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authorVeaceslav Falico <vfalico@redhat.com>2013-09-25 09:20:29 +0200
committerDavid S. Miller <davem@davemloft.net>2013-09-26 16:02:07 -0400
commit5df27e6cb2d302e90366848bc3c2bb73c41287fb (patch)
tree2f86c07bfd18e177bed8532dde07f08382e90420 /net/8021q
parent4fee991a4689ca64abea90814e0b3c6d30a3c62f (diff)
vlan: link the upper neighbour only after registering
Otherwise users might access it without being fully registered, as per sysfs - it only inits in register_netdevice(), so is unusable till it is called. CC: Patrick McHardy <kaber@trash.net> CC: "David S. Miller" <davem@davemloft.net> Signed-off-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q')
-rw-r--r--net/8021q/vlan.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 61fc573f1142..69b4a352021f 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -169,13 +169,13 @@ int register_vlan_dev(struct net_device *dev)
if (err < 0)
goto out_uninit_mvrp;
- err = netdev_upper_dev_link(real_dev, dev);
- if (err)
- goto out_uninit_mvrp;
-
err = register_netdevice(dev);
if (err < 0)
- goto out_upper_dev_unlink;
+ goto out_uninit_mvrp;
+
+ err = netdev_upper_dev_link(real_dev, dev);
+ if (err)
+ goto out_unregister_netdev;
/* Account for reference in struct vlan_dev_priv */
dev_hold(real_dev);
@@ -191,8 +191,8 @@ int register_vlan_dev(struct net_device *dev)
return 0;
-out_upper_dev_unlink:
- netdev_upper_dev_unlink(real_dev, dev);
+out_unregister_netdev:
+ unregister_netdevice(dev);
out_uninit_mvrp:
if (grp->nr_vlan_devs == 0)
vlan_mvrp_uninit_applicant(real_dev);

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