# Re: \[PATCH 0/8\] slab: provide and use krealloc\_array()

- From: Linus Walleij \<hidden\>
- Date: 2020-11-05 10:52:44 
- List: netdev
- Page: https://ratatoskr.run/netdev/2020/11/6165281
- Thread: https://ratatoskr.run/linux-media/2020/10/6151361/t.md

```text
On Tue, Oct 27, 2020 at 1:17 PM Bartosz Golaszewski [ref] wrote:

> From: Bartosz Golaszewski <redacted>
>
> Andy brought to my attention the fact that users allocating an array of
> equally sized elements should check if the size multiplication doesn't
> overflow. This is why we have helpers like kmalloc_array().
>
> However we don't have krealloc_array() equivalent and there are many
> users who do their own multiplication when calling krealloc() for arrays.
>
> This series provides krealloc_array() and uses it in a couple places.
>
> A separate series will follow adding devm_krealloc_array() which is
> needed in the xilinx adc driver.

The series:
Acked-by: Linus Walleij <redacted>

I really like this.

Yours,
Linus Walleij
```