diff options
| -rw-r--r-- | block/block-copy.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/block/block-copy.c b/block/block-copy.c index 82cf945693..61d82d9a1c 100644 --- a/block/block-copy.c +++ b/block/block-copy.c @@ -454,7 +454,9 @@ static coroutine_fn int block_copy_task_entry(AioTask *task) t->call_state->error_is_read = error_is_read; } else { progress_work_done(t->s->progress, t->bytes); - t->s->progress_bytes_callback(t->bytes, t->s->progress_opaque); + if (t->s->progress_bytes_callback) { + t->s->progress_bytes_callback(t->bytes, t->s->progress_opaque); + } } co_put_to_shres(t->s->mem, t->bytes); block_copy_task_end(t, ret); |