diff options
| -rw-r--r-- | drivers/block/xen-blkfront.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 8bf0cb7b2565..773da7d6491e 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c | |||
| @@ -1450,6 +1450,8 @@ static struct xenbus_driver blkfront = { | |||
| 1450 | 1450 | ||
| 1451 | static int __init xlblk_init(void) | 1451 | static 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 | } |
| 1464 | module_init(xlblk_init); | 1472 | module_init(xlblk_init); |
| 1465 | 1473 | ||
