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>
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@ -19,6 +19,7 @@
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#include <linux/module.h>
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#include <linux/module.h>
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#include <linux/time.h>
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#include <linux/time.h>
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#include <linux/bitops.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 <asm/unaligned.h>
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#include "hw.h"
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#include "hw.h"
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@ -446,8 +447,16 @@ static int ath9k_hw_init_macaddr(struct ath_hw *ah)
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common->macaddr[2 * i] = eeval >> 8;
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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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common->macaddr[2 * i + 1] = eeval & 0xff;
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}
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}
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if (sum == 0 || sum == 0xffff * 3)
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if (!is_valid_ether_addr(common->macaddr)) {
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return -EADDRNOTAVAIL;
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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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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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return 0;
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}
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}
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