Re: [PATCH v2 09/20] staging: rtl8723bs: put parentheses on macros with complex values in include/rtw_debug.h

From: Greg KH
Date: Sun Mar 28 2021 - 08:09:43 EST


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@xxxxxxxxx>
> ---
> 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