linux-kernel - Re: [PATCH 1/3] platform/x86: asus-wmi: explicitly mark more code with CONFIG_ASUS_WMI_DEPRECATED

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <9f5085e9-454f-f003-27cd-0eb86dfd9e11@linux.intel.com>
Date: Tue, 30 Dec 2025 15:41:25 +0200 (EET)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Denis Benato <benato.denis96@...il.com>
cc: Denis Benato <denis.benato@...ux.dev>, LKML <linux-kernel@...r.kernel.org>, 
    platform-driver-x86@...r.kernel.org, Hans de Goede <hansg@...nel.org>, 
    "Luke D . Jones" <luke@...nes.dev>, Mateusz Schyboll <dragonn@...pl>
Subject: Re: [PATCH 1/3] platform/x86: asus-wmi: explicitly mark more code
 with CONFIG_ASUS_WMI_DEPRECATED_ATTRS

On Tue, 30 Dec 2025, Denis Benato wrote:
> On 12/29/25 11:06, Ilpo Järvinen wrote:
> > On Thu, 25 Dec 2025, Denis Benato wrote:
> >
> >> Be more explicit in code that will be excluded when compiling
> >> with CONFIG_ASUS_WMI_DEPRECATED_ATTRS disabled.
> > Does this result in build fails or warnings? If that's the case, it should 
> > be mentioned in the changelog + Fixes tag added.
> Hi,
> 
> Sadly no, despite a property in a struct instantiated only once
> being forcefully set to false no warning is emitted by neither
> clang nor gcc :(

Ah, I was mainly expecting unused function warning but apparently since it 
was still being "used" it obviously won't trigger that warning.

-- 
 i.

> >> Signed-off-by: Denis Benato <denis.benato@...ux.dev>
> >> ---
> >>  drivers/platform/x86/asus-wmi.c | 10 ++++++++++
> >>  1 file changed, 10 insertions(+)
> >>
> >> diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
> >> index 4aec7ec69250..a49447eff4f4 100644
> >> --- a/drivers/platform/x86/asus-wmi.c
> >> +++ b/drivers/platform/x86/asus-wmi.c
> >> @@ -302,7 +302,11 @@ struct asus_wmi {
> >>  	u32 nv_temp_target;
> >>  
> >>  	u32 kbd_rgb_dev;
> >> +
> >> +#if IS_ENABLED(CONFIG_ASUS_WMI_DEPRECATED_ATTRS)
> >>  	bool kbd_rgb_state_available;
> >> +#endif /* IS_ENABLED(CONFIG_ASUS_WMI_DEPRECATED_ATTRS) */
> >> +
> >>  	bool oobe_state_available;
> >>  
> >>  	u8 throttle_thermal_policy_mode;
> >> @@ -1060,6 +1064,7 @@ static const struct attribute_group kbd_rgb_mode_group = {
> >>  };
> >>  
> >>  /* TUF Laptop Keyboard RGB State **********************************************/
> >> +#if IS_ENABLED(CONFIG_ASUS_WMI_DEPRECATED_ATTRS)
> >>  static ssize_t kbd_rgb_state_store(struct device *dev,
> >>  				 struct device_attribute *attr,
> >>  				 const char *buf, size_t count)
> >> @@ -1106,6 +1111,8 @@ static const struct attribute_group kbd_rgb_state_group = {
> >>  	.attrs = kbd_rgb_state_attrs,
> >>  };
> >>  
> >> +#endif /* IS_ENABLED(CONFIG_ASUS_WMI_DEPRECATED_ATTRS) */
> >> +
> >>  static const struct attribute_group *kbd_rgb_mode_groups[] = {
> >>  	NULL,
> >>  	NULL,
> >> @@ -1861,8 +1868,11 @@ static int asus_wmi_led_init(struct asus_wmi *asus)
> >>  
> >>  	if (asus->kbd_rgb_dev)
> >>  		kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_mode_group;
> >> +
> >> +#if IS_ENABLED(CONFIG_ASUS_WMI_DEPRECATED_ATTRS)
> >>  	if (asus->kbd_rgb_state_available)
> >>  		kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_state_group;
> >> +#endif /* IS_ENABLED(CONFIG_ASUS_WMI_DEPRECATED_ATTRS) */
> >>  
> >>  	asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
> >>  	if (!asus->led_workqueue)
> >>
> 
5~