linux-kernel - [PATCH 3/4] elevator: repalce "len+name" with "name+len" in elv_iosched

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Message-Id: <d96b45ef44f240db39d985661ba306eb7bde77d0.1669391142.git.nickyc975@zju.edu.cn>
Date:   Fri, 25 Nov 2022 23:53:13 +0800
From:   Jinlong Chen <nickyc975@....edu.cn>
To:     axboe@...nel.dk
Cc:     hch@....de, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, nickyc975@....edu.cn
Subject: [PATCH 3/4] elevator: repalce "len+name" with "name+len" in elv_iosched_show

The "pointer + offset" pattern is more resonable.

Signed-off-by: Jinlong Chen <nickyc975@....edu.cn>
---
 block/elevator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/elevator.c b/block/elevator.c
index ffa750976d25..93dbaa560b67 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -783,7 +783,7 @@ ssize_t elv_iosched_show(struct request_queue *q, char *name)
 	}
 	spin_unlock(&elv_list_lock);
 
-	len += sprintf(len+name, "\n");
+	len += sprintf(name+len, "\n");
 	return len;
 }
 
-- 
2.34.1