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, 2 insertions, 6 deletions

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 0b4a47905575..13553e015d72 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -2279,8 +2279,6 @@ static struct elevator_type iosched_cfq = {
 
 static int __init cfq_init(void)
 {
-        int ret;
-
         /*
          * could be 0 on HZ < 1000 setups
          */
@@ -2292,11 +2290,9 @@ static int __init cfq_init(void)
         if (cfq_slab_setup())
                 return -ENOMEM;
 
-        ret = elv_register(&iosched_cfq);
-        if (ret)
-                cfq_slab_kill();
+        elv_register(&iosched_cfq);
 
-        return ret;
+        return 0;
 }
 
 static void __exit cfq_exit(void)