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path: root/net/ipv6/ip6_tunnel.c
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Diffstat (limited to 'net/ipv6/ip6_tunnel.c')
-rw-r--r--net/ipv6/ip6_tunnel.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index b47ffc81f9e5..53f632a560ec 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1122,7 +1122,10 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield,
memcpy(&fl6->daddr, addr6, sizeof(fl6->daddr));
neigh_release(neigh);
} else if (skb->protocol == htons(ETH_P_IP)) {
- struct rtable *rt = skb_rtable(skb);
+ const struct rtable *rt = skb_rtable(skb);
+
+ if (!rt)
+ goto tx_err_link_failure;
if (rt->rt_gw_family == AF_INET6)
memcpy(&fl6->daddr, &rt->rt_gw6, sizeof(fl6->daddr));