staging: r8188eu: use ether_addr_equal in OnAction

Use ether_addr_equal to compare two mac addresses in OnAction.

Both struct ieee80211_mgmt and struct eeprom_priv's mac_addr component
are 2-byte aligned.
Suggested-by: Joe Perches <joe@perches.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20221031205140.124682-1-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_mlme_ext.c

@@ -3823,7 +3823,7 @@ static void OnAction(struct adapter *padapter, struct recv_frame *precv_frame)
 {
 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)precv_frame->rx_data;
 
-	if (memcmp(myid(&padapter->eeprompriv), mgmt->da, ETH_ALEN))
+	if (!ether_addr_equal(myid(&padapter->eeprompriv), mgmt->da))
 		return;
 
 	switch (mgmt->u.action.category) {