mmc: Use snprintf, not sprintf.

Fix an issue found by klockwork. Just paranoia.

Signed-off-by: JiebingLi <jiebing.li@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 00073b7..759a105 100644 (file)
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -620,7 +620,8 @@ static struct mmc_blk_data *mmc_blk_alloc(struct mmc_card *card)
         * messages to tell when the card is present.
         */
 
-       sprintf(md->disk->disk_name, "mmcblk%d", devidx);
+       snprintf(md->disk->disk_name, sizeof(md->disk->disk_name),
+               "mmcblk%d", devidx);
 
        blk_queue_logical_block_size(md->queue.queue, 512);