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authorRodrigo Vivi <rodrigo.vivi@intel.com>2021-05-17 17:48:02 -0400
committerRodrigo Vivi <rodrigo.vivi@intel.com>2021-05-17 17:48:02 -0400
commitd22fe808f9a3456f16015e79f1b86a10ce13099f (patch)
tree8e8c99d742696a810297d54d650f308f6156d466 /drivers/net/xen-netback/xenbus.c
parent1a7910368cba1e76b992b116fc8ba28503e6dcc1 (diff)
parent6efb943b8616ec53a5e444193dccf1af9ad627b5 (diff)
Merge drm/drm-next into drm-intel-next
Time to get back in sync... Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/net/xen-netback/xenbus.c')
-rw-r--r--drivers/net/xen-netback/xenbus.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index a5439c130130..d24b7a7993aa 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -824,11 +824,15 @@ static void connect(struct backend_info *be)
xenvif_carrier_on(be->vif);
unregister_hotplug_status_watch(be);
- err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch, NULL,
- hotplug_status_changed,
- "%s/%s", dev->nodename, "hotplug-status");
- if (!err)
+ if (xenbus_exists(XBT_NIL, dev->nodename, "hotplug-status")) {
+ err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch,
+ NULL, hotplug_status_changed,
+ "%s/%s", dev->nodename,
+ "hotplug-status");
+ if (err)
+ goto err;
be->have_hotplug_status_watch = 1;
+ }
netif_tx_wake_all_queues(be->vif->dev);