linux-kernel - Re: [PATCH] Removing ununsed variable int lo, hi, int data and int i from comedi/drivers/dt2814.c.

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Message-ID: <20200524140838.urnzunavhoic6c72@ltop.local>
Date:   Sun, 24 May 2020 16:08:38 +0200
From:   Luc Van Oostenryck <luc.vanoostenryck@...il.com>
To:     GAURAV PATHAK <gauravpathak129@...il.com>
Cc:     abbotti@....co.uk, gregkh@...uxfoundation.org,
        hsweeten@...ionengravers.com, linux-kernel@...r.kernel.org,
        devel@...verdev.osuosl.org
Subject: Re: [PATCH] Removing ununsed variable int lo, hi, int data and int i
 from comedi/drivers/dt2814.c.

On Sun, May 24, 2020 at 07:02:20PM +0530, GAURAV PATHAK wrote:
> 
> For few drivers, I am getting:
> 
> CC [M]  drivers/staging/vt6656/key.o
>   CHECK   drivers/staging/vt6656/rf.c
> /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:417:9: warning: preprocessor token offsetof redefined
> ./include/linux/stddef.h:17:9: this was the original definition
> 
> but I guess these are false positive, as #undef offsetof is already present in ./include/linux/stddef.h.

But there is no #undef in /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h
which seems to be sometimes included after Linux's include/linux/stddef.h

-- Luc