From 8ff50d5c979e0b8b872edddd538add90d34bf278 Mon Sep 17 00:00:00 2001
From: Laszlo Ersek <lersek@redhat.com>
Date: Fri, 7 Oct 2011 21:34:38 +0200
Subject: [PATCH] --- yaml --- r: 273839 b: refs/heads/master c:
 469738e675524b6aa029ecd46bdda3f878b12eff h: refs/heads/master i:   273837:
 b615af5bda00d0ac7403edb6089aa131582936ea   273835:
 616aa8a781e8e7cfd1f02c29ae40e91918662161   273831:
 63b960bdb5dbe3d323b8e8141d36c4189e551436   273823:
 9ed03d56b4878629693d2f88ce91622d0391d5e8 v: v3

---
 [refs]                             |  2 +-
 trunk/drivers/block/xen-blkfront.c | 10 +++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index b087679aea5f..592c0b6d8781 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d11e6158307bed3f178399a4e6216eec67d16200
+refs/heads/master: 469738e675524b6aa029ecd46bdda3f878b12eff
diff --git a/trunk/drivers/block/xen-blkfront.c b/trunk/drivers/block/xen-blkfront.c
index 8bf0cb7b2565..773da7d6491e 100644
--- a/trunk/drivers/block/xen-blkfront.c
+++ b/trunk/drivers/block/xen-blkfront.c
@@ -1450,6 +1450,8 @@ static struct xenbus_driver blkfront = {
 
 static int __init xlblk_init(void)
 {
+	int ret;
+
 	if (!xen_domain())
 		return -ENODEV;
 
@@ -1459,7 +1461,13 @@ static int __init xlblk_init(void)
 		return -ENODEV;
 	}
 
-	return xenbus_register_frontend(&blkfront);
+	ret = xenbus_register_frontend(&blkfront);
+	if (ret) {
+		unregister_blkdev(XENVBD_MAJOR, DEV_NAME);
+		return ret;
+	}
+
+	return 0;
 }
 module_init(xlblk_init);