From 99e01b39d98cd93ca749cca79272d7eb40cc07b0 Mon Sep 17 00:00:00 2001 From: Colin Cross Date: Wed, 22 Jun 2011 14:27:37 -0700 Subject: [PATCH 322/696] net: ipv4: tcp: Fix crash in tcp_nuke_addr ip_route_output_key can return an ERR_PTR, don't dereference it. Change-Id: I6b86a451b2bdb33873d79b3cf90c11dbe72bc081 Signed-off-by: Colin Cross --- net/ipv4/tcp.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index d99fd5c..0387db5 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -3334,7 +3334,7 @@ static int tcp_is_local(struct net *net, __be32 addr) { struct rtable *rt; struct flowi4 fl4 = { .daddr = addr }; rt = ip_route_output_key(net, &fl4); - if (!rt) + if (IS_ERR_OR_NULL(rt)) return 0; return rt->dst.dev && (rt->dst.dev->flags & IFF_LOOPBACK); } -- 1.7.1