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[PULL,02/42] scsi: scsi-cd without drive property for empty drive

Message ID 1473099234-10882-3-git-send-email-kwolf@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Kevin Wolf Sept. 5, 2016, 6:13 p.m. UTC 
This allows the creation of an empty scsi-cd device without manually
creating a BlockBackend.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
---
 hw/scsi/scsi-disk.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 836a155..99c9d61 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -2359,6 +2359,11 @@  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);
+
+    if (!dev->conf.blk) {
+        dev->conf.blk = blk_new();
+    }
+
     s->qdev.blocksize = 2048;
     s->qdev.type = TYPE_ROM;
     s->features |= 1 << SCSI_DISK_F_REMOVABLE;