nfsd4: check for uninitialized slot
authorJ. Bruce Fields <bfields@redhat.com>
Mon, 13 Feb 2012 21:56:19 +0000 (16:56 -0500)
committerJ. Bruce Fields <bfields@redhat.com>
Tue, 14 Feb 2012 22:01:58 +0000 (17:01 -0500)
This fixes an oops when a buggy client tries to use an initial seqid of
0 on a new slot, which we may misinterpret as a replay.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

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