diff options
| author | Colin Cross <ccross@android.com> | 2011-10-09 02:27:08 +0100 |
|---|---|---|
| committer | Andy Green <andy.green@linaro.org> | 2011-10-09 02:27:08 +0100 |
| commit | 56d8f7888f1230c444349494ad24926ada2f56e1 (patch) | |
| tree | 022f8f99ad96a2230a0635d0fe229406e29943e1 /net | |
| parent | 9876bba6ebe6ebce78bfec9d223196a52097a571 (diff) | |
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 <ccross@android.com>
Diffstat (limited to 'net')
| -rw-r--r-- | 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 d1e438fa0e2..5eb7af23461 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -3328,7 +3328,7 @@ 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); } |