Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm

[firefly-linux-kernel-4.4.55.git] / net / openvswitch / vport-netdev.c

diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c
index b327368a3848238013cf0f6f62445569d7e29251..6b0190b987ec62c043e04fea80b4122a81bd67b9 100644 (file)
--- a/net/openvswitch/vport-netdev.c
+++ b/net/openvswitch/vport-netdev.c
@@ -180,9 +180,13 @@ void ovs_netdev_tunnel_destroy(struct vport *vport)
        if (vport->dev->priv_flags & IFF_OVS_DATAPATH)
                ovs_netdev_detach_dev(vport);
 
-       /* Early release so we can unregister the device */
+       /* We can be invoked by both explicit vport deletion and
+        * underlying netdev deregistration; delete the link only
+        * if it's not already shutting down.
+        */
+       if (vport->dev->reg_state == NETREG_REGISTERED)
+               rtnl_delete_link(vport->dev);
        dev_put(vport->dev);
-       rtnl_delete_link(vport->dev);
        vport->dev = NULL;
        rtnl_unlock();