From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756731Ab3KYP2a (ORCPT ); Mon, 25 Nov 2013 10:28:30 -0500 Received: from mail-la0-f50.google.com ([209.85.215.50]:38271 "EHLO mail-la0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754967Ab3KYP1f (ORCPT ); Mon, 25 Nov 2013 10:27:35 -0500 From: Jonas Jensen To: netdev@vger.kernel.org Cc: davem@davemloft.net, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, f.fainelli@gmail.com, bhutchings@solarflare.com, Jonas Jensen Subject: [PATCH v2 5/6] net: MOXA ART: generate random address Date: Mon, 25 Nov 2013 16:27:07 +0100 Message-Id: <1385393228-22416-5-git-send-email-jonas.jensen@gmail.com> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1385393228-22416-1-git-send-email-jonas.jensen@gmail.com> References: <1385393228-22416-1-git-send-email-jonas.jensen@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The address register is zero:ed on boot, fill it with a randomly generated address on probe. Signed-off-by: Jonas Jensen --- Notes: Applies to next-20131125 drivers/net/ethernet/moxa/moxart_ether.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index d1c4a83..ef7a347 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -734,6 +734,12 @@ static int moxart_mac_probe(struct platform_device *pdev) goto init_fail; } + if (!is_valid_ether_addr(ndev->dev_addr)) { + eth_hw_addr_random(ndev); + netdev_info(ndev, "generated random MAC address %pM\n", + ndev->dev_addr); + } + netdev_dbg(ndev, "%s: IRQ=%d address=%pM\n", __func__, ndev->irq, ndev->dev_addr); -- 1.8.2.1