Make use of the struct_size() helper instead of an open-coded version in order to avoid any potential type mistakes.
This code was detected with the help of Coccinelle and, audited and fixed manually. Signed-off-by: Gustavo A. R. Silva <[email protected]> --- drivers/irqchip/irq-imx-intmux.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/irqchip/irq-imx-intmux.c b/drivers/irqchip/irq-imx-intmux.c index c27577c81126..54d8bb4fc5a1 100644 --- a/drivers/irqchip/irq-imx-intmux.c +++ b/drivers/irqchip/irq-imx-intmux.c @@ -210,8 +210,7 @@ static int imx_intmux_probe(struct platform_device *pdev) return -EINVAL; } - data = devm_kzalloc(&pdev->dev, sizeof(*data) + - channum * sizeof(data->irqchip_data[0]), GFP_KERNEL); + data = devm_kzalloc(&pdev->dev, struct_size(data, irqchip_data, channum), GFP_KERNEL); if (!data) return -ENOMEM; -- 2.27.0
