linux-kernel - [PATCH v17 03/11] rust_binder: use `kernel::fmt`

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Message-Id: <20251015-cstr-core-v17-3-dc5e7aec870d@gmail.com>
Date: Wed, 15 Oct 2025 15:24:33 -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>
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, 
 Tamir Duberstein <tamird@...il.com>
Subject: [PATCH v17 03/11] rust_binder: 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 eafedbc7c050 ("rust_binder: add Rust Binder
driver").

Signed-off-by: Tamir Duberstein <tamird@...il.com>
---
 drivers/android/binder/error.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/android/binder/error.rs b/drivers/android/binder/error.rs
index 9921827267d0..b24497cfa292 100644
--- a/drivers/android/binder/error.rs
+++ b/drivers/android/binder/error.rs
@@ -2,6 +2,7 @@

 // Copyright (C) 2025 Google LLC.

+use kernel::fmt;
 use kernel::prelude::*;

 use crate::defs::*;
@@ -76,8 +77,8 @@ fn from(_: kernel::alloc::AllocError) -> Self {
     }
 }

-impl core::fmt::Debug for BinderError {
-    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+impl fmt::Debug for BinderError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self.reply {
             BR_FAILED_REPLY => match self.source.as_ref() {
                 Some(source) => f

-- 
2.51.0