linux-kernel - Re: [Outreachy kernel] [PATCH v2] staging: rtl8723bs: Remove useless led_blink

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Date:   Wed, 14 Apr 2021 19:00:41 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     "Fabio M. De Francesco" <fmdefrancesco@...il.com>
Cc:     outreachy-kernel@...glegroups.com, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Matthew Wilcox <willy@...radead.org>,
        Julia Lawall <julia.lawall@...ia.fr>,
        Dan Carpenter <dan.carpenter@...cle.com>
Subject: Re: [Outreachy kernel] [PATCH v2] staging: rtl8723bs: Remove useless
 led_blink_hdl()

On Wed, Apr 14, 2021 at 06:26:14PM +0200, Fabio M. De Francesco wrote:
> Removed useless led_blink_hdl() prototype and definition. In wlancmds[]
> the slot #60 is now set to NULL using the macro GEN_MLME_EXT_HANDLER. This
> change has not unwanted side effects because the code in rtw_cmd.c checks
> if the function pointer is valid before using it.
> 
> Reported-by: Julia Lawall <julia.lawall@...ia.fr>
> Suggested-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Fabio M. De Francesco <fmdefrancesco@...il.com>
> ---
> 
> Changes since v1: Corrected a bad solution to this issue that made use of
> an unnecessary dummy function.
> 
>  drivers/staging/rtl8723bs/core/rtw_cmd.c         | 2 +-
>  drivers/staging/rtl8723bs/core/rtw_mlme_ext.c    | 9 ---------
>  drivers/staging/rtl8723bs/include/rtw_mlme_ext.h | 1 -
>  3 files changed, 1 insertion(+), 11 deletions(-)
> 
> diff --git a/drivers/staging/rtl8723bs/core/rtw_cmd.c b/drivers/staging/rtl8723bs/core/rtw_cmd.c
> index 0297fbad7bce..f82dbd4f4c3d 100644
> --- a/drivers/staging/rtl8723bs/core/rtw_cmd.c
> +++ b/drivers/staging/rtl8723bs/core/rtw_cmd.c
> @@ -150,7 +150,7 @@ static struct cmd_hdl wlancmds[] = {
>  
>  	GEN_MLME_EXT_HANDLER(0, h2c_msg_hdl) /*58*/
>  	GEN_MLME_EXT_HANDLER(sizeof(struct SetChannelPlan_param), set_chplan_hdl) /*59*/
> -	GEN_MLME_EXT_HANDLER(sizeof(struct LedBlink_param), led_blink_hdl) /*60*/
> +	GEN_MLME_EXT_HANDLER(0, NULL) /*60*/

Better, but you really do not need to keep this here, right?  Remove the
"led blink command" entirely, you didn't do that here.

thanks,

greg k-h