linux-kernel - Re: [PATCH v2 1/1] gpiolib: Fix debug messaging in gpiod_find_and

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] [day] [month] [year] [list]

Message-ID: <CAE-0n510RRchFH44Up=Dv2C+oKCwyyjkz_YZvc1fNiq_v0uoQw@mail.gmail.com>
Date: Thu, 28 Mar 2024 19:27:27 -0500
From: Stephen Boyd <swboyd@...omium.org>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>, Linus Walleij <linus.walleij@...aro.org>, 
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Bartosz Golaszewski <brgl@...ev.pl>, Ferry Toth <ftoth@...londelft.nl>, 
	Dmitry Torokhov <dmitry.torokhov@...il.com>
Subject: Re: [PATCH v2 1/1] gpiolib: Fix debug messaging in gpiod_find_and_request()

Quoting Andy Shevchenko (2024-03-20 09:58:47)
> When consolidating GPIO lookups in ACPI code, the debug messaging
> had been reworked that the user may see
>
>   [   13.401147] (NULL device *): using ACPI '\_SB.LEDS.led-0' for '(null)' GPIO lookup
>   [   13.401378] gpio gpiochip0: Persistence not supported for GPIO 40
>   [   13.401402] gpio-40 (?): no flags found for (null)
>
> instead of
>
>   [   14.182962] gpio gpiochip0: Persistence not supported for GPIO 40
>   [   14.182994] gpio-40 (?): no flags found for gpios
>
> The '(null)' parts are less informative and likely scare the users.
> Replace them by '(default)' which can point out to the default connection
> IDs, such as 'gpios'.
>
> While at it, amend other places where con_id is used in the messages.
>
> Reported-by: Ferry Toth <ftoth@...londelft.nl>
> Fixes: 8eb1f71e7acc ("gpiolib: consolidate GPIO lookups")
> Suggested-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---

Reviewed-by: Stephen Boyd <swboyd@...omium.org>