diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index d88d97617f7e..440080da805b 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -588,7 +588,8 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
 	memcpy(auth_data, ah->auth_data, ahp->icv_trunc_len);
 	memset(ah->auth_data, 0, ahp->icv_trunc_len);
 
-	if (ipv6_clear_mutable_options(ip6h, hdr_len, XFRM_POLICY_IN))
+	err = ipv6_clear_mutable_options(ip6h, hdr_len, XFRM_POLICY_IN);
+	if (err)
 		goto out_free;
 
 	ip6h->priority    = 0;