ath: move ath_bcast_mac to common header

This is used by both ath5k and ath9k to set the first bssid mask.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c
index 71a1bd25..9a009a7 100644
--- a/drivers/net/wireless/ath/ath5k/attach.c
+++ b/drivers/net/wireless/ath/ath5k/attach.c
@@ -336,7 +336,7 @@
 	ath5k_hw_set_lladdr(ah, (u8[ETH_ALEN]){});
 
 	/* Set BSSID to bcast address: ff:ff:ff:ff:ff:ff for now */
-	memset(ah->ah_bssid, 0xff, ETH_ALEN);
+	memcpy(ah->ah_bssid, ath_bcast_mac, ETH_ALEN);
 	ath5k_hw_set_associd(ah, ah->ah_bssid, 0);
 	ath5k_hw_set_opmode(ah);
 
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 9c6ab53..a28d795 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -815,7 +815,7 @@
 
 	SET_IEEE80211_PERM_ADDR(hw, mac);
 	/* All MAC address bits matter for ACKs */
-	memset(sc->bssidmask, 0xff, ETH_ALEN);
+	memcpy(sc->bssidmask, ath_bcast_mac, ETH_ALEN);
 	ath5k_hw_set_bssid_mask(sc->ah, sc->bssidmask);
 
 	regulatory->current_rd = ah->ah_capabilities.cap_eeprom.ee_regdomain;
diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c
index 2942f13..43aa358 100644
--- a/drivers/net/wireless/ath/ath5k/pcu.c
+++ b/drivers/net/wireless/ath/ath5k/pcu.c
@@ -365,7 +365,7 @@
  * assuming only 4 bits for a mac address and for BSSIDs you can then have:
  *
  *                  \
- * MAC:                0001 |
+ * MAC:        0001 |
  * BSSID-01:   0100 | --> Belongs to us
  * BSSID-02:   1001 |
  *                  /