Commit 776e726b authored Apr 14, 2017 by stephen hemminger Committed by David S. Miller Apr 17, 2017

netvsc: fix RCU warning in get_stats



The statistics functionis called with RTNL held during probe
but with RCU held during access from /proc and elsewhere.
This is safe so update the lockdep annotation.

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

parent 1dbba4cb

drivers/net/hyperv/netvsc_drv.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -943,7 +943,7 @@ static void netvsc_get_stats64(struct net_device *net,
		struct rtnl_link_stats64 *t)
		{
		struct net_device_context *ndev_ctx = netdev_priv(net);
		struct netvsc_device *nvdev = rcu_dereference(ndev_ctx->nvdev);
		struct netvsc_device *nvdev = rcu_dereference_rtnl(ndev_ctx->nvdev);
		int i;

		if (!nvdev)