linux-kernel - Re: [PATCH v13 4/7] rust: device: add dma addressing capabilities

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Message-ID: <871pv3l3vi.fsf@kernel.org>
Date: Tue, 11 Mar 2025 21:16:33 +0100
From: Andreas Hindborg <a.hindborg@...nel.org>
To: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc: Abdiel Janulgue <abdiel.janulgue@...il.com>,
  rust-for-linux@...r.kernel.org,  daniel.almeida@...labora.com,
  dakr@...nel.org,  robin.murphy@....com,  aliceryhl@...gle.com,  Miguel
 Ojeda <ojeda@...nel.org>,  Alex Gaynor <alex.gaynor@...il.com>,  Boqun
 Feng <boqun.feng@...il.com>,  Gary Guo <gary@...yguo.net>,  Björn Roy
 Baron <bjorn3_gh@...tonmail.com>,  Benno Lossin <benno.lossin@...ton.me>,
  Trevor Gross <tmgross@...ch.edu>,  Valentin Obst
 <kernel@...entinobst.de>,  linux-kernel@...r.kernel.org,  Christoph
 Hellwig <hch@....de>,  Marek Szyprowski <m.szyprowski@...sung.com>,
  airlied@...hat.com,  iommu@...ts.linux.dev
Subject: Re: [PATCH v13 4/7] rust: device: add dma addressing capabilities

Miguel Ojeda <miguel.ojeda.sandonis@...il.com> writes:

> On Tue, Mar 11, 2025 at 6:45 PM Abdiel Janulgue
> <abdiel.janulgue@...il.com> wrote:
>>
>> This already uses `Error::from_errno`?
>
> Maybe Andreas meant `to_result`?

Yes, sorry. It includes the if/else, but it tests for ret < 0. But I
think that is fine here.


Best regards,
Andreas Hindborg