ngpio = ARCH_NR_GPIOS;
nbank = DIV_ROUND_UP(ngpio, 32);
- chips = devm_kzalloc(dev,
- nbank * sizeof(struct davinci_gpio_controller),
+ chips = devm_kcalloc(dev,
+ nbank, sizeof(struct davinci_gpio_controller),
GFP_KERNEL);
if (!chips)
return -ENOMEM;