linux-kernel - Re: [PATCH] staging: r8188eu: drop return value from receive

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Message-ID: <4a6b8f5f-e859-5b19-a162-d4ff8d65490a@gmail.com>
Date:   Sun, 26 Jun 2022 22:45:20 +0200
From:   Philipp Hortmann <philipp.g.hortmann@...il.com>
To:     Martin Kaiser <martin@...ser.cx>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Michael Straube <straube.linux@...il.com>,
        Pavel Skripkin <paskripkin@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: r8188eu: drop return value from
 receive_disconnect

On 6/26/22 20:07, Martin Kaiser wrote:
> The receive_disconnect function always returns _SUCCESS. None of the
> callers checks the return value. We can remove it.
> 
> Signed-off-by: Martin Kaiser <martin@...ser.cx>
> ---
>   drivers/staging/r8188eu/core/rtw_mlme_ext.c    | 5 ++---
>   drivers/staging/r8188eu/include/rtw_mlme_ext.h | 3 +--
>   2 files changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
> index cce0575e93b7..fc6e06d7b5ca 100644
> --- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
> +++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
> @@ -6191,14 +6191,14 @@ void start_clnt_assoc(struct adapter *padapter)
>   	set_link_timer(pmlmeext, REASSOC_TO);
>   }
>   
> -unsigned int receive_disconnect(struct adapter *padapter, unsigned char *MacAddr, unsigned short reason)
> +void receive_disconnect(struct adapter *padapter, unsigned char *MacAddr, unsigned short reason)
>   {
>   	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
>   	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
>   
>   	/* check A3 */
>   	if (!(!memcmp(MacAddr, get_my_bssid(&pmlmeinfo->network), ETH_ALEN)))
> -		return _SUCCESS;
> +		return;
>   
>   	if ((pmlmeinfo->state & 0x03) == WIFI_FW_STATION_STATE) {
>   		if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) {
> @@ -6209,7 +6209,6 @@ unsigned int receive_disconnect(struct adapter *padapter, unsigned char *MacAddr
>   			report_join_res(padapter, -2);
>   		}
>   	}
> -	return _SUCCESS;
>   }
>   
>   static void process_80211d(struct adapter *padapter, struct wlan_bssid_ex *bssid)
> diff --git a/drivers/staging/r8188eu/include/rtw_mlme_ext.h b/drivers/staging/r8188eu/include/rtw_mlme_ext.h
> index 71864733b1c0..56c0e584bb6c 100644
> --- a/drivers/staging/r8188eu/include/rtw_mlme_ext.h
> +++ b/drivers/staging/r8188eu/include/rtw_mlme_ext.h
> @@ -468,8 +468,7 @@ unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps);
>   void Update_RA_Entry(struct adapter *padapter, u32 mac_id);
>   void set_sta_rate(struct adapter *padapter, struct sta_info *psta);
>   
> -unsigned int receive_disconnect(struct adapter *padapter,
> -				unsigned char *macaddr, unsigned short reason);
> +void receive_disconnect(struct adapter *padapter, unsigned char *macaddr, unsigned short reason);
>   
>   unsigned char get_highest_rate_idx(u32 mask);
>   int support_short_GI(struct adapter *padapter, struct HT_caps_element *caps);

Tested-by: Philipp Hortmann <philipp.g.hortmann@...il.com> # Edimax N150