linux-kernel - [PATCH 1/5] staging: r8188eu: use standard multicast addr check

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Message-Id: <20221023170808.46233-2-martin@kaiser.cx>
Date:   Sun, 23 Oct 2022 19:08:04 +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 1/5] staging: r8188eu: use standard multicast addr check

Use is_multicast_ether_addr to check for a multicast address instead of
reimplementing this check in the driver.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/r8188eu/core/rtw_sta_mgt.c | 2 +-
 drivers/staging/r8188eu/include/wifi.h     | 5 -----
 2 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_sta_mgt.c b/drivers/staging/r8188eu/core/rtw_sta_mgt.c
index bbde5c03f9ae..51324e708697 100644
--- a/drivers/staging/r8188eu/core/rtw_sta_mgt.c
+++ b/drivers/staging/r8188eu/core/rtw_sta_mgt.c
@@ -404,7 +404,7 @@ struct sta_info *rtw_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
 	if (!hwaddr)
 		return NULL;
 
-	if (IS_MCAST(hwaddr))
+	if (is_multicast_ether_addr(hwaddr))
 		addr = bc_addr;
 	else
 		addr = hwaddr;
diff --git a/drivers/staging/r8188eu/include/wifi.h b/drivers/staging/r8188eu/include/wifi.h
index 381385a7e118..fdb7c1bf3573 100644
--- a/drivers/staging/r8188eu/include/wifi.h
+++ b/drivers/staging/r8188eu/include/wifi.h
@@ -236,11 +236,6 @@ enum WIFI_REG_DOMAIN {
 
 #define GetAddr4Ptr(pbuf)	((unsigned char *)((size_t)(pbuf) + 24))
 
-static inline bool IS_MCAST(unsigned char *da)
-{
-	return (*da) & 0x01;
-}
-
 static inline unsigned char *get_da(unsigned char *pframe)
 {
 	unsigned char	*da;
-- 
2.30.2