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igb: Added rcu_lock to avoid race
authorAkeem G Abodunrin <akeem.g.abodunrin@intel.com>
Thu, 27 Jun 2013 09:10:23 +0000 (09:10 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Thu, 22 Aug 2013 09:25:29 +0000 (02:25 -0700)
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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