linux-kernel - [PATCH v11 1/3] rust: error: Add EOVERFLOW

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Message-ID: <20250123104333.1340512-2-abdiel.janulgue@gmail.com>
Date: Thu, 23 Jan 2025 12:42:57 +0200
From: Abdiel Janulgue <abdiel.janulgue@...il.com>
To: rust-for-linux@...r.kernel.org,
	daniel.almeida@...labora.com,
	dakr@...nel.org,
	robin.murphy@....com,
	aliceryhl@...gle.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>,
	Trevor Gross <tmgross@...ch.edu>,
	Valentin Obst <kernel@...entinobst.de>,
	linux-kernel@...r.kernel.org (open list),
	Christoph Hellwig <hch@....de>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	airlied@...hat.com,
	iommu@...ts.linux.dev (open list:DMA MAPPING HELPERS),
	Abdiel Janulgue <abdiel.janulgue@...il.com>
Subject: [PATCH v11 1/3] 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>
Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>
---
 rust/kernel/error.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rust/kernel/error.rs b/rust/kernel/error.rs
index f6ecf09cb65f..1e510181432c 100644
--- a/rust/kernel/error.rs
+++ b/rust/kernel/error.rs
@@ -64,6 +64,7 @@ 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.");
-- 
2.43.0