# Re: \[PATCH v4 01/38\] dma-mapping: add generic helpers for mapping sgtable objects

- From: Marek Szyprowski \<m.szyprowski@samsung.com\>
- Date: 2020-05-12 13:19:26 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2020/05/5962322
- Thread: https://ratatoskr.run/dri-devel/2020/05/5962322/t.md

```text
Hi Christoph,

On 12.05.2020 15:09, Christoph Hellwig wrote:
> On Tue, May 12, 2020 at 03:00:31PM +0200, Marek Szyprowski wrote:
>>> 	if (n <= 0)
>>> 		return -EINVAL;
>>> 	sgt->nents = n;
>>> 	return 0;
>>>
>> Indeed this version looks much better. I will resend it in a few minutes.
> I could also just fix it up when applying the patch.
Fine for me.

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland


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