From f207c10d982388fa42710922ad1c0c9d3ba9a87b Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Thu, 22 Sep 2016 16:56:33 -0700 Subject: hv_netvsc: use RCU to protect vf_netdev The vf_netdev pointer in the netvsc device context can simply be protected by RCU because network device destruction is already RCU synchronized. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- drivers/net/hyperv/hyperv_net.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/hyperv/hyperv_net.h') diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 284b97b6b258..6b7948764443 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -695,7 +695,7 @@ struct net_device_context { bool start_remove; /* State to manage the associated VF interface. */ - struct net_device *vf_netdev; + struct net_device __rcu *vf_netdev; bool vf_inject; atomic_t vf_use_cnt; /* 1: allocated, serial number is valid. 0: not allocated */ -- cgit v1.2.3