From: Tomas Winkler <tomas.winkler@intel.com>
Date: Thu, 16 Jul 2015 13:50:45 +0000 (+0200)
Subject: mmc: block: Add missing mmc_blk_put() in power_ro_lock_show()
X-Git-Tag: v3.4.111~63
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f48b7031214db56ba92de547a77ee7c0b1b72f36;p=thirdparty%2Fkernel%2Fstable.git

mmc: block: Add missing mmc_blk_put() in power_ro_lock_show()

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@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Zefan Li <lizefan@huawei.com>
---

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 47a789ea26bc4..b4277ac6939f3 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;
 }