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Commit cd738916 authored by Sachin Kamat's avatar Sachin Kamat Committed by Linus Walleij
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gpio-sta2x11: Fix potential NULL pointer dereference 



devm_kzalloc can return NULL. Check for it before dereferencing.

Signed-off-by: default avatarSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent ea4a21a2

drivers/gpio/gpio-sta2x11.c

+2 −0
Original line number Diff line number Diff line
@@ -371,6 +371,8 @@ static int gsta_probe(struct platform_device *dev) 
	res = platform_get_resource(dev, IORESOURCE_MEM, 0);



	chip = devm_kzalloc(&dev->dev, sizeof(*chip), GFP_KERNEL);

	if (!chip)

		return -ENOMEM;

	chip->dev = &dev->dev;

	chip->reg_base = devm_request_and_ioremap(&dev->dev, res);