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-rw-r--r--drivers/block/xen-blkfront.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 8bf0cb7b256..773da7d6491 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1450,6 +1450,8 @@ static struct xenbus_driver blkfront = {
1450 1450
1451static int __init xlblk_init(void) 1451static int __init xlblk_init(void)
1452{ 1452{
1453 int ret;
1454
1453 if (!xen_domain()) 1455 if (!xen_domain())
1454 return -ENODEV; 1456 return -ENODEV;
1455 1457
@@ -1459,7 +1461,13 @@ static int __init xlblk_init(void)
1459 return -ENODEV; 1461 return -ENODEV;
1460 } 1462 }
1461 1463
1462 return xenbus_register_frontend(&blkfront); 1464 ret = xenbus_register_frontend(&blkfront);
1465 if (ret) {
1466 unregister_blkdev(XENVBD_MAJOR, DEV_NAME);
1467 return ret;
1468 }
1469
1470 return 0;
1463} 1471}
1464module_init(xlblk_init); 1472module_init(xlblk_init);
1465 1473