Commit f38b5069 authored May 29, 2019 by Young Xiao Committed by Linus Walleij Jun 08, 2019

pinctrl: ns2: Fix potential NULL dereference



platform_get_resource() may fail and return NULL, so we should
better check it's return value to avoid a NULL pointer dereference
a bit later in the code.

Signed-off-by: Young Xiao <92siuyang@gmail.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

parent 3a11cf22

drivers/pinctrl/bcm/pinctrl-ns2-mux.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1048,6 +1048,8 @@ static int ns2_pinmux_probe(struct platform_device *pdev)
		return PTR_ERR(pinctrl->base0);

		res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
		if (!res)
		return -EINVAL;
		pinctrl->base1 = devm_ioremap_nocache(&pdev->dev, res->start,
		resource_size(res));
		if (!pinctrl->base1) {

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