Re: [PATCH v4 2/2] scripts: checkpatch: check unused parameters for function-like macro

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On 3/27/2024 7:21 PM, Barry Song wrote:
> From: Xining Xu <mac.xxn@xxxxxxxxxxx>
> 
> If function-like macros do not utilize a parameter, it might result in a
> build warning.  In our coding style guidelines, we advocate for utilizing
> static inline functions to replace such macros.  This patch verifies
> compliance with the new rule.
> 
> For a macro such as the one below,
> 
>  #define test(a) do { } while (0)
> 
> The test result is as follows.
> 
>  ERROR: Parameter 'a' is not used in function-like macro, please use static
>  inline instead
>  #21: FILE: mm/init-mm.c:20:
>  +#define test(a) do { } while (0)
> 
>  total: 1 errors, 0 warnings, 8 lines checked
> 
> Signed-off-by: Xining Xu <mac.xxn@xxxxxxxxxxx>

if you are re-posting somebody else's work you need to add your own Signed-off-by

> Tested-by: Barry Song <v-songbaohua@xxxxxxxx>
> Cc: Chris Zankel <chris@xxxxxxxxxx>
> Cc: Huacai Chen <chenhuacai@xxxxxxxxxxx>
> Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
> Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Cc: Mark Brown <broonie@xxxxxxxxxx>
> Cc: Andy Whitcroft <apw@xxxxxxxxxxxxx>
> Cc: Dwaipayan Ray <dwaipayanray1@xxxxxxxxx>
> Cc: Joe Perches <joe@xxxxxxxxxxx>
> Cc: Jonathan Corbet <corbet@xxxxxxx>
> Cc: Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx>
> Cc: Max Filippov <jcmvbkbc@xxxxxxxxx>





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