diff options
| -rw-r--r-- | block/mirror.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/block/mirror.c b/block/mirror.c index 403714c1ea..1c38aa8f77 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -339,7 +339,10 @@ static void coroutine_fn mirror_run(void *opaque) bdrv_get_backing_filename(s->target, backing_filename, sizeof(backing_filename)); if (backing_filename[0] && !s->target->backing_hd) { - bdrv_get_info(s->target, &bdi); + ret = bdrv_get_info(s->target, &bdi); + if (ret < 0) { + goto immediate_exit; + } if (s->granularity < bdi.cluster_size) { s->buf_size = MAX(s->buf_size, bdi.cluster_size); s->cow_bitmap = bitmap_new(length); |