diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 705c82886281358968a2a7af70a9a1000051698a..825d02fa658678e40312c09bd778a6485be09925 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -2052,8 +2052,10 @@ int ip6_mr_input(struct sk_buff *skb)
 	int err;
 
 	err = ip6mr_fib_lookup(net, &fl6, &mrt);
-	if (err < 0)
+	if (err < 0) {
+		kfree_skb(skb);
 		return err;
+	}
 
 	read_lock(&mrt_lock);
 	cache = ip6mr_cache_find(mrt,