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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: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Mike Sinkovsky <msink@permonline.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
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parent
9b17876f3e
commit
77577bf932
2 changed files with 2 additions and 2 deletions
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@ -682,7 +682,7 @@ static int __devinit w5100_hw_probe(struct platform_device *pdev)
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return ret;
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priv->irq = irq;
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priv->link_gpio = data->link_gpio;
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priv->link_gpio = data ? data->link_gpio : -EINVAL;
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if (gpio_is_valid(priv->link_gpio)) {
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char *link_name = devm_kzalloc(&pdev->dev, 16, GFP_KERNEL);
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if (!link_name)
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@ -594,7 +594,7 @@ static int __devinit w5300_hw_probe(struct platform_device *pdev)
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return ret;
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priv->irq = irq;
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priv->link_gpio = data->link_gpio;
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priv->link_gpio = data ? data->link_gpio : -EINVAL;
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if (gpio_is_valid(priv->link_gpio)) {
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char *link_name = devm_kzalloc(&pdev->dev, 16, GFP_KERNEL);
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if (!link_name)
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