diff options
| author |   Nicolas Dichtel <nicolas.dichtel@6wind.com> | 2016-06-13 10:31:04 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-06-14 22:21:44 -0700 |
| commit | 106da663ff495e0aea3ac15b8317aa410754fcac (patch) | |
| tree | c01437e026a5475c737599a67cccefaae45f2b56 /net/ipv4/ip_gre.c | |
| parent | udp reuseport: fix packet of same flow hashed to different socket (diff) | |
| download | linux-dev-106da663ff495e0aea3ac15b8317aa410754fcac.tar.xz linux-dev-106da663ff495e0aea3ac15b8317aa410754fcac.zip | |
ovs/gre,geneve: fix error path when creating an iface
After ipgre_newlink()/geneve_configure() call, the netdev is registered.
Fixes: 7e059158d57b ("vxlan, gre, geneve: Set a large MTU on ovs-created tunnel devices")
CC: David Wragg <david@weave.works>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_gre.c')
| -rw-r--r-- | net/ipv4/ip_gre.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 4d2025f7ec57..08deba679c8c 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -1121,6 +1121,7 @@ struct net_device *gretap_fb_dev_create(struct net *net, const char *name, { struct nlattr *tb[IFLA_MAX + 1]; struct net_device *dev; + LIST_HEAD(list_kill); struct ip_tunnel *t; int err; @@ -1136,8 +1137,10 @@ struct net_device *gretap_fb_dev_create(struct net *net, const char *name, t->collect_md = true; err = ipgre_newlink(net, dev, tb, NULL); - if (err < 0) - goto out; + if (err < 0) { + free_netdev(dev); + return ERR_PTR(err); + } /* openvswitch users expect packet sizes to be unrestricted, * so set the largest MTU we can. @@ -1148,7 +1151,8 @@ struct net_device *gretap_fb_dev_create(struct net *net, const char *name, return dev; out: - free_netdev(dev); + ip_tunnel_dellink(dev, &list_kill); + unregister_netdevice_many(&list_kill); return ERR_PTR(err); } EXPORT_SYMBOL_GPL(gretap_fb_dev_create); |