From 53f0e8afcb0d57cfaff06b89eb8b5302f167577e Mon Sep 17 00:00:00 2001
From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Wed, 2 Apr 2008 10:54:03 -0700
Subject: [PATCH] xen/blkfront: use bdget_disk

info->dev is never initialized to anything, so bdget(info->dev) is
meaningless.  Get rid of info->dev, and use bdget_disk on the gendisk.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 drivers/block/xen-blkfront.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 2e7c81e3f36a..4497ff84f64a 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -75,7 +75,6 @@ static struct block_device_operations xlvbd_block_fops;
 struct blkfront_info
 {
 	struct xenbus_device *xbdev;
-	dev_t dev;
 	struct gendisk *gd;
 	int vdevice;
 	blkif_vdev_t handle;
@@ -903,7 +902,7 @@ static void backend_changed(struct xenbus_device *dev,
 		break;
 
 	case XenbusStateClosing:
-		bd = bdget(info->dev);
+		bd = bdget_disk(info->gd, 0);
 		if (bd == NULL)
 			xenbus_dev_fatal(dev, -ENODEV, "bdget failed");