Use possibly more efficient ether_addr_equal
instead of memcmp.

Cc: Solomon Peachy <pi...@shaftnet.org>
Cc: John W. Linville <linvi...@tuxdriver.com>
Cc: linux-wirel...@vger.kernel.org
Cc: net...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Weilong Chen <chenweil...@huawei.com>
Signed-off-by: Ding Tianhong <dingtianh...@huawei.com>
---
 drivers/net/wireless/cw1200/sta.c  | 5 +++--
 drivers/net/wireless/cw1200/txrx.c | 3 +--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/cw1200/sta.c 
b/drivers/net/wireless/cw1200/sta.c
index 010b252..103f7bc 100644
--- a/drivers/net/wireless/cw1200/sta.c
+++ b/drivers/net/wireless/cw1200/sta.c
@@ -13,6 +13,7 @@
 #include <linux/sched.h>
 #include <linux/firmware.h>
 #include <linux/module.h>
+#include <linux/etherdevice.h>
 
 #include "cw1200.h"
 #include "sta.h"
@@ -555,8 +556,8 @@ u64 cw1200_prepare_multicast(struct ieee80211_hw *hw,
                pr_debug("[STA] multicast: %pM\n", ha->addr);
                memcpy(&priv->multicast_filter.macaddrs[count],
                       ha->addr, ETH_ALEN);
-               if (memcmp(ha->addr, broadcast_ipv4, ETH_ALEN) &&
-                   memcmp(ha->addr, broadcast_ipv6, ETH_ALEN))
+               if (!ether_addr_equal(ha->addr, broadcast_ipv4) &&
+                   !ether_addr_equal(ha->addr, broadcast_ipv6))
                        priv->has_multicast_subscription = true;
                count++;
        }
diff --git a/drivers/net/wireless/cw1200/txrx.c 
b/drivers/net/wireless/cw1200/txrx.c
index e824d4d..0bd5411 100644
--- a/drivers/net/wireless/cw1200/txrx.c
+++ b/drivers/net/wireless/cw1200/txrx.c
@@ -1166,8 +1166,7 @@ void cw1200_rx_cb(struct cw1200_common *priv,
                        return;
        } else if (ieee80211_is_beacon(frame->frame_control) &&
                   !arg->status && priv->vif &&
-                  !memcmp(ieee80211_get_SA(frame), priv->vif->bss_conf.bssid,
-                          ETH_ALEN)) {
+                  ether_addr_equal(ieee80211_get_SA(frame), 
priv->vif->bss_conf.bssid)) {
                const u8 *tim_ie;
                u8 *ies = ((struct ieee80211_mgmt *)
                          (skb->data))->u.beacon.variable;
-- 
1.8.0


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