From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonas Jensen Subject: [PATCH v3 6/7] net: moxa: generate random address Date: Mon, 20 Jan 2014 12:13:18 +0100 Message-ID: <1390216399-27028-6-git-send-email-jonas.jensen@gmail.com> References: <1390216399-27028-1-git-send-email-jonas.jensen@gmail.com> Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, davem@davemloft.net, f.fainelli@gmail.com, bhutchings@solarflare.com, Jonas Jensen To: netdev@vger.kernel.org Return-path: In-Reply-To: <1390216399-27028-1-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-20140120 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 6df372f..0f25f4dc 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -740,6 +740,12 @@ 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