From: Michael Chan
Date: Fri, 6 Jan 2017 16:18:53 -0500
> The driver's ndo_get_stats64() method is not always called under RTNL.
> So it can race with driver close or ethtool reconfigurations. Fix the
> race condition by taking tp->lock spinlock in tg3_free_consistent()
> when freeing the tp->h
The driver's ndo_get_stats64() method is not always called under RTNL.
So it can race with driver close or ethtool reconfigurations. Fix the
race condition by taking tp->lock spinlock in tg3_free_consistent()
when freeing the tp->hw_stats memory block. tg3_get_stats64() is
already taking tp->lock
