linux-kernel - Re: [PATCH] staging: rtl8188eu: remove ASSERT and ODM_RT

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Date:   Tue, 25 May 2021 08:44:44 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Phillip Potter <phil@...lpotter.co.uk>
Cc:     Larry.Finger@...inger.net, straube.linux@...il.com,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: rtl8188eu: remove ASSERT and ODM_RT_ASSERT
 macros

On Mon, May 24, 2021 at 11:45:32PM +0100, Phillip Potter wrote:
> Remove the ASSERT and ODM_RT_ASSERT macros from include/odm_debug.h
> as they are unnecessary.
> 
> ASSERT does nothing, compiling to a single empty statement.
> ODM_RT_ASSERT is used in only one place, in the ODM_RAStateCheck
> function with hal/odm.c - it seems to have been intended as an
> assertion of some kind, but given it is always called with false
> here, there is little point in it not just being a pr_info() call.
> 
> Also, the lines relating to the file, function and line number are
> not needed as the pr_info() with the function name and error message
> is sufficient should anyone wish to track down this error at a source
> level, within what is currently a relatively small function.
> 
> Signed-off-by: Phillip Potter <phil@...lpotter.co.uk>
> ---
>  drivers/staging/rtl8188eu/hal/odm.c           |  2 +-
>  drivers/staging/rtl8188eu/include/odm_debug.h | 13 -------------
>  2 files changed, 1 insertion(+), 14 deletions(-)
> 
> diff --git a/drivers/staging/rtl8188eu/hal/odm.c b/drivers/staging/rtl8188eu/hal/odm.c
> index 4d659a812aed..b800d0c6dff5 100644
> --- a/drivers/staging/rtl8188eu/hal/odm.c
> +++ b/drivers/staging/rtl8188eu/hal/odm.c
> @@ -824,7 +824,7 @@ bool ODM_RAStateCheck(struct odm_dm_struct *pDM_Odm, s32 RSSI, bool bForceUpdate
>  		LowRSSIThreshForRA += GoUpGap;
>  		break;
>  	default:
> -		ODM_RT_ASSERT(pDM_Odm, false, ("wrong rssi level setting %d !", *pRATRState));
> +		pr_info("%s(): wrong rssi level setting %d!\n", __func__, *pRATRState);

I know you're just copying what the existing code does, but this really
should just be a dev_err() call instead.  It's not "info", and as this
is a driver, dev_*() should be called instead.

So I'll take this one, but for future cleanups, consider changing the
pr_*() calls to the correct ones.

thanks,

greg k-h