diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 84adb57..fe11f60 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -501,15 +501,16 @@
 	if (!(rt->rt_flags & RTCF_LOCAL)) {
 		struct net_device *dev = NULL;
 
+		rcu_read_lock();
 		if (rt->fl.iif &&
 			net->ipv4.sysctl_icmp_errors_use_inbound_ifaddr)
-			dev = dev_get_by_index(net, rt->fl.iif);
+			dev = dev_get_by_index_rcu(net, rt->fl.iif);
 
-		if (dev) {
+		if (dev)
 			saddr = inet_select_addr(dev, 0, RT_SCOPE_LINK);
-			dev_put(dev);
-		} else
+		else
 			saddr = 0;
+		rcu_read_unlock();
 	}
 
 	tos = icmp_pointers[type].error ? ((iph->tos & IPTOS_TOS_MASK) |