linux-kernel - [PATCH v18 06/16] rust: alloc: use `kernel::fmt`

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-Id: <20251018-cstr-core-v18-6-ef3d02760804@gmail.com>
Date: Sat, 18 Oct 2025 13:45:17 -0400
From: Tamir Duberstein <tamird@...il.com>
To: 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>, Andreas Hindborg <a.hindborg@...nel.org>, 
 Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>, 
 Danilo Krummrich <dakr@...nel.org>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Rafael J. Wysocki" <rafael@...nel.org>, 
 Luis Chamberlain <mcgrof@...nel.org>, Russ Weight <russ.weight@...ux.dev>, 
 Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
 Will Deacon <will@...nel.org>, Waiman Long <longman@...hat.com>, 
 Nathan Chancellor <nathan@...nel.org>, 
 Nick Desaulniers <nick.desaulniers+lkml@...il.com>, 
 Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>, 
 Christian Brauner <brauner@...nel.org>, 
 Alexander Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>, 
 Arve Hjønnevåg <arve@...roid.com>, 
 Todd Kjos <tkjos@...roid.com>, Martijn Coenen <maco@...roid.com>, 
 Joel Fernandes <joelagnelf@...dia.com>, Carlos Llamas <cmllamas@...gle.com>, 
 Suren Baghdasaryan <surenb@...gle.com>, Jens Axboe <axboe@...nel.dk>, 
 Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, 
 Vlastimil Babka <vbabka@...e.cz>, 
 "Liam R. Howlett" <Liam.Howlett@...cle.com>, 
 Uladzislau Rezki <urezki@...il.com>, Bjorn Helgaas <bhelgaas@...gle.com>, 
 Krzysztof Wilczyński <kwilczynski@...nel.org>, 
 Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>, 
 Stephen Boyd <sboyd@...nel.org>, Breno Leitao <leitao@...ian.org>, 
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Michael Turquette <mturquette@...libre.com>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>
Cc: rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
 llvm@...ts.linux.dev, linux-fsdevel@...r.kernel.org, 
 linux-block@...r.kernel.org, linux-pci@...r.kernel.org, 
 linux-pm@...r.kernel.org, linux-clk@...r.kernel.org, 
 dri-devel@...ts.freedesktop.org, Tamir Duberstein <tamird@...il.com>
Subject: [PATCH v18 06/16] rust: alloc: use `kernel::fmt`

Reduce coupling to implementation details of the formatting machinery by
avoiding direct use for `core`'s formatting traits and macros.

This backslid in commit 9def0d0a2a1c ("rust: alloc: add
Vec::push_within_capacity").

Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>
Acked-by: Danilo Krummrich <dakr@...nel.org>
Signed-off-by: Tamir Duberstein <tamird@...il.com>
---
 rust/kernel/alloc/kvec/errors.rs | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/rust/kernel/alloc/kvec/errors.rs b/rust/kernel/alloc/kvec/errors.rs
index 21a920a4b09b..e7de5049ee47 100644
--- a/rust/kernel/alloc/kvec/errors.rs
+++ b/rust/kernel/alloc/kvec/errors.rs
@@ -2,14 +2,14 @@

 //! Errors for the [`Vec`] type.

-use kernel::fmt::{self, Debug, Formatter};
+use kernel::fmt;
 use kernel::prelude::*;

 /// Error type for [`Vec::push_within_capacity`].
 pub struct PushError<T>(pub T);

-impl<T> Debug for PushError<T> {
-    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+impl<T> fmt::Debug for PushError<T> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "Not enough capacity")
     }
 }
@@ -25,8 +25,8 @@ fn from(_: PushError<T>) -> Error {
 /// Error type for [`Vec::remove`].
 pub struct RemoveError;

-impl Debug for RemoveError {
-    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+impl fmt::Debug for RemoveError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "Index out of bounds")
     }
 }
@@ -45,8 +45,8 @@ pub enum InsertError<T> {
     OutOfCapacity(T),
 }

-impl<T> Debug for InsertError<T> {
-    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+impl<T> fmt::Debug for InsertError<T> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
             InsertError::IndexOutOfBounds(_) => write!(f, "Index out of bounds"),
             InsertError::OutOfCapacity(_) => write!(f, "Not enough capacity"),

-- 
2.51.1