On Mon, Oct 26, 2020 at 4:03 PM Bartosz Golaszewski <[email protected]> wrote:
>
> From: Bartosz Golaszewski <[email protected]>
>
> We now have devm_krealloc() in the kernel Use it indstead of calling
> kfree() and kcalloc() separately.

Which is completely lawful when size > previous_size (I mean, the
additional patch you sent previously seems not related to this).

> -       kfree(xadc->data);
> -       xadc->data = kcalloc(n, sizeof(*xadc->data), GFP_KERNEL);
> +       xadc->data = devm_krealloc(indio_dev->dev.parent, xadc->data,
> +                                  n * sizeof(*xadc->data),

I think you need to use something from overflow.h instead of explicit
multiplication here.

> +                                  GFP_KERNEL | __GFP_ZERO);

-- 
With Best Regards,
Andy Shevchenko

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