linux-kernel - [PATCH 3.4 045/107] mmc: block: Add missing mmc_blk_put() in power_ro_lock

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Message-Id: <1458115601-5762-45-git-send-email-lizf@kernel.org>
Date:	Wed, 16 Mar 2016 16:05:39 +0800
From:	lizf@...nel.org
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Tomas Winkler <tomas.winkler@...el.com>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Zefan Li <lizefan@...wei.com>
Subject: [PATCH 3.4 045/107] mmc: block: Add missing mmc_blk_put() in power_ro_lock_show()

From: Tomas Winkler <tomas.winkler@...el.com>

3.4.111-rc1 review patch.  If anyone has any objections, please let me know.

------------------


commit 9098f84cced870f54d8c410dd2444cfa61467fa0 upstream.

Enclosing mmc_blk_put() is missing in power_ro_lock_show() sysfs handler,
let's add it.

Fixes: add710eaa886 ("mmc: boot partition ro lock support")
Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Zefan Li <lizefan@...wei.com>
---
 drivers/mmc/card/block.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 47a789e..b4277ac 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -182,6 +182,8 @@ static ssize_t power_ro_lock_show(struct device *dev,
 
 	ret = snprintf(buf, PAGE_SIZE, "%d\n", locked);
 
+	mmc_blk_put(md);
+
 	return ret;
 }
 
-- 
1.9.1