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Date:   Sun, 28 Mar 2021 16:43:24 +0200
From:   Fabio Aiuto <fabioaiuto83@gmail.com>
To:     Greg KH <gregkh@linuxfoundation.org>
Cc:     joe@perches.com, dan.carpenter@oracle.com, david.laight@aculab.com,
        linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 09/20] staging: rtl8723bs: put parentheses on macros
 with complex values in include/rtw_debug.h
Message-ID: <20210328144322.GB1450@agape.jhs>
References: <cover.1616854134.git.fabioaiuto83@gmail.com>
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On Sun, Mar 28, 2021 at 02:08:41PM +0200, Greg KH wrote:
> On Sat, Mar 27, 2021 at 03:24:08PM +0100, Fabio Aiuto wrote:
> > fix the following checkpatch warning:
> > 
> > ERROR: Macros starting with if should be enclosed by a
> > do - while loop to avoid possible if/else logic defects
> > +	#define RT_PRINT_DATA(_Comp, _Level,
> > 	_TitleString, _HexData, _HexDataLen)			\
> > 
> > Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
> > ---
> >  drivers/staging/rtl8723bs/include/rtw_debug.h | 28 ++++++++++---------
> >  1 file changed, 15 insertions(+), 13 deletions(-)
> > 
> > diff --git a/drivers/staging/rtl8723bs/include/rtw_debug.h b/drivers/staging/rtl8723bs/include/rtw_debug.h
> > index d1c557818305..b00f8a6c4312 100644
> > --- a/drivers/staging/rtl8723bs/include/rtw_debug.h
> > +++ b/drivers/staging/rtl8723bs/include/rtw_debug.h
> > @@ -236,19 +236,21 @@
> >  #if	defined(_dbgdump)
> >  	#undef RT_PRINT_DATA
> >  	#define RT_PRINT_DATA(_Comp, _Level, _TitleString, _HexData, _HexDataLen)			\
> > -		if (((_Comp) & GlobalDebugComponents) && (_Level <= GlobalDebugLevel))	\
> > -		{									\
> > -			int __i;								\
> > -			u8 *ptr = (u8 *)_HexData;				\
> > -			_dbgdump("%s", DRIVER_PREFIX);						\
> > -			_dbgdump(_TitleString);						\
> > -			for (__i = 0; __i < (int)_HexDataLen; __i++)				\
> > -			{								\
> > -				_dbgdump("%02X%s", ptr[__i], (((__i + 1) % 4) == 0)?"  ":" ");	\
> > -				if (((__i + 1) % 16) == 0)	_dbgdump("\n");			\
> > -			}								\
> > -			_dbgdump("\n");							\
> > -		}
> 
> This whole nightmare needs to just be deleted and any callers of it need
> to use the in-kernel functions for this instead.
> 
> thanks,
> 
> greg k-h

ok, will we get rid of the private debug level and components tracking as well?

Maybe encapsulating the built-in proposed by Joe, keeping the macro alive?

Thank you,

Fabio