From: Gaosheng Cui cuigaosheng1@huawei.com
[ Upstream commit 4f1c596df706c9aca662b6c214fad84047ae2a97 ]
When platform_driver_register failed, we need to remove debugfs, which will caused a resource leak, fix it.
Failed logs as follows: [ 32.606488] debugfs: Directory 'ccree' with parent '/' already present!
Fixes: 4c3f97276e15 ("crypto: ccree - introduce CryptoCell driver") Signed-off-by: Gaosheng Cui cuigaosheng1@huawei.com Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/crypto/ccree/cc_driver.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/ccree/cc_driver.c b/drivers/crypto/ccree/cc_driver.c index cadead18b59e..d489c6f80892 100644 --- a/drivers/crypto/ccree/cc_driver.c +++ b/drivers/crypto/ccree/cc_driver.c @@ -651,9 +651,17 @@ static struct platform_driver ccree_driver = {
static int __init ccree_init(void) { + int rc; + cc_debugfs_global_init();
- return platform_driver_register(&ccree_driver); + rc = platform_driver_register(&ccree_driver); + if (rc) { + cc_debugfs_global_fini(); + return rc; + } + + return 0; } module_init(ccree_init);