NFSv4: Fix a potentially Oopsable condition in __nfs_idmap_unregister
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Mon, 26 Aug 2013 21:26:51 +0000 (17:26 -0400)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Fri, 30 Aug 2013 13:19:38 +0000 (09:19 -0400)
commitd7631250b20119ea763d9ba461c3a9c5710cfa98
tree1e5b99d2a3228c934f36eed156fd02938b620c2d
parent6b2fddd3e7f7cd437fb234407d7504fd22caf064
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>
fs/nfs/idmap.c