This is a note to let you know that I've just added the patch titled
crypto: ccree - Remove debugfs when platform_driver_register failed
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
crypto-ccree-remove-debugfs-when-platform_driver_reg.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 8b63dbf3a964877080e3a8a9dedf4fe285f2af24
Author: Gaosheng Cui <cuigaosheng1@xxxxxxxxxx>
Date: Tue Nov 8 16:29:12 2022 +0800
crypto: ccree - Remove debugfs when platform_driver_register failed
[ 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@xxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/crypto/ccree/cc_driver.c b/drivers/crypto/ccree/cc_driver.c
index 790fa9058a36..41f0a404bdf9 100644
--- a/drivers/crypto/ccree/cc_driver.c
+++ b/drivers/crypto/ccree/cc_driver.c
@@ -656,9 +656,17 @@ 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);
