From: stephen hemminger <shemminger@vyatta.com>
Date: Tue, 2 Mar 2010 13:32:44 +0000 (+0000)
Subject: IPv6: addrconf dad timer unnecessary bh_disable
X-Git-Tag: v2.6.34-rc2~48^2~76
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=122e4519cd5c224d4b8e681d368132b643e28f60;p=pandora-kernel.git

IPv6: addrconf dad timer unnecessary bh_disable

Timer code runs in bottom half, so there is no need for
using _bh form of locking.  Also check if device is not ready
to avoid race with address that is no longer active.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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