linux-kernel - [PATCH v2 4/5] md: remove unnecessary check on mddev

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Date:   Tue, 14 Feb 2017 23:29:02 +0800
From:   Ming Lei <tom.leiming@...il.com>
To:     Shaohua Li <shli@...nel.org>, Jens Axboe <axboe@...com>,
        linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org,
        linux-block@...r.kernel.org, Christoph Hellwig <hch@...radead.org>,
        NeilBrown <neilb@...e.com>
Cc:     Ming Lei <tom.leiming@...il.com>
Subject: [PATCH v2 4/5] md: remove unnecessary check on mddev

mddev is never NULL and neither is ->bio_set, so
remove the check.

Reviewed-by: Christoph Hellwig <hch@....de>
Signed-off-by: Ming Lei <tom.leiming@...il.com>
---
 drivers/md/md.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index b5e2adf3493b..6cd96fde2a67 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -193,9 +193,6 @@ EXPORT_SYMBOL_GPL(bio_alloc_mddev);
 struct bio *bio_clone_mddev(struct bio *bio, gfp_t gfp_mask,
 			    struct mddev *mddev)
 {
-	if (!mddev || !mddev->bio_set)
-		return bio_clone(bio, gfp_mask);
-
 	return bio_clone_bioset(bio, gfp_mask, mddev->bio_set);
 }
 EXPORT_SYMBOL_GPL(bio_clone_mddev);
-- 
2.7.4