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Commit 5ca06ebe authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

ath9k: use a random MAC address if the EEPROM address is invalid 



Based on OpenWrt patch by Gabor Juhos

Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 3468968e

drivers/net/wireless/ath/ath9k/hw.c

+11 −2
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#include <linux/module.h>

#include <linux/time.h>

#include <linux/bitops.h>

#include <linux/etherdevice.h>

#include <asm/unaligned.h>



#include "hw.h"
@@ -446,8 +447,16 @@ static int ath9k_hw_init_macaddr(struct ath_hw *ah) 
		common->macaddr[2 * i] = eeval >> 8;

		common->macaddr[2 * i + 1] = eeval & 0xff;

	}

	if (sum == 0 || sum == 0xffff * 3)

		return -EADDRNOTAVAIL;

	if (!is_valid_ether_addr(common->macaddr)) {

		ath_err(common,

			"eeprom contains invalid mac address: %pM\n",

			common->macaddr);



		random_ether_addr(common->macaddr);

		ath_err(common,

			"random mac address will be used: %pM\n",

			common->macaddr);

	}



	return 0;

}