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Commit 77577bf9 authored by Mike Sinkovsky's avatar Mike Sinkovsky Committed by David S. Miller
Browse files

net: WIZnet drivers: fix possible NULL dereference 



This fixes possible null dereference in probe() function: when both
.mac_addr and .link_gpio are unknown, dev.platform_data may be NULL

Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarMike Sinkovsky <msink@permonline.ru>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9b17876f

drivers/net/ethernet/wiznet/w5100.c

+1 −1
Original line number Diff line number Diff line
@@ -682,7 +682,7 @@ static int __devinit w5100_hw_probe(struct platform_device *pdev) 
		return ret;

	priv->irq = irq;



	priv->link_gpio = data->link_gpio;

	priv->link_gpio = data ? data->link_gpio : -EINVAL;

	if (gpio_is_valid(priv->link_gpio)) {

		char *link_name = devm_kzalloc(&pdev->dev, 16, GFP_KERNEL);

		if (!link_name)

drivers/net/ethernet/wiznet/w5300.c

+1 −1
Original line number Diff line number Diff line
@@ -594,7 +594,7 @@ static int __devinit w5300_hw_probe(struct platform_device *pdev) 
		return ret;

	priv->irq = irq;



	priv->link_gpio = data->link_gpio;

	priv->link_gpio = data ? data->link_gpio : -EINVAL;

	if (gpio_is_valid(priv->link_gpio)) {

		char *link_name = devm_kzalloc(&pdev->dev, 16, GFP_KERNEL);

		if (!link_name)