From: Amerigo Wang <amwang@redhat.com>
Date: Fri, 10 Aug 2012 01:24:40 +0000 (+0000)
Subject: netpoll: take rcu_read_lock_bh() in netpoll_rx()
X-Git-Tag: v3.6-rc3~10^2~65
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=57c5d46191e75312934c00eba65b13a31ca95120;p=pandora-kernel.git

netpoll: take rcu_read_lock_bh() in netpoll_rx()

In __netpoll_rx(), it dereferences ->npinfo without rcu_dereference_bh(),
this patch fixes it by using the 'npinfo' passed from netpoll_rx()
where it is already dereferenced with rcu_dereference_bh().

Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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