1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 759dee8330ac..67dcb193ab2e 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -225,6 +225,16 @@ static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
         struct gendisk *disk = bdev->bd_disk;
         struct virtio_blk *vblk = disk->private_data;
 
+        if (cmd == 'VBID') {
+                void __user *usr_data = (void __user *)data;
+                char id_str[VIRTIO_BLK_ID_BYTES];
+                int err;
+
+                err = virtblk_get_id(disk, id_str);
+                if (!err && copy_to_user(usr_data, id_str, VIRTIO_BLK_ID_BYTES))
+                        err = -EFAULT;
+                return err;
+        }
         /*
          * Only allow the generic SCSI ioctls if the host can support it.
          */