From: Kangjie Lu <kjlu@xxxxxxx> [ Upstream commit 6cf4511e9729c00a7306cf94085f9cc3c52ee723 ] In case devm_kzalloc, the patch returns ENOMEM to avoid potential NULL pointer dereference. Signed-off-by: Kangjie Lu <kjlu@xxxxxxx> Reviewed-by: Andrew Jeffery <andrew@xxxxxxxx> Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> Signed-off-by: Sasha Levin (Microsoft) <sashal@xxxxxxxxxx> --- drivers/gpio/gpio-aspeed.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c index f03fe916eb9d..f6d1bda8a802 100644 --- a/drivers/gpio/gpio-aspeed.c +++ b/drivers/gpio/gpio-aspeed.c @@ -861,6 +861,8 @@ 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); } -- 2.19.1
