From: Keir Fraser <keir@xen.org>
Date: Tue, 7 Dec 2010 18:35:16 +0000 (+0000)
Subject: netback: Recent change caused spurious hotplug event firings.
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=69793c820119707e34b28b55adfeee8c2d575cfa;p=legacy%2Flinux-2.6.18-xen.git

netback: Recent change caused spurious hotplug event firings.

From: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Keir Fraser <keir@xen.org>
---

diff --git a/drivers/xen/netback/xenbus.c b/drivers/xen/netback/xenbus.c
index ba169b72..873f0a85 100644
--- a/drivers/xen/netback/xenbus.c
+++ b/drivers/xen/netback/xenbus.c
@@ -242,11 +242,7 @@ static void frontend_changed(struct xenbus_device *dev,
 		if (dev->state == XenbusStateConnected)
 			break;
 
-		/* Enforce precondition before potential leak point.
-		 * netback_disconnect() is idempotent.
-		 */
-		netback_disconnect(&dev->dev);
-
+		/* backend_create_netif() is idempotent */
 		backend_create_netif(be);
 		if (be->netif)
 			connect(be);