diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 4fcd9bca950e5ceecff9ce2f0cbed8b1b6eb689a..fc2be63e32d586d2b192314a7609c9e515ee7ddd 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -884,6 +884,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
 		int ret;
 
 		if (!uh->check && !sk->sk_no_check) {
+			sock_put(sk);
 			udp6_csum_zero_error(skb);
 			goto csum_error;
 		}