39 lines
1,013 B
Diff
39 lines
1,013 B
Diff
From: Felix Fietkau <nbd@openwrt.org>
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Date: Sat, 18 Oct 2014 18:31:49 +0200
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Subject: [PATCH] ath9k: use a random MAC address if the EEPROM address
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is invalid
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Based on OpenWrt patch by Gabor Juhos
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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---
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--- a/drivers/net/wireless/ath/ath9k/hw.c
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+++ b/drivers/net/wireless/ath/ath9k/hw.c
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@@ -19,6 +19,7 @@
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#include <linux/module.h>
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#include <linux/time.h>
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#include <linux/bitops.h>
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+#include <linux/etherdevice.h>
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#include <asm/unaligned.h>
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#include "hw.h"
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@@ -446,8 +447,16 @@ static int ath9k_hw_init_macaddr(struct
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common->macaddr[2 * i] = eeval >> 8;
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common->macaddr[2 * i + 1] = eeval & 0xff;
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}
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- if (sum == 0 || sum == 0xffff * 3)
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- return -EADDRNOTAVAIL;
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+ if (!is_valid_ether_addr(common->macaddr)) {
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+ ath_err(common,
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+ "eeprom contains invalid mac address: %pM\n",
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+ common->macaddr);
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+
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+ random_ether_addr(common->macaddr);
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+ ath_err(common,
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+ "random mac address will be used: %pM\n",
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+ common->macaddr);
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+ }
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return 0;
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}
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