blockdev: Refuse to drive_del something added with blockdev-add

[qemu.git] / blockdev.c

diff --git a/blockdev.c b/blockdev.c
index e919566c16daab004a4526e0e356a3024b99f58c..b361fbb964dc84996cbec98cb0a462d98ea4f3e9 100644 (file)
--- a/blockdev.c
+++ b/blockdev.c
@@ -1739,6 +1739,7 @@ int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data)
 {
     const char *id = qdict_get_str(qdict, "id");
     BlockDriverState *bs;
+    DriveInfo *dinfo;
     AioContext *aio_context;
     Error *local_err = NULL;
 
@@ -1748,6 +1749,13 @@ int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data)
         return -1;
     }
 
+    dinfo = drive_get_by_blockdev(bs);
+    if (dinfo && !dinfo->enable_auto_del) {
+        error_report("Deleting device added with blockdev-add"
+                     " is not supported");
+        return -1;
+    }
+
     aio_context = bdrv_get_aio_context(bs);
     aio_context_acquire(aio_context);
 
@@ -1775,7 +1783,7 @@ int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data)
         bdrv_set_on_error(bs, BLOCKDEV_ON_ERROR_REPORT,
                           BLOCKDEV_ON_ERROR_REPORT);
     } else {
-        drive_del(drive_get_by_blockdev(bs));
+        drive_del(dinfo);
     }
 
     aio_context_release(aio_context);