From: Jay Vosburgh <fubar@us.ibm.com>
Date: Fri, 18 Jan 2008 00:25:02 +0000 (-0800)
Subject: bonding: fix lock ordering for rtnl and bonding_rwsem
X-Git-Tag: v2.6.24~41^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=027ea0416c955778ceca7ef82e48a1dd6b4617c9;p=pandora-kernel.git

bonding: fix lock ordering for rtnl and bonding_rwsem

Fix the handling of rtnl and the bonding_rwsem to always be acquired
in a consistent order (rtnl, then bonding_rwsem).

The existing code sometimes acquired them in this order, and sometimes
in the opposite order, which opens a window for deadlock between ifenslave
and sysfs.

Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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