From: WANG Cong <xiyou.wangcong@xxxxxxxxx>
commit 2c1a4311b61072afe2309d4152a7993e92caa41c upstream.
Fixes: commit f187bc6efb7250afee0e2009b6106 ("ipv4: No need to set generic neighbour pointer")
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Willy Tarreau <w@xxxxxx>
---
net/ipv4/route.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 93efb89..cbad9b8 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -714,7 +714,7 @@ static void __ip_do_redirect(struct rtable *rt, struct sk_buff *skb, struct flow
}
n = ipv4_neigh_lookup(&rt->dst, NULL, &new_gw);
- if (n) {
+ if (!IS_ERR(n)) {
if (!(n->nud_state & NUD_VALID)) {
neigh_event_send(n, NULL);
} else {
--
2.8.0.rc2.1.gbe9624a
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