if (num_regulators <= 0)
return -EINVAL;
- priv = devm_kzalloc(&pdev->dev, sizeof(*priv) +
- num_regulators * sizeof(priv->regulators[0]),
- GFP_KERNEL);
+ priv = devm_kzalloc(&pdev->dev,
+ struct_size(priv, regulators, num_regulators),
+ GFP_KERNEL);
if (!priv)
return -ENOMEM;