diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 7927a84..5656e8a 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -464,7 +464,7 @@
 
 int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen)
 {
-	int err;
+	int uninitialized_var(err);
 	struct net *net = sock_net(sk);
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct in6_flowlabel_req freq;