Commit 9d4e98e9 authored by Akinobu Mita's avatar Akinobu Mita Committed by Pierre Ossman

mmc_block: handle error from mmc_register_driver()

Check error from mmc_register_driver() and properly unwind
block device registration.
Signed-off-by: default avatarAkinobu Mita <>
Signed-off-by: default avatarPierre Ossman <>
parent da45b66e
......@@ -613,14 +613,19 @@ 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;
unregister_blkdev(MMC_BLOCK_MAJOR, "mmc");
return res;
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