Bluetooth: Fix l2cap_sock_setsockopt() with optname BT_RCVMTU

[firefly-linux-kernel-4.4.55.git] / net / ipv4 / udp_tunnel.c

diff --git a/net/ipv4/udp_tunnel.c b/net/ipv4/udp_tunnel.c
index aba428626b5290ddf68c8b350b8b2879119d136b..280a9bdeddeeaad5dcbf3181e02cae946403e44d 100644 (file)
--- a/net/ipv4/udp_tunnel.c
+++ b/net/ipv4/udp_tunnel.c
@@ -89,6 +89,8 @@ int udp_tunnel_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *skb,
        uh->source = src_port;
        uh->len = htons(skb->len);
 
+       memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
+
        udp_set_csum(nocheck, skb, src, dst, skb->len);
 
        return iptunnel_xmit(sk, rt, skb, src, dst, IPPROTO_UDP,