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

Based on OpenWrt patch by Gabor Juhos

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hifive-unleashed-5.1
Felix Fietkau 2014-10-25 17:19:35 +02:00 committed by John W. Linville
parent 3468968ef7
commit 5ca06ebe75
1 changed files with 11 additions and 2 deletions
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13
drivers/net/wireless/ath/ath9k/hw.c
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@ -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;
}