shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-06 02:50:49 +09:00
Code Issues Packages Projects Releases Wiki Activity

platform/x86: think-lmi: Use kfree_sensitive instead of kfree

Browse Source 
[ Upstream commit 1da0893aed ]

key might contain private part of the key, so better use
kfree_sensitive to free it.

Signed-off-by: Wang Ming <machel@vivo.com>
Link: https://lore.kernel.org/r/20230717101114.18966-1-machel@vivo.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wang Ming
2023-07-17 18:11:02 +08:00
committed by Greg Kroah-Hartman
parent dea41980d7
commit aeee50c152
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/platform/x86/think-lmi.c
View File

@@ -719,12 +719,12 @@ static ssize_t cert_to_password_store(struct kobject *kobj,
/* Format: 'Password,Signature' */ /* Format: 'Password,Signature' */
auth_str = kasprintf(GFP_KERNEL, "%s,%s", passwd, setting->signature); auth_str = kasprintf(GFP_KERNEL, "%s,%s", passwd, setting->signature);
if (!auth_str) { if (!auth_str) {
kfree(passwd); kfree_sensitive(passwd);
return -ENOMEM; return -ENOMEM;
} }
ret = tlmi_simple_call(LENOVO_CERT_TO_PASSWORD_GUID, auth_str); ret = tlmi_simple_call(LENOVO_CERT_TO_PASSWORD_GUID, auth_str);
kfree(auth_str); kfree(auth_str);
kfree(passwd); kfree_sensitive(passwd);
return ret ?: count; return ret ?: count;
} }