linux-kernel - Re: [PATCH] Input: fix boolreturn.cocci warnings

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Date:   Thu, 18 Feb 2021 19:35:57 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     kernel test robot <lkp@...el.com>
Cc:     Michael Srba <Michael.Srba@...nam.cz>, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [PATCH] Input: fix boolreturn.cocci warnings

Hi,

On Thu, Feb 18, 2021 at 05:59:53PM +0800, kernel test robot wrote:
> From: kernel test robot <lkp@...el.com>
> 
> drivers/input/touchscreen/zinitix.c:250:8-9: WARNING: return of 0/1 in function 'zinitix_init_touch' with return type bool
> 
>  Return statements in functions returning bool should use
>  true/false instead of 1/0.
> Generated by: scripts/coccinelle/misc/boolreturn.cocci
> 
> Fixes: 26822652c85e ("Input: add zinitix touchscreen driver")
> CC: Michael Srba <Michael.Srba@...nam.cz>
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: kernel test robot <lkp@...el.com>
> ---
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   f40ddce88593482919761f74910f42f4b84c004b
> commit: 26822652c85eff14e40115255727b2693400c524 Input: add zinitix touchscreen driver
> 
>  zinitix.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- a/drivers/input/touchscreen/zinitix.c
> +++ b/drivers/input/touchscreen/zinitix.c
> @@ -247,7 +247,7 @@ static bool zinitix_init_touch(struct bt
>  		udelay(10);
>  	}
>  
> -	return 0;
> +	return false;

This is incorrect as function is trying to return error codes. It needs
to be changed to return int. I'll take care of it.

Thanks.

-- 
Dmitry