From: Jay Vosburgh <fubar@us.ibm.com>
Date: Wed, 30 Jan 2008 02:07:44 +0000 (-0800)
Subject: bonding: fix set_multicast_list locking
X-Git-Tag: v2.6.25-rc1~1065^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=80ee5ad23150f1f3fe8d35728e860850ccea44da;p=pandora-kernel.git

bonding: fix set_multicast_list locking

	This patch eliminates a problem (reported by lockdep) in the
bond_set_multicast_list function.  It first reduces the locking on
bond->lock to a simple read_lock, and second, adds netif_tx locking
around the bonding mc_list manipulations that occur outside of the
set_multicast_list function.

	The original problem was related to IPv6 addrconf activity.

Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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