block: Remove redundant 'return' statement

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

Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index b82649c..951ad4b 100644 (file)
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -3405,7 +3405,7 @@ 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 (file)
--- 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);