs/idmap.c +++ b/fs/nfs/idmap.c @@ -404,8 +404,10 @@ static struct key_type key_type_id_resolver_legacy = { static void __nfs_idmap_unregister(struct rpc_pipe *pipe) { - if (pipe->dentry) + if (pipe->dentry) { rpc_unlink(pipe->dentry); + pipe->dentry = NULL; + } } static int __nfs_idmap_register(struct dentry *dir, |