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 47a789ea26bc410833961f07da4ea938515f2951..b4277ac6939f3ac24d029faf602710707beff90c 100644 (file)
--- 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;
 }