linux-kernel - [PATCH] block: Remove redundant 'return' statement

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Date:   Mon, 28 Sep 2020 08:42:26 +0800
From:   Baolin Wang <baolin.wang@...ux.alibaba.com>
To:     tj@...nel.org, axboe@...nel.dk
Cc:     baolin.wang@...ux.alibaba.com, baolin.wang7@...il.com,
        linux-block@...r.kernel.org, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] block: Remove redundant 'return' statement

Remove redundant 'return' statement for 'void' functions.

Signed-off-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
---
 block/blk-iocost.c    | 2 +-
 block/blk-iolatency.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index ef9476f..e38c406 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -3343,7 +3343,7 @@ static int __init ioc_init(void)
 
 static void __exit ioc_exit(void)
 {
-	return blkcg_policy_unregister(&blkcg_policy_iocost);
+	blkcg_policy_unregister(&blkcg_policy_iocost);
 }
 
 module_init(ioc_init);
diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c
index f90429c..81be009 100644
--- a/block/blk-iolatency.c
+++ b/block/blk-iolatency.c
@@ -1046,7 +1046,7 @@ static int __init iolatency_init(void)
 
 static void __exit iolatency_exit(void)
 {
-	return blkcg_policy_unregister(&blkcg_policy_iolatency);
+	blkcg_policy_unregister(&blkcg_policy_iolatency);
 }
 
 module_init(iolatency_init);
-- 
1.8.3.1