2021-04-14 18:10:32

by Fabio Aiuto

[permalink] [raw]
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 <[email protected]>
> Suggested-by: Dan Carpenter <[email protected]>
> Signed-off-by: Fabio M. De Francesco <[email protected]>
> ---
>
> 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*/

I'd remove LedBlink_param struct as well, now it's unused

>
> GEN_MLME_EXT_HANDLER(sizeof(struct SetChannelSwitch_param), set_csa_hdl) /*61*/
> GEN_MLME_EXT_HANDLER(sizeof(struct TDLSoption_param), tdls_hdl) /*62*/
> diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
> index 873d3792ac8e..963ea80083c8 100644
> --- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
> +++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
> @@ -6189,15 +6189,6 @@ u8 set_chplan_hdl(struct adapter *padapter, unsigned char *pbuf)
> return H2C_SUCCESS;
> }
>
> -u8 led_blink_hdl(struct adapter *padapter, unsigned char *pbuf)
> -{
> -
> - if (!pbuf)
> - return H2C_PARAMETERS_ERROR;
> -
> - return H2C_SUCCESS;
> -}
> -
> u8 set_csa_hdl(struct adapter *padapter, unsigned char *pbuf)
> {
> return H2C_REJECTED;
> diff --git a/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h b/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h
> index 5e6cf63956b8..472818c5fd83 100644
> --- a/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h
> +++ b/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h
> @@ -745,7 +745,6 @@ u8 chk_bmc_sleepq_hdl(struct adapter *padapter, unsigned char *pbuf);
> u8 tx_beacon_hdl(struct adapter *padapter, unsigned char *pbuf);
> u8 set_ch_hdl(struct adapter *padapter, u8 *pbuf);
> u8 set_chplan_hdl(struct adapter *padapter, unsigned char *pbuf);
> -u8 led_blink_hdl(struct adapter *padapter, unsigned char *pbuf);
> u8 set_csa_hdl(struct adapter *padapter, unsigned char *pbuf); /* Kurt: Handling DFS channel switch announcement ie. */
> u8 tdls_hdl(struct adapter *padapter, unsigned char *pbuf);
> u8 run_in_thread_hdl(struct adapter *padapter, u8 *pbuf);
> --
> 2.31.1
>
>

thank you,

fabio