linux-kernel - Re: [PATCH 2/4] platform/x86: think-lmi: Correct System password interface

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Date:   Tue, 23 May 2023 12:46:52 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Mark Pearson <mpearson-lenovo@...ebb.ca>
Cc:     markgross@...nel.org, platform-driver-x86@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] platform/x86: think-lmi: Correct System password
 interface

Hi Mark,

On 5/17/23 20:19, Mark Pearson wrote:
> The system password identification was incorrect. This means that if
> the password was enabled it wouldn't be detected correctly; and setting
> it would not work.
> 
> Correct these mistakes.
> 
> Signed-off-by: Mark Pearson <mpearson-lenovo@...ebb.ca>
> ---
>  drivers/platform/x86/think-lmi.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c
> index d9341305eba9..b8431d3b137f 100644
> --- a/drivers/platform/x86/think-lmi.c
> +++ b/drivers/platform/x86/think-lmi.c
> @@ -171,7 +171,7 @@ MODULE_PARM_DESC(debug_support, "Enable debug command support");
>  #define TLMI_POP_PWD (1 << 0)
>  #define TLMI_PAP_PWD (1 << 1)
>  #define TLMI_HDD_PWD (1 << 2)
> -#define TLMI_SYS_PWD (1 << 3)
> +#define TLMI_SYS_PWD (1 << 6)
>  #define TLMI_CERT    (1 << 7)
>  
>  #define to_tlmi_pwd_setting(kobj)  container_of(kobj, struct tlmi_pwd_setting, kobj)
> @@ -1504,7 +1504,7 @@ static int tlmi_analyze(void)
>  		tlmi_priv.pwd_power->valid = true;
>  
>  	if (tlmi_priv.opcode_support) {
> -		tlmi_priv.pwd_system = tlmi_create_auth("sys", "system");
> +		tlmi_priv.pwd_system = tlmi_create_auth("smp", "system");

"smp" ?

Also this is not explained in the commit message.

Regards,

Hans


>  		if (!tlmi_priv.pwd_system)
>  			goto fail_clear_attr;
>