netdev - [PATCH 3/4] r6040: warn about MAC address being unset

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Message-Id: <200901071740.42130.florian@openwrt.org>
Date:	Wed, 7 Jan 2009 17:40:41 +0100
From:	Florian Fainelli <florian@...nwrt.org>
To:	David Miller <davem@...emloft.net>, Jeff Garzik <jeff@...zik.org>,
	netdev@...r.kernel.org
Subject: [PATCH 3/4] r6040: warn about MAC address being unset

From: Florian Fainelli <florian@...nwrt.org>
Subject: [PATCH 3/4] r6040: warn about MAC address being unset

Some bootloader/BIOSes do not set the MAC
address, warn about that.

Signed-off-by: Florian Fainelli <florian@...nwrt.org>
---
diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c
index a59efbd..ce619d3 100644
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -1127,6 +1127,11 @@ static int __devinit r6040_init_one(struct pci_dev *pdev,
 	adrp[1] = ioread16(ioaddr + MID_0M);
 	adrp[2] = ioread16(ioaddr + MID_0H);
 
+	/* Some bootloader/BIOSes do not initialize
+	 * MAC address, warn about that */
+	if (!(adrp[0] || adrp[1] || adrp[2]))
+		printk(KERN_WARNING DRV_NAME ": MAC address not initialized\n");
+
 	/* Link new device into r6040_root_dev */
 	lp->pdev = pdev;
 	lp->dev = dev;
--
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