Commit 33c07b46 authored Mar 29, 2015 by Vladimir Zapolskiy Committed by Linus Walleij Apr 08, 2015

gpio: x-gene: fix devm_ioremap_resource() check



devm_ioremap_resource() returns IOMEM_ERR_PTR() and it never
returns NULL, fix the check to prevent access to invalid
virtual address.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

parent cbfb3ea7

drivers/gpio/gpio-xgene-sb.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -93,7 +93,7 @@ static int xgene_gpio_sb_probe(struct platform_device *pdev)

		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
		regs = devm_ioremap_resource(&pdev->dev, res);
		if (!regs)
		if (IS_ERR(regs))
		return PTR_ERR(regs);

		ret = bgpio_init(&priv->bgc, &pdev->dev, 4,

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