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-rw-r--r--drivers/block/xen-blkfront.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 9fd3ee203b1e..4276ab035e00 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1452,6 +1452,9 @@ static int __init xlblk_init(void)
if (!xen_domain())
return -ENODEV;
+ if (!xen_platform_pci_unplug)
+ return -ENODEV;
+
if (register_blkdev(XENVBD_MAJOR, DEV_NAME)) {
printk(KERN_WARNING "xen_blk: can't get major %d with name %s\n",
XENVBD_MAJOR, DEV_NAME);