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/as-iosched.c b/block/as-iosched.c
index 555cd6bf4ce5..cb5e53b05c7c 100644
--- a/block/as-iosched.c
+++ b/block/as-iosched.c
@@ -1464,7 +1464,9 @@ static struct elevator_type iosched_as = {
 
 static int __init as_init(void)
 {
-        return elv_register(&iosched_as);
+        elv_register(&iosched_as);
+
+        return 0;
 }
 
 static void __exit as_exit(void)