1 files changed, 1 insertions, 1 deletions
diff --git a/block/mirror.c b/block/mirror.c
index 61f0a717b7..54e3a7ea9d 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -931,7 +931,7 @@ static int coroutine_fn mirror_run(Job *job, Error **errp)
     MirrorBDSOpaque *mirror_top_opaque = s->mirror_top_bs->opaque;
     BlockDriverState *target_bs = blk_bs(s->target);
     bool need_drain = true;
-    BlockDeviceIoStatus iostatus;
+    BlockDeviceIoStatus iostatus = BLOCK_DEVICE_IO_STATUS__MAX;
     int64_t length;
     int64_t target_length;
     BlockDriverInfo bdi;