@@ -349,7 +349,7 @@ static void coroutine_fn mirror_co_read(void *opaque)
MirrorOp *op = opaque;
MirrorBlockJob *s = op->s;
int nb_chunks;
- uint64_t ret;
+ uint64_t ret = -1;
uint64_t max_bytes;
max_bytes = s->granularity * s->max_iov;
@@ -565,7 +565,7 @@ static void coroutine_fn GRAPH_UNLOCKED mirror_iteration(MirrorBlockJob *s)
bitmap_set(s->in_flight_bitmap, offset / s->granularity, nb_chunks);
while (nb_chunks > 0 && offset < s->bdev_length) {
- int ret;
+ int ret = -1;
int64_t io_bytes;
int64_t io_bytes_acct;
MirrorMethod mirror_method = MIRROR_METHOD_COPY;
@@ -841,7 +841,7 @@ static int coroutine_fn GRAPH_UNLOCKED mirror_dirty_init(MirrorBlockJob *s)
int64_t offset;
BlockDriverState *bs;
BlockDriverState *target_bs = blk_bs(s->target);
- int ret;
+ int ret = -1;
int64_t count;
bdrv_graph_co_rdlock();