1 files changed, 3 insertions, 4 deletions
diff --git a/block/bochs.c b/block/bochs.c
index b76f34f..e30e390 100644
--- a/block/bochs.c
+++ b/block/bochs.c
@@ -110,10 +110,9 @@ static int bochs_open(BlockDriverState *bs, QDict *options, int flags,
         return ret;
     }
 
-    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_of_bds,
-                               BDRV_CHILD_IMAGE, false, errp);
-    if (!bs->file) {
-        return -EINVAL;
+    ret = bdrv_open_file_child(NULL, options, "file", bs, errp);
+    if (ret < 0) {
+        return ret;
     }
 
     ret = bdrv_pread(bs->file, 0, sizeof(bochs), &bochs, 0);