linux-kernel - [PATCH v6 1/2] rust: error: Add EOVERFLOW

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Message-ID: <20241205113234.2021442-1-abdiel.janulgue@gmail.com>
Date: Thu,  5 Dec 2024 13:32:16 +0200
From: Abdiel Janulgue <abdiel.janulgue@...il.com>
To: daniel.almeida@...labora.com
Cc: 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>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>,
	Valentin Obst <kernel@...entinobst.de>,
	rust-for-linux@...r.kernel.org (open list:RUST),
	linux-kernel@...r.kernel.org (open list),
	Christoph Hellwig <hch@....de>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Robin Murphy <robin.murphy@....com>,
	airlied@...hat.com,
	iommu@...ts.linux.dev (open list:DMA MAPPING HELPERS),
	Abdiel Janulgue <abdiel.janulgue@...il.com>
Subject: [PATCH v6 1/2] rust: error: Add EOVERFLOW

Trivial addition for missing EOVERFLOW error. This is used by a
subsequent patch that might require returning EOVERFLOW as a result
of `checked_mul`.

Signed-off-by: Abdiel Janulgue <abdiel.janulgue@...il.com>
---
 rust/kernel/error.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rust/kernel/error.rs b/rust/kernel/error.rs
index 52c502432447..cd57fac7f1f9 100644
--- a/rust/kernel/error.rs
+++ b/rust/kernel/error.rs
@@ -63,6 +63,7 @@ macro_rules! declare_err {
     declare_err!(EPIPE, "Broken pipe.");
     declare_err!(EDOM, "Math argument out of domain of func.");
     declare_err!(ERANGE, "Math result not representable.");
+    declare_err!(EOVERFLOW, "Value too large for defined data type.");
     declare_err!(ERESTARTSYS, "Restart the system call.");
     declare_err!(ERESTARTNOINTR, "System call was interrupted by a signal and will be restarted.");
     declare_err!(ERESTARTNOHAND, "Restart if no handler.");

base-commit: 40384c840ea1944d7c5a392e8975ed088ecf0b37
-- 
2.43.0