linux-kernel - [PATCH 6/8] staging: r8188eu: use is_multicast_ether_addr in core/rtw

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Date:   Mon, 23 Aug 2021 14:01:04 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk, martin@...ser.cx,
        fmdefrancesco@...il.com, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>
Subject: [PATCH 6/8] staging: r8188eu: use is_multicast_ether_addr in core/rtw_xmit.c

Use is_multicast_ether_addr instead of custom macro IS_MCAST, all
buffers are properly aligned.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/r8188eu/core/rtw_xmit.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_xmit.c b/drivers/staging/r8188eu/core/rtw_xmit.c
index f242f3ffca70..b901d4398f03 100644
--- a/drivers/staging/r8188eu/core/rtw_xmit.c
+++ b/drivers/staging/r8188eu/core/rtw_xmit.c
@@ -411,7 +411,7 @@ static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct p
 	struct sta_info *psta = NULL;
 	struct ethhdr etherhdr;
 
-	int bmcast;
+	bool bmcast;
 	struct sta_priv		*pstapriv = &padapter->stapriv;
 	struct security_priv	*psecuritypriv = &padapter->securitypriv;
 	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;
@@ -472,7 +472,7 @@ static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct p
 	if ((pattrib->ether_type == 0x0806) || (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1))
 		rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
 
-	bmcast = IS_MCAST(pattrib->ra);
+	bmcast = is_multicast_ether_addr(pattrib->ra);
 
 	/*  get sta_info */
 	if (bmcast) {
@@ -597,7 +597,6 @@ static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitfr
 	struct	xmit_priv *pxmitpriv = &padapter->xmitpriv;
 	u8 priority[4] = {0x0, 0x0, 0x0, 0x0};
 	u8 hw_hdr_offset = 0;
-	int bmcst = IS_MCAST(pattrib->ra);
 
 	if (pattrib->psta)
 		stainfo = pattrib->psta;
@@ -615,7 +614,7 @@ static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitfr
 
 			pframe = pxmitframe->buf_addr + hw_hdr_offset;
 
-			if (bmcst) {
+			if (is_multicast_ether_addr(pattrib->ra)) {
 				if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16))
 					return _FAIL;
 				/* start to calculate the mic code */
@@ -715,12 +714,10 @@ s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattr
 
 	struct sta_info *psta;
 
-	int bmcst = IS_MCAST(pattrib->ra);
-
 	if (pattrib->psta) {
 		psta = pattrib->psta;
 	} else {
-		if (bmcst) {
+		if (is_multicast_ether_addr(pattrib->ra)) {
 			psta = rtw_get_bcmc_stainfo(padapter);
 		} else {
 			psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
@@ -907,7 +904,7 @@ s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct
 	struct xmit_priv	*pxmitpriv = &padapter->xmitpriv;
 	struct pkt_attrib	*pattrib = &pxmitframe->attrib;
 	u8 *pbuf_start;
-	s32 bmcst = IS_MCAST(pattrib->ra);
+	bool bmcst = is_multicast_ether_addr(pattrib->ra);
 	s32 res = _SUCCESS;
 
 	if (!pkt)
@@ -1801,7 +1798,7 @@ int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_fra
 	struct sta_priv *pstapriv = &padapter->stapriv;
 	struct pkt_attrib *pattrib = &pxmitframe->attrib;
 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
-	int bmcst = IS_MCAST(pattrib->ra);
+	bool bmcst = is_multicast_ether_addr(pattrib->ra);
 
 	if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
 	    return ret;
-- 
2.32.0