block: qcow2: remove the created file on initialization error

If the qcow initialization fails, we should remove the file if it was
already created, to avoid leaving stale files around.

We already do this for luks raw images.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <20201217170904.946013-4-mlevitsk@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/block/qcow2.c b/block/qcow2.c
index 5d94f45be9507bd5f908591d3c59b3500b682257..d9f49a52e7707bcf6b2c24e1d3b5e6585b3d548d 100644 (file)
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -3846,12 +3846,14 @@ static int coroutine_fn qcow2_co_create_opts(BlockDriver *drv,
 
     /* Create the qcow2 image (format layer) */
     ret = qcow2_co_create(create_options, errp);
+finish:
     if (ret < 0) {
-        goto finish;
+        bdrv_co_delete_file_noerr(bs);
+        bdrv_co_delete_file_noerr(data_bs);
+    } else {
+        ret = 0;
     }
 
-    ret = 0;
-finish:
     qobject_unref(qdict);
     bdrv_unref(bs);
     bdrv_unref(data_bs);