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xen-netback: remove 'hotplug-status' once it has served its purpose

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Removing the 'hotplug-status' node in netback_remove() is wrong; the script
may not have completed. Only remove the node once the watch has fired and
has been unregistered.

Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Acked-by: Wei Liu <wei.liu@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paul Durrant 2019-12-17 13:32:18 +00:00 committed by David S. Miller
parent f55c3188df
commit 1f2565780e
1 changed files with 1 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/net/xen-netback/xenbus.c
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@ -648,6 +648,7 @@ static void hotplug_status_changed(struct xenbus_watch *watch,
/* Not interested in this watch anymore. */ /* Not interested in this watch anymore. */
unregister_hotplug_status_watch(be); unregister_hotplug_status_watch(be);
xenbus_rm(XBT_NIL, be->dev->nodename, "hotplug-status");
} }
kfree(str); kfree(str);
} }
@ -959,7 +960,6 @@ static int netback_remove(struct xenbus_device *dev)
if (be->vif) { if (be->vif) {
kobject_uevent(&dev->dev.kobj, KOBJ_OFFLINE); kobject_uevent(&dev->dev.kobj, KOBJ_OFFLINE);
xen_unregister_watchers(be->vif); xen_unregister_watchers(be->vif);
xenbus_rm(XBT_NIL, dev->nodename, "hotplug-status");
xenvif_free(be->vif); xenvif_free(be->vif);
be->vif = NULL; be->vif = NULL;
} }