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[Qemu-block] [PATCH] qemu-img: add check for zero-length job len
From: |
John Snow |
Subject: |
[Qemu-block] [PATCH] qemu-img: add check for zero-length job len |
Date: |
Mon, 2 Nov 2015 18:28:20 -0500 |
The mirror job doesn't update its total length until
it has already started running, so we should translate
a zero-length job-len as meaning 0%.
Otherwise, we may get divide-by-zero faults.
Signed-off-by: John Snow <address@hidden>
---
qemu-img.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/qemu-img.c b/qemu-img.c
index 3025776..38b4888 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) : 0.00, 0);
} while (!job->ready);
block_job_complete_sync(job, errp);
--
2.4.3
- [Qemu-block] [PATCH] qemu-img: add check for zero-length job len,
John Snow <=