block: let elv_register() return void

elv_register() always returns 0, and there isn't anything it does where
it should return an error (the only error condition is so grave that
it's handled with a BUG_ON).

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/block/noop-iosched.c b/block/noop-iosched.c
index 7563d8aa394..c23e0296965 100644
--- a/block/noop-iosched.c
+++ b/block/noop-iosched.c
@@ -101,7 +101,9 @@ static struct elevator_type elevator_noop = {
 
 static int __init noop_init(void)
 {
-	return elv_register(&elevator_noop);
+	elv_register(&elevator_noop);
+
+	return 0;
 }
 
 static void __exit noop_exit(void)