Merge branches 'clockevents/4.4-fixes' and 'clockevents/4.5-fixes' of http://git.linaro.org/people/daniel.lezcano/linux into timers/urgent

Pull in fixes from Daniel Lezcano:

 - Fix the vt8500 timer leading to a system lock up when dealing with too
   small delta (Roman Volkov)

 - Select the CLKSRC_MMIO when the fsl_ftm_timer is enabled with COMPILE_TEST
   (Daniel Lezcano)

 - Prevent to compile timers using the 'iomem' API when the architecture has
   not HAS_IOMEM set (Richard Weinberger)

1 files changed, 6 insertions, 2 deletions

diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c
index b327368a3848..6b0190b987ec 100644
--- 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();