[PATCH 3.19.y-ckt 055/130] mmc: block: Add missing mmc_blk_put() in power_ro_lock_show()

[Kamal Mostafa]

3.19.8-ckt6 -stable review patch.  If anyone has any objections, please let me know.

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

From: Tomas Winkler <tomas.winkler at intel.com>

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 at intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson at linaro.org>
Signed-off-by: Kamal Mostafa <kamal at canonical.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 c972b97..28fb2ed 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -208,6 +208,8 @@ 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