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| author | WANG Cong <xiyou.wangcong@gmail.com> | 2014-09-24 17:07:53 -0700 |
|---|---|---|
| committer | Willy Tarreau <w@1wt.eu> | 2017-02-10 11:03:55 +0100 |
| commit | 4d4c1fc6258af913f0a9a9595f2385e58f9f1d9a (patch) | |
| tree | f217b4bdb55c449fac1217e6da794be336ed6434 | |
| parent | 5b97e5f348cf50af84ca008f930d0e4259026bbc (diff) | |
| download | edison-v3.10-4d4c1fc6258af913f0a9a9595f2385e58f9f1d9a.tar.gz | |
neigh: check error pointer instead of NULL for ipv4_neigh_lookup()
commit 2c1a4311b61072afe2309d4152a7993e92caa41c upstream.
Fixes: commit f187bc6efb7250afee0e2009b6106 ("ipv4: No need to set generic neighbour pointer")
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>
| -rw-r--r-- | net/ipv4/route.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 93efb898bd0..cbad9b896c7 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 { |