[PATCH linux-next] elevator: use sysfs_streq() instead of strncmp()

[<yang.yang29@xxxxxxxxxx>]

From: Xu Panda <xu.panda@xxxxxxxxxx>

Replace the open-code with sysfs_streq().

Signed-off-by: Xu Panda <xu.panda@xxxxxxxxxx>
Signed-off-by: Yang Yang <yang.yang29@xxxxxxx>
---
 block/elevator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/elevator.c b/block/elevator.c
index 599413620558..6ed6049a01fd 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -721,7 +721,7 @@ static int elevator_change(struct request_queue *q, const char *elevator_name)
 	if (!blk_queue_registered(q))
 		return -ENOENT;

-	if (!strncmp(elevator_name, "none", 4)) {
+	if (sysfs_streq(elevator_name, "none")) {
 		if (q->elevator)
 			elevator_disable(q);
 		return 0;
-- 
2.15.2