2021-03-19 08:18:43

by Xu Wang

[permalink] [raw]
Subject: [PATCH] dm cache: remove needless request_queue NULL pointer checks

Since commit ff9ea323816d ("block, bdi: an active gendisk always has a
request_queue associated with it") the request_queue pointer returned
from bdev_get_queue() shall never be NULL.

Signed-off-by: Xu Wang <[email protected]>
---
drivers/md/dm-cache-target.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 541c45027cc8..6ab01ff25747 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -3387,7 +3387,7 @@ static bool origin_dev_supports_discard(struct block_device *origin_bdev)
{
struct request_queue *q = bdev_get_queue(origin_bdev);

- return q && blk_queue_discard(q);
+ return blk_queue_discard(q);
}

/*
--
2.17.1