diff options
Diffstat (limited to 'drivers/mmc/card')
| -rw-r--r-- | drivers/mmc/card/block.c | 13 | ||||
| -rw-r--r-- | drivers/mmc/card/mmc_test.c | 4 |
2 files changed, 11 insertions, 6 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 86dbb366415..ebc8b9d7761 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -103,8 +103,10 @@ static int mmc_blk_open(struct inode *inode, struct file *filp) check_disk_change(inode->i_bdev); ret = 0; - if ((filp->f_mode & FMODE_WRITE) && md->read_only) + if ((filp->f_mode & FMODE_WRITE) && md->read_only) { + mmc_blk_put(md); ret = -EROFS; + } } return ret; @@ -613,14 +615,19 @@ static struct mmc_driver mmc_driver = { static int __init mmc_blk_init(void) { - int res = -ENOMEM; + int res; res = register_blkdev(MMC_BLOCK_MAJOR, "mmc"); if (res) goto out; - return mmc_register_driver(&mmc_driver); + res = mmc_register_driver(&mmc_driver); + if (res) + goto out2; + return 0; + out2: + unregister_blkdev(MMC_BLOCK_MAJOR, "mmc"); out: return res; } diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c index f26b01d811a..b92b172074e 100644 --- a/drivers/mmc/card/mmc_test.c +++ b/drivers/mmc/card/mmc_test.c @@ -1040,7 +1040,7 @@ static const struct mmc_test_case mmc_test_cases[] = { }; -static struct mutex mmc_test_lock; +static DEFINE_MUTEX(mmc_test_lock); static void mmc_test_run(struct mmc_test_card *test, int testcase) { @@ -1171,8 +1171,6 @@ static int mmc_test_probe(struct mmc_card *card) if ((card->type != MMC_TYPE_MMC) && (card->type != MMC_TYPE_SD)) return -ENODEV; - mutex_init(&mmc_test_lock); - ret = device_create_file(&card->dev, &dev_attr_test); if (ret) return ret; |