block: replace "len+name" with "name+len" in elv_iosched_show

The "pointer + offset" pattern is more resonable.

Signed-off-by: Jinlong Chen <nickyc975@zju.edu.cn>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/d9beaee71b14f7b2a39ab0db6458dc0f7d961ceb.1669736350.git.nickyc975@zju.edu.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/elevator.c b/block/elevator.c
index b2f2252f29e70413cfe1f649eafb2caf5441d599..8a5c171306f1b260cabc27ec97cb7e23b797e96b 100644 (file)
--- 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;
 }