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Tue, 10 Feb 2026 19:30:36 -0800 (PST) From: alistair23@gmail.com X-Google-Original-From: alistair.francis@wdc.com To: bhelgaas@google.com, lukas@wunner.de, rust-for-linux@vger.kernel.org, akpm@linux-foundation.org, linux-pci@vger.kernel.org, Jonathan.Cameron@huawei.com, linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org Cc: alex.gaynor@gmail.com, benno.lossin@proton.me, boqun.feng@gmail.com, a.hindborg@kernel.org, gary@garyguo.net, bjorn3_gh@protonmail.com, tmgross@umich.edu, alistair23@gmail.com, ojeda@kernel.org, wilfred.mallawa@wdc.com, aliceryhl@google.com, Alistair Francis Subject: [RFC v3 07/27] rust: error: impl From for Kernel Error Date: Wed, 11 Feb 2026 13:29:14 +1000 Message-ID: <20260211032935.2705841-8-alistair.francis@wdc.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260211032935.2705841-1-alistair.francis@wdc.com> References: <20260211032935.2705841-1-alistair.francis@wdc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Alistair Francis Implement From for the Kernel Error type Signed-off-by: Alistair Francis --- rust/kernel/error.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/rust/kernel/error.rs b/rust/kernel/error.rs index 258b12afdcba..569d9d032ab3 100644 --- a/rust/kernel/error.rs +++ b/rust/kernel/error.rs @@ -12,6 +12,7 @@ str::CStr, }; =20 +use core::ffi::FromBytesWithNulError; use core::num::NonZeroI32; use core::num::TryFromIntError; use core::str::Utf8Error; @@ -251,6 +252,12 @@ fn from(e: core::convert::Infallible) -> Error { } } =20 +impl From for Error { + fn from(_: FromBytesWithNulError) -> Error { + code::EINVAL + } +} + /// A [`Result`] with an [`Error`] error type. /// /// To be used as the return type for functions that may fail. --=20 2.52.0