[Qemu-devel] [PATCH v5 2/3] block/stream: refactor stream_run: drop goto

Vladimir Sementsov-Ogievskiy posted 3 patches 6 years, 9 months ago
Maintainers: Max Reitz <mreitz@redhat.com>, John Snow <jsnow@redhat.com>, Fam Zheng <fam@euphon.net>, Wen Congyang <wencongyang2@huawei.com>, Xie Changlong <xiechanglong.d@gmail.com>, Stefan Hajnoczi <stefanha@redhat.com>, Kevin Wolf <kwolf@redhat.com>
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[Qemu-devel] [PATCH v5 2/3] block/stream: refactor stream_run: drop goto
Posted by Vladimir Sementsov-Ogievskiy 6 years, 9 months ago
The goto is unnecessary in the stream_run() since the common exit
code was removed in the commit eb23654dbe43b549ea2a9ebff9d8e:
"jobs: utilize job_exit shim".

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
---
 block/stream.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/block/stream.c b/block/stream.c
index 0920092ed2..e73a3201c8 100644
--- a/block/stream.c
+++ b/block/stream.c
@@ -122,13 +122,12 @@ static int coroutine_fn stream_run(Job *job, Error **errp)
     void *buf;
 
     if (!bs->backing) {
-        goto out;
+        return 0;
     }
 
     len = bdrv_getlength(bs);
     if (len < 0) {
-        ret = len;
-        goto out;
+        return len;
     }
     job_progress_set_remaining(&s->common.job, len);
 
@@ -205,14 +204,10 @@ static int coroutine_fn stream_run(Job *job, Error **errp)
         bdrv_disable_copy_on_read(bs);
     }
 
-    /* Do not remove the backing file if an error was there but ignored.  */
-    ret = error;
-
     qemu_vfree(buf);
 
-out:
-    /* Modify backing chain and close BDSes in main loop */
-    return ret;
+    /* Do not remove the backing file if an error was there but ignored. */
+    return error;
 }
 
 static const BlockJobDriver stream_job_driver = {
-- 
2.18.0