From: Mark Pearson Date: Fri, 9 Feb 2024 15:23:47 +0000 (-0500) Subject: platform/x86: think-lmi: Fix password opcode ordering for workstations X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6f7d0f5fd8e440c3446560100ac4ff9a55eec340;p=linux.git platform/x86: think-lmi: Fix password opcode ordering for workstations The Lenovo workstations require the password opcode to be run before the attribute value is changed (if Admin password is enabled). Tested on some Thinkpads to confirm they are OK with this order too. Signed-off-by: Mark Pearson Fixes: 640a5fa50a42 ("platform/x86: think-lmi: Opcode support") Reviewed-by: Ilpo Järvinen Link: https://lore.kernel.org/r/20240209152359.528919-1-mpearson-lenovo@squebb.ca Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c index 3a396b763c496..ce3e08815a8e6 100644 --- a/drivers/platform/x86/think-lmi.c +++ b/drivers/platform/x86/think-lmi.c @@ -1009,7 +1009,16 @@ static ssize_t current_value_store(struct kobject *kobj, * Note - this sets the variable and then the password as separate * WMI calls. Function tlmi_save_bios_settings will error if the * password is incorrect. + * Workstation's require the opcode to be set before changing the + * attribute. */ + if (tlmi_priv.pwd_admin->valid && tlmi_priv.pwd_admin->password[0]) { + ret = tlmi_opcode_setting("WmiOpcodePasswordAdmin", + tlmi_priv.pwd_admin->password); + if (ret) + goto out; + } + set_str = kasprintf(GFP_KERNEL, "%s,%s;", setting->display_name, new_setting); if (!set_str) { @@ -1021,17 +1030,10 @@ static ssize_t current_value_store(struct kobject *kobj, if (ret) goto out; - if (tlmi_priv.save_mode == TLMI_SAVE_BULK) { + if (tlmi_priv.save_mode == TLMI_SAVE_BULK) tlmi_priv.save_required = true; - } else { - if (tlmi_priv.pwd_admin->valid && tlmi_priv.pwd_admin->password[0]) { - ret = tlmi_opcode_setting("WmiOpcodePasswordAdmin", - tlmi_priv.pwd_admin->password); - if (ret) - goto out; - } + else ret = tlmi_save_bios_settings(""); - } } else { /* old non-opcode based authentication method (deprecated) */ if (tlmi_priv.pwd_admin->valid && tlmi_priv.pwd_admin->password[0]) { auth_str = kasprintf(GFP_KERNEL, "%s,%s,%s;",