mac80211/ath9k: fix invalid MAC address handling

SVN-Revision: 14342

package/mac80211/patches/403-ath9k-fix-invalid-mac-address-handling.patch

@@ -0,0 +1,25 @@
+--- a/drivers/net/wireless/ath9k/hw.c
++++ b/drivers/net/wireless/ath9k/hw.c
+@@ -499,11 +499,18 @@ static int ath9k_hw_init_macaddr(struct 
+ 		ahp->ah_macaddr[2 * i] = eeval >> 8;
+ 		ahp->ah_macaddr[2 * i + 1] = eeval & 0xff;
+ 	}
+-	if (sum == 0 || sum == 0xffff * 3) {
++
++	if (!is_valid_ether_addr(ahp->ah_macaddr)) {
++		DECLARE_MAC_BUF(macbuf);
++
++		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
++			"eeprom contains invalid mac address: %s\n",
++			print_mac(macbuf, ahp->ah_macaddr));
++
++		random_ether_addr(ahp->ah_macaddr);
+ 		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+-			"mac address read failed: %pM\n",
+-			ahp->ah_macaddr);
+-		return -EADDRNOTAVAIL;
++			"random mac address will be used: %s\n",
++			print_mac(macbuf, ahp->ah_macaddr));
+ 	}
+ 
+ 	return 0;