diff options
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/ip_tunnel.c | 11 | ||||
| -rw-r--r-- | net/ipv4/route.c | 2 |
2 files changed, 9 insertions, 4 deletions
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index b75b47b0a223..2272de90c2d4 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -853,9 +853,14 @@ int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd) t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type); - if (!t && (cmd == SIOCADDTUNNEL)) { - t = ip_tunnel_create(net, itn, p); - err = PTR_ERR_OR_ZERO(t); + if (cmd == SIOCADDTUNNEL) { + if (!t) { + t = ip_tunnel_create(net, itn, p); + err = PTR_ERR_OR_ZERO(t); + break; + } + + err = -EEXIST; break; } if (dev != itn->fb_tunnel_dev && cmd == SIOCCHGTUNNEL) { diff --git a/net/ipv4/route.c b/net/ipv4/route.c index d4bd68dcdc39..793c0bb8c4fd 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -746,7 +746,7 @@ 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 { |