Commit 6cf4511e authored Mar 24, 2019 by Kangjie Lu Committed by Bartosz Golaszewski Mar 25, 2019

gpio: aspeed: fix a potential NULL pointer dereference



In case devm_kzalloc, the patch returns ENOMEM to avoid potential
NULL pointer dereference.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

parent b45a02e1

drivers/gpio/gpio-aspeed.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1224,6 +1224,8 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev)

		gpio->offset_timer =
		devm_kzalloc(&pdev->dev, gpio->chip.ngpio, GFP_KERNEL);
		if (!gpio->offset_timer)
		return -ENOMEM;

		return aspeed_gpio_setup_irqs(gpio, pdev);
		}

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