linux-kernel - Re: [PATCH v1 1/1] HID: debug: Remove duplicates from 'keys'

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Message-ID: <ZwWCydOAugOSZrFA@smile.fi.intel.com>
Date: Tue, 8 Oct 2024 22:06:49 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Thomas Kuehne <thomas.kuehne@....li>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Cc: Jiri Kosina <jikos@...nel.org>, Benjamin Tissoires <bentiss@...nel.org>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>
Subject: Re: [PATCH v1 1/1] HID: debug: Remove duplicates from 'keys'

On Thu, Sep 05, 2024 at 09:43:50PM +0300, Andy Shevchenko wrote:
> Duplicates in 'keys prevents kernel builds with clang, `make W=1` and
> CONFIG_WERROR=y, for example:
> 
> drivers/hid/hid-debug.c:3443:18: error: initializer overrides prior initialization of this subobject [-Werror,-Winitializer-overrides]
>  3443 |         [KEY_HANGEUL] = "HanGeul",              [KEY_HANGUP_PHONE] = "HangUpPhone",
>       |                         ^~~~~~~~~
> drivers/hid/hid-debug.c:3217:18: note: previous initialization is here
>  3217 |         [KEY_HANGUEL] = "Hangeul",              [KEY_HANJA] = "Hanja",
>       |                         ^~~~~~~~~
> 
> Fix this by removing them.
> 
> The logic of removal is that, remove...
> 1) if there is a constant that uses another defined constant, OR
> 2) the one that appears later in the list.

Can this be applied or is there another approach?

-- 
With Best Regards,
Andy Shevchenko