[PATCH] block layer: elevator_find function cleanup

We can easily produce search through the elevator list
without introducing additional elevator_type variable.

Signed-off-by: Vasily Tarasov <vtaras@openvz.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/block/elevator.c b/block/elevator.c
index 487dd3d..d8030a8 100644 (file)
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -93,21 +93,18 @@ static inline int elv_try_merge(struct request *__rq, struct bio *bio)
 
 static struct elevator_type *elevator_find(const char *name)
 {
-       struct elevator_type *e = NULL;
+       struct elevator_type *e;
        struct list_head *entry;
 
        list_for_each(entry, &elv_list) {
-               struct elevator_type *__e;
 
-               __e = list_entry(entry, struct elevator_type, list);
+               e = list_entry(entry, struct elevator_type, list);
 
-               if (!strcmp(__e->elevator_name, name)) {
-                       e = __e;
-                       break;
-               }
+               if (!strcmp(e->elevator_name, name))
+                       return e;
        }
 
-       return e;
+       return NULL;
 }
 
 static void elevator_put(struct elevator_type *e)