linux-kernel - [PATCH 3/6] Revert "mtd: mtd_blkdevs: don't increase 'open' count on error path"

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Message-ID: <20210613113035.2329421-4-chengzhihao1@huawei.com>
Date:   Sun, 13 Jun 2021 19:30:32 +0800
From:   Zhihao Cheng <chengzhihao1@...wei.com>
To:     <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>
CC:     <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <chengzhihao1@...wei.com>, <yukuai3@...wei.com>
Subject: [PATCH 3/6] Revert "mtd: mtd_blkdevs: don't increase 'open' count on error path"

This reverts commit 342ff28f5a2e5aa3236617bd2bddf6c749677ef2.
---
 drivers/mtd/mtd_blkdevs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 00b13f71ccf3..100a3c96760c 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -211,7 +211,7 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode)
 
 	mutex_lock(&dev->lock);
 
-	if (dev->open)
+	if (dev->open++)
 		goto unlock;
 
 	kref_get(&dev->ref);
@@ -232,7 +232,6 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode)
 	dev->file_mode = mode;
 
 unlock:
-	dev->open++;
 	mutex_unlock(&dev->lock);
 	blktrans_dev_put(dev);
 	return ret;
-- 
2.31.1