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>

1 files changed, 1 insertions, 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");