tree 5e437314aa2f2c6e59705c4deb45e50959317099
parent b5890d8ba47741425fe3c0d753e1b57bc0561b7b
author Oleg Nesterov <oleg@tv-sign.ru> 1186784477 -0700
committer David S. Miller <davem@sunset.davemloft.net> 1187070729 -0700

[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>