SVP = BIOS Supervisor/Admin password
SMP = BIOS System password
If SMP ACL is enabled in the BIOS then the system allows you to set the
SMP without a SVP password configured. Change code to allow this.
BIOS will return permissions error if SVP is required.
Signed-off-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>
---
Changes in v2: Grammer changes in commit highlighted in review.
drivers/platform/x86/think-lmi.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c
index 46ab82fb2898..c316b1b592d6 100644
--- a/drivers/platform/x86/think-lmi.c
+++ b/drivers/platform/x86/think-lmi.c
@@ -469,7 +469,12 @@ static ssize_t new_password_store(struct kobject *kobj,
if (ret)
goto out;
- if (tlmi_priv.pwd_admin->pwd_enabled) {
+ /*
+ * Note admin password is not always required if SMPControl enabled in BIOS,
+ * So only set if it's configured.
+ * Let BIOS figure it out - we'll get an error if operation is not permitted
+ */
+ if (tlmi_priv.pwd_admin->pwd_enabled && strlen(tlmi_priv.pwd_admin->password)) {
ret = tlmi_opcode_setting("WmiOpcodePasswordAdmin",
tlmi_priv.pwd_admin->password);
if (ret)
--
2.47.0
