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(parent: 0a7bc86) | patch
NFS: Fix a delegation callback race
authorTrond Myklebust <trond.myklebust@primarydata.com>
Mon, 3 Mar 2014 03:03:12 +0000 (22:03 -0500)
committerJiri Slaby <jslaby@suse.cz>
Sat, 22 Mar 2014 21:01:58 +0000 (22:01 +0100)
commit793c6f9509f87e2918a551e88605d833cacc9546
treeda9d08940fa47aa6a124c364da813d2dd4e1a26ftree | snapshot
parent0a7bc8661cf5b00ed5d6db543e820972f813c442commit | diff
NFS: Fix a delegation callback race

commit 755a48a7a4eb05b9c8424e3017d947b2961a60e0 upstream.

The clean-up in commit 36281caa839f ended up removing a NULL pointer check
that is needed in order to prevent an Oops in
nfs_async_inode_return_delegation().

Reported-by: "Yan, Zheng" <zheng.z.yan@intel.com>
Link: http://lkml.kernel.org/r/5313E9F6.2020405@intel.com
Fixes: 36281caa839f (NFSv4: Further clean-ups of delegation stateid validation)
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
fs/nfs/delegation.c diff | blob | history
Domain: System / Uncategorized;