const char *parents[2] = {AC100_RTC_32K_NAME};
int i, ret;
- chip->clk_data = devm_kzalloc(chip->dev, sizeof(*chip->clk_data) +
- sizeof(*chip->clk_data->hws) *
- AC100_CLKOUT_NUM,
- GFP_KERNEL);
+ chip->clk_data = devm_kzalloc(chip->dev,
+ struct_size(chip->clk_data, hws,
+ AC100_CLKOUT_NUM),
+ GFP_KERNEL);
if (!chip->clk_data)
return -ENOMEM;