mmc: fix disk/queue leak in case of adding disk failure

In case of adding disk failure, the disk needs to be released, otherwise
disk/queue is leaked.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20220718160851.312972-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index bda6c67..e08e22f 100644 (file)
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -2505,10 +2505,11 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
                dev_set_drvdata(&card->dev, md);
        ret = device_add_disk(md->parent, md->disk, mmc_disk_attr_groups);
        if (ret)
-               goto err_cleanup_queue;
+               goto err_put_disk;
        return md;
 
- err_cleanup_queue:
+ err_put_disk:
+       put_disk(md->disk);
        blk_mq_free_tag_set(&md->queue.tag_set);
  err_kfree:
        kfree(md);