linux-kernel - [PATCH 02/10] rust: xarray: add debug format for `StoreError`

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20251203-xarray-entry-send-v1-2-9e5ffd5e3cf0@kernel.org>
Date: Wed, 03 Dec 2025 23:26:32 +0100
From: Andreas Hindborg <a.hindborg@...nel.org>
To: Tamir Duberstein <tamird@...il.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 <lossin@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, 
 Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>
Cc: Daniel Gomez <da.gomez@...nel.org>, rust-for-linux@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Andreas Hindborg <a.hindborg@...nel.org>
Subject: [PATCH 02/10] rust: xarray: add debug format for `StoreError`

Add a `Debug` implementation for `StoreError<T>` to enable better error
reporting and debugging. The implementation only displays the `error`
field and omits the `value` field, as `T` may not implement `Debug`.

Signed-off-by: Andreas Hindborg <a.hindborg@...nel.org>
---
 rust/kernel/xarray.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/rust/kernel/xarray.rs b/rust/kernel/xarray.rs
index 88625c9abf4ef..d9762c6bef19c 100644
--- a/rust/kernel/xarray.rs
+++ b/rust/kernel/xarray.rs
@@ -193,6 +193,14 @@ pub struct StoreError<T> {
     pub value: T,
 }
 
+impl<T> core::fmt::Debug for StoreError<T> {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        f.debug_struct("StoreError")
+            .field("error", &self.error)
+            .finish()
+    }
+}
+
 impl<T> From<StoreError<T>> for Error {
     fn from(value: StoreError<T>) -> Self {
         value.error

-- 
2.51.2