linux-kernel - [PATCH 1/9] staging: r8188eu: replace one GetAddr3Ptr call

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Message-Id: <20221015152440.232281-2-martin@kaiser.cx>
Date:   Sat, 15 Oct 2022 17:24:32 +0200
From:   Martin Kaiser <martin@...ser.cx>
To:     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,
        Martin Kaiser <martin@...ser.cx>
Subject: [PATCH 1/9] staging: r8188eu: replace one GetAddr3Ptr call

Define a struct ieee80211_mgmt for the message that we process in
OnDeAuth. Use this struct to read the bssid.

This patch removes one GetAddr3Ptr call, getting us a tiny step closer to
removing GetAddr3Ptr.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/r8188eu/core/rtw_mlme_ext.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index 07905e2ae8e0..0c4b3b99150d 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -1457,6 +1457,7 @@ unsigned int OnAssocRsp(struct adapter *padapter, struct recv_frame *precv_frame
 
 unsigned int OnDeAuth(struct adapter *padapter, struct recv_frame *precv_frame)
 {
+	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)precv_frame->rx_data;
 	unsigned short	reason;
 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
@@ -1464,8 +1465,7 @@ unsigned int OnDeAuth(struct adapter *padapter, struct recv_frame *precv_frame)
 	u8 *pframe = precv_frame->rx_data;
 	struct wifidirect_info *pwdinfo = &padapter->wdinfo;
 
-	/* check A3 */
-	if (!(!memcmp(GetAddr3Ptr(pframe), get_my_bssid(&pmlmeinfo->network), ETH_ALEN)))
+	if (memcmp(mgmt->bssid, get_my_bssid(&pmlmeinfo->network), ETH_ALEN))
 		return _SUCCESS;
 
 	if (pwdinfo->rx_invitereq_info.scan_op_ch_only) {
-- 
2.30.2