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-rw-r--r--hw/scsi/scsi-disk.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index a53f058621..5f1e5e8070 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -2384,9 +2384,14 @@ static void scsi_hd_realize(SCSIDevice *dev, Error **errp)
static void scsi_cd_realize(SCSIDevice *dev, Error **errp)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev);
+ int ret;
if (!dev->conf.blk) {
+ /* Anonymous BlockBackend for an empty drive. As we put it into
+ * dev->conf, qdev takes care of detaching on unplug. */
dev->conf.blk = blk_new(0, BLK_PERM_ALL);
+ ret = blk_attach_dev(dev->conf.blk, &dev->qdev);
+ assert(ret == 0);
}
s->qdev.blocksize = 2048;