From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonas Jensen Subject: [PATCH 4/5] net: MOXA ART: generate random address Date: Fri, 22 Nov 2013 15:57:21 +0100 Message-ID: <1385132242-3204-4-git-send-email-jonas.jensen@gmail.com> References: <1385132242-3204-1-git-send-email-jonas.jensen@gmail.com> Cc: davem@davemloft.net, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jonas Jensen To: netdev@vger.kernel.org Return-path: In-Reply-To: <1385132242-3204-1-git-send-email-jonas.jensen@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.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-20131122 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 08c3905..c02075a 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -700,6 +700,12 @@ 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