mmc: block: remove unused struct mmc_card *card

It was never used and introduced a long standing compile
warning:

drivers/mmc/core/block.c: In function 'power_ro_lock_store':
drivers/mmc/core/block.c:191:19: warning: variable 'card' set but not
used [-Wunused-but-set-variable]

Remove it to fix the warning.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 80d1ec6..b8fa62c 100644 (file)
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -188,7 +188,6 @@ static ssize_t power_ro_lock_store(struct device *dev,
 {
        int ret;
        struct mmc_blk_data *md, *part_md;
-       struct mmc_card *card;
        struct mmc_queue *mq;
        struct request *req;
        unsigned long set;
@@ -201,7 +200,6 @@ static ssize_t power_ro_lock_store(struct device *dev,
 
        md = mmc_blk_get(dev_to_disk(dev));
        mq = &md->queue;
-       card = md->queue.card;
 
        /* Dispatch locking to the block layer */
        req = blk_get_request(mq->queue, REQ_OP_DRV_OUT, __GFP_RECLAIM);