linux-kernel - [PATCH] blk-zoned: Remove needless request

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Message-Id: <20210910022338.22878-1-vulab@iscas.ac.cn>
Date:   Fri, 10 Sep 2021 02:23:38 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     axboe@...nel.dk
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] blk-zoned: Remove needless request_queue NULL pointer checks

The request_queue pointer returned from bdev_get_queue() shall
never be NULL, so the NULL checks are unnecessary, just remove them.

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 block/blk-zoned.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 1d0c76c18fc5..5160972a009a 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -354,8 +354,6 @@ int blkdev_report_zones_ioctl(struct block_device *bdev, fmode_t mode,
 		return -EINVAL;
 
 	q = bdev_get_queue(bdev);
-	if (!q)
-		return -ENXIO;
 
 	if (!blk_queue_is_zoned(q))
 		return -ENOTTY;
@@ -412,8 +410,6 @@ int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode,
 		return -EINVAL;
 
 	q = bdev_get_queue(bdev);
-	if (!q)
-		return -ENXIO;
 
 	if (!blk_queue_is_zoned(q))
 		return -ENOTTY;
-- 
2.17.1