netfilter: ip6_route_output() never returns NULL.

ip6_route_output() never returns NULL, so it is wrong to
check if the return value is NULL.

Signed-off-by: RongQing.Li <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/netfilter/xt_TEE.c b/net/netfilter/xt_TEE.c
index 3aae66facf9f79d8128857a24461127b0e6389b3..4d5057902839888f1fd5afab0c75ebbaab63775b 100644 (file)
--- a/net/netfilter/xt_TEE.c
+++ b/net/netfilter/xt_TEE.c
@@ -152,9 +152,10 @@ tee_tg_route6(struct sk_buff *skb, const struct xt_tee_tginfo *info)
        fl6.flowlabel = ((iph->flow_lbl[0] & 0xF) << 16) |
                           (iph->flow_lbl[1] << 8) | iph->flow_lbl[2];
        dst = ip6_route_output(net, NULL, &fl6);
-       if (dst == NULL)
+       if (dst->error) {
+               dst_release(dst);
                return false;
-
+       }
        skb_dst_drop(skb);
        skb_dst_set(skb, dst);
        skb->dev      = dst->dev;