net-timestamp: no-payload option

[cascardo/linux.git] / net / ipv6 / datagram.c

diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 49f5e73..c215be7 100644 (file)
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -369,7 +369,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
 
        serr = SKB_EXT_ERR(skb);
 
-       if (sin) {
+       if (sin && skb->len) {
                const unsigned char *nh = skb_network_header(skb);
                sin->sin6_family = AF_INET6;
                sin->sin6_flowinfo = 0;
@@ -394,8 +394,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
        memcpy(&errhdr.ee, &serr->ee, sizeof(struct sock_extended_err));
        sin = &errhdr.offender;
        memset(sin, 0, sizeof(*sin));
-
-       if (serr->ee.ee_origin != SO_EE_ORIGIN_LOCAL) {
+       if (serr->ee.ee_origin != SO_EE_ORIGIN_LOCAL && skb->len) {
                sin->sin6_family = AF_INET6;
                if (np->rxopt.all) {
                        if (serr->ee.ee_origin != SO_EE_ORIGIN_ICMP &&