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[DCCP]: fix theoretical ccids_{read,write}_lock() race
authorOleg Nesterov <oleg@tv-sign.ru>
Fri, 10 Aug 2007 22:21:17 +0000 (15:21 -0700)
committerDavid S. Miller <davem@sunset.davemloft.net>
Tue, 14 Aug 2007 05:52:09 +0000 (22:52 -0700)
commitd725fdc8027a4cd961f58d92917fbb91b171abfa
tree5e437314aa2f2c6e59705c4deb45e50959317099tree | snapshot (tar.gz zip)
parentb5890d8ba47741425fe3c0d753e1b57bc0561b7bcommit | diff
[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>
net/dccp/ccid.c diff | blob | blame | history