From: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Date: Thu, 27 Jun 2013 09:10:23 +0000 (+0000)
Subject: igb: Added rcu_lock to avoid race
X-Git-Tag: v3.12-rc1~132^2~206^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7f90128e246ea9827dd5ac532e49611aaf001892;p=pandora-kernel.git

igb: Added rcu_lock to avoid race

This patch adds rcu_lock to avoid possible race condition with igb_update_stats
function accessing the rings in free_ q_vector.

CC: Eric Dumazet <edumazet@google.com>
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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