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-rw-r--r--qemu-img.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/qemu-img.c b/qemu-img.c
index 3025776e14..9831db75ef 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -656,7 +656,8 @@ static void run_block_job(BlockJob *job, Error **errp)
do {
aio_poll(aio_context, true);
- qemu_progress_print((float)job->offset / job->len * 100.f, 0);
+ qemu_progress_print(job->len ?
+ ((float)job->offset / job->len * 100.f) : 0.0f, 0);
} while (!job->ready);
block_job_complete_sync(job, errp);