[PATCH] block: Remove redundant 'return' statement

[Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>]

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

Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
---
 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