From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Fri, 10 Aug 2007 22:21:17 +0000 (-0700)
Subject: [DCCP]: fix theoretical ccids_{read,write}_lock() race
X-Git-Tag: v2.6.23-rc4~137^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d725fdc8027a4cd961f58d92917fbb91b171abfa;p=pandora-kernel.git

[DCCP]: fix theoretical ccids_{read,write}_lock() race

Make sure that spin_unlock_wait() is properly ordered wrt atomic_inc().

(akpm: can't we convert this code to use rwlocks?)

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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