rtnetlink: prepare nla_put_iflink() to run under RCU

[linux-2.6-block.git] / net / 8021q / vlan_dev.c

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index df55525182517e49b2cfbffe7f102967c66b5952..39876eff51d21f830c3bde1682e07aac698c633e 100644 (file)
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -762,9 +762,9 @@ static void vlan_dev_netpoll_cleanup(struct net_device *dev)
 
 static int vlan_dev_get_iflink(const struct net_device *dev)
 {
-       struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
+       const struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
 
-       return real_dev->ifindex;
+       return READ_ONCE(real_dev->ifindex);
 }
 
 static int vlan_dev_fill_forward_path(struct net_device_path_ctx *ctx,