# HG changeset patch
# User Daniel Stodden <daniel.stodden@xxxxxxxxxx>
# Date 1267197954 28800
# Node ID fcefa69c0dbf52a86a9037ad14f81d3252f387ff
# Parent  3b7ebe4ce587d81361bf9afb5825420fa3d4c9d7
blkfront: Fix an unlikely xenbus crasher.

Getting partition 0 should not fail, but if it does we won't continue.

Signed-off-by: Daniel Stodden <daniel.stodden@xxxxxxxxxx>
CC: stable@xxxxxxxxxx

diff -r 3b7ebe4ce587 -r fcefa69c0dbf drivers/block/xen-blkfront.c
--- a/drivers/block/xen-blkfront.c	Fri Feb 26 07:25:53 2010 -0800
+++ b/drivers/block/xen-blkfront.c	Fri Feb 26 07:25:54 2010 -0800
@@ -985,8 +985,10 @@
 			break;
 		}
 		bd = bdget_disk(info->gd, 0);
-		if (bd == NULL)
+		if (bd == NULL) {
 			xenbus_dev_fatal(dev, -ENODEV, "bdget failed");
+			break;
+		}
 
 		mutex_lock(&bd->bd_mutex);
 		if (info->users > 0)