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-rw-r--r--block/vvfat.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/vvfat.c b/block/vvfat.c
index c3f24c6eb0..ba2620f3c2 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -3018,9 +3018,10 @@ static int enable_write_target(BlockDriverState *bs, Error **errp)
}
options = qdict_new();
- qdict_put(options, "driver", qstring_from_str("qcow"));
+ qdict_put(options, "write-target.driver", qstring_from_str("qcow"));
s->qcow = bdrv_open_child(s->qcow_filename, options, "write-target", bs,
&child_vvfat_qcow, false, errp);
+ QDECREF(options);
if (!s->qcow) {
ret = -EINVAL;
goto err;