linux-kernel - Re: [PATCH 02/15] staging: rtl8723bs: put parentheses on macros with complex values in hal/HalBtcOutSrc.h

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Date:   Fri, 26 Mar 2021 12:54:49 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Fabio Aiuto <fabioaiuto83@...il.com>
Cc:     gregkh@...uxfoundation.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/15] staging: rtl8723bs: put parentheses on macros with
 complex values in hal/HalBtcOutSrc.h

On Fri, Mar 26, 2021 at 10:09:09AM +0100, Fabio Aiuto wrote:
> fix the following checkpatch warning:
> 
> ERROR: Macros with complex values should be enclosed in parentheses
> 152: FILE: drivers/staging/rtl8723bs/hal/HalBtcOutSrc.h:152:
> +#define BTC_PRINT(dbgtype, dbgflag, printstr) \
> no_printk printstr
> --
> ERROR: Macros with complex values should be enclosed in parentheses
> 153: FILE: drivers/staging/rtl8723bs/hal/HalBtcOutSrc.h:153:
> +#define BTC_PRINT_F(dbgtype, dbgflag, printstr) \
> no_printk printstr
> --
> ERROR: Macros with complex values should be enclosed in parentheses
> 154: FILE: drivers/staging/rtl8723bs/hal/HalBtcOutSrc.h:154:
> +#define BTC_PRINT_ADDR(dbgtype, dbgflag, printstr, _Ptr) \
> no_printk printstr
> 
> Signed-off-by: Fabio Aiuto <fabioaiuto83@...il.com>
> ---
>  drivers/staging/rtl8723bs/hal/HalBtcOutSrc.h | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/rtl8723bs/hal/HalBtcOutSrc.h b/drivers/staging/rtl8723bs/hal/HalBtcOutSrc.h
> index 10c021024b24..1926a1f7a7e5 100644
> --- a/drivers/staging/rtl8723bs/hal/HalBtcOutSrc.h
> +++ b/drivers/staging/rtl8723bs/hal/HalBtcOutSrc.h
> @@ -149,9 +149,9 @@ extern u32 		GLBtcDbgType[];
>  }
>  
>  #else
> -#define BTC_PRINT(dbgtype, dbgflag, printstr)		 no_printk printstr
> -#define BTC_PRINT_F(dbgtype, dbgflag, printstr)		 no_printk printstr
> -#define BTC_PRINT_ADDR(dbgtype, dbgflag, printstr, _Ptr) no_printk printstr
> +#define BTC_PRINT(dbgtype, dbgflag, printstr)		 (no_printk printstr)
> +#define BTC_PRINT_F(dbgtype, dbgflag, printstr)		 (no_printk printstr)
> +#define BTC_PRINT_ADDR(dbgtype, dbgflag, printstr, _Ptr) (no_printk printstr)

This makes no sense at all.  no_printk is a function.  The BTC_PRINT()
macros are super ugly and this only makes it worse.

regards,
dan carpenter