From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Sat, 21 Apr 2012 16:31:05 +0000 (-0400)
Subject: NFSv4: Ensure that we don't drop a state owner more than once
X-Git-Tag: v3.4-rc5~29^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c77365c963cf8703ecf1004cd3b298068a3e1b76;p=pandora-kernel.git

NFSv4: Ensure that we don't drop a state owner more than once

Retest the RB_EMPTY_NODE() condition under the spin lock
to ensure that we don't call rb_erase() more than once on the
same state owner.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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