From 1c1832c7cd35db90b126a984685b44858ad63d01 Mon Sep 17 00:00:00 2001 From: "Girish K.S" Date: Thu, 15 Jan 2015 10:41:47 +0900 Subject: [PATCH] net: sxgbe: Fix NULL dereferece when using DT When the MAC address is provided in the device tree file, the condition is true and kernel crashes due to NULL dereference. Signed-off-by: Girish K.S Signed-off-by: Byungho An Signed-off-by: Kukjin Kim Signed-off-by: David S. Miller --- drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c index 866560ea9e18..b02eed12bfc5 100644 --- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c +++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c @@ -108,10 +108,6 @@ static int sxgbe_platform_probe(struct platform_device *pdev) } } - /* Get MAC address if available (DT) */ - if (mac) - ether_addr_copy(priv->dev->dev_addr, mac); - priv = sxgbe_drv_probe(&(pdev->dev), plat_dat, addr); if (!priv) { pr_err("%s: main driver probe failed\n", __func__); @@ -125,6 +121,10 @@ static int sxgbe_platform_probe(struct platform_device *pdev) goto err_drv_remove; } + /* Get MAC address if available (DT) */ + if (mac) + ether_addr_copy(priv->dev->dev_addr, mac); + /* Get the TX/RX IRQ numbers */ for (i = 0, chan = 1; i < SXGBE_TX_QUEUES; i++) { priv->txq[i]->irq_no = irq_of_parse_and_map(node, chan++); -- 2.20.1