bdrv_unref(bs->backing_hd);
bs->backing_hd = NULL;
bs->open_flags |= BDRV_O_NO_BACKING;
- error_propagate(errp, local_err);
+ error_setg(errp, "Could not open backing file: %s",
+ error_get_pretty(local_err));
+ error_free(local_err);
return ret;
}
pstrcpy(bs->backing_file, sizeof(bs->backing_file),
if (drvname) {
drv = bdrv_find_format(drvname);
qdict_del(options, "driver");
+ if (!drv) {
+ error_setg(errp, "Invalid driver: '%s'", drvname);
+ ret = -EINVAL;
+ goto unlink_and_fail;
+ }
}
if (!drv) {