diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index f6275aa19b6a..d235478d9ca3 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2278,7 +2278,8 @@ int ipmr_get_route(struct net *net, struct sk_buff *skb,
 			rcu_read_unlock();
 			return -ENODEV;
 		}
-		skb2 = skb_clone(skb, GFP_ATOMIC);
+
+		skb2 = skb_realloc_headroom(skb, sizeof(struct iphdr));
 		if (!skb2) {
 			read_unlock(&mrt_lock);
 			rcu_read_unlock();