From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Date: Fri, 28 May 2021 14:16:27 +0000 (+0300)
Subject: block-copy: fix block_copy_task_entry() progress update
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=8146b357d0cb3a3f5d500a1536f9f0e1ff3302cc;p=qmiga%2Fqemu.git

block-copy: fix block_copy_task_entry() progress update

Don't report successful progress on failure, when call_state->ret is
set.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210528141628.44287-2-vsementsov@virtuozzo.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---

diff --git a/block/block-copy.c b/block/block-copy.c
index c2e5090412..f9e871b64f 100644
--- a/block/block-copy.c
+++ b/block/block-copy.c
@@ -439,9 +439,11 @@ static coroutine_fn int block_copy_task_entry(AioTask *task)
 
     ret = block_copy_do_copy(t->s, t->offset, t->bytes, t->zeroes,
                              &error_is_read);
-    if (ret < 0 && !t->call_state->ret) {
-        t->call_state->ret = ret;
-        t->call_state->error_is_read = error_is_read;
+    if (ret < 0) {
+        if (!t->call_state->ret) {
+            t->call_state->ret = ret;
+            t->call_state->error_is_read = error_is_read;
+        }
     } else {
         progress_work_done(t->s->progress, t->bytes);
     }