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Message-ID: <20240904204347.168520-16-ojeda@kernel.org>
Date: Wed, 4 Sep 2024 22:43:43 +0200
From: Miguel Ojeda <ojeda@...nel.org>
To: Miguel Ojeda <ojeda@...nel.org>,
Alex Gaynor <alex.gaynor@...il.com>,
Wedson Almeida Filho <wedsonaf@...il.com>
Cc: 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@...sung.com>,
Alice Ryhl <aliceryhl@...gle.com>,
Trevor Gross <tmgross@...ch.edu>,
rust-for-linux@...r.kernel.org,
linux-kernel@...r.kernel.org,
patches@...ts.linux.dev
Subject: [PATCH 15/19] rust: enable Clippy's `check-private-items`
In Rust 1.76.0, Clippy added the `check-private-items` lint configuration
option. When turned on (the default is off), it makes several lints
check private items as well.
In our case, it affects two lints we have enabled [1]:
`missing_safety_doc` and `unnecessary_safety_doc`.
It also seems to affect the new `too_long_first_doc_paragraph` lint [2],
even though the documentation does not mention it.
Thus allow the few instances remaining we currently hit and enable
the lint.
Link: https://doc.rust-lang.org/nightly/clippy/lint_configuration.html#check-private-items [1]
Link: https://rust-lang.github.io/rust-clippy/master/index.html#/too_long_first_doc_paragraph [2]
Signed-off-by: Miguel Ojeda <ojeda@...nel.org>
---
.clippy.toml | 2 ++
rust/kernel/init.rs | 1 +
rust/kernel/init/__internal.rs | 2 ++
rust/kernel/init/macros.rs | 1 +
rust/kernel/print.rs | 1 +
5 files changed, 7 insertions(+)
diff --git a/.clippy.toml b/.clippy.toml
index ad9f804fb677..e4c4eef10b28 100644
--- a/.clippy.toml
+++ b/.clippy.toml
@@ -1,5 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
+check-private-items = true
+
disallowed-macros = [
# The `clippy::dbg_macro` lint only works with `std::dbg!`, thus we simulate
# it here, see: https://github.com/rust-lang/rust-clippy/issues/11303.
diff --git a/rust/kernel/init.rs b/rust/kernel/init.rs
index aec26a4decb1..10ec90a5f5d8 100644
--- a/rust/kernel/init.rs
+++ b/rust/kernel/init.rs
@@ -125,6 +125,7 @@
//! use core::{ptr::addr_of_mut, marker::PhantomPinned, pin::Pin};
//! # mod bindings {
//! # #![allow(non_camel_case_types)]
+//! # #![allow(clippy::missing_safety_doc)]
//! # pub struct foo;
//! # pub unsafe fn init_foo(_ptr: *mut foo) {}
//! # pub unsafe fn destroy_foo(_ptr: *mut foo) {}
diff --git a/rust/kernel/init/__internal.rs b/rust/kernel/init/__internal.rs
index 163eb072f296..549ae227c2ea 100644
--- a/rust/kernel/init/__internal.rs
+++ b/rust/kernel/init/__internal.rs
@@ -54,6 +54,7 @@ unsafe fn __pinned_init(self, slot: *mut T) -> Result<(), E> {
pub unsafe trait HasPinData {
type PinData: PinData;
+ #[allow(clippy::missing_safety_doc)]
unsafe fn __pin_data() -> Self::PinData;
}
@@ -83,6 +84,7 @@ fn make_closure<F, O, E>(self, f: F) -> F
pub unsafe trait HasInitData {
type InitData: InitData;
+ #[allow(clippy::missing_safety_doc)]
unsafe fn __init_data() -> Self::InitData;
}
diff --git a/rust/kernel/init/macros.rs b/rust/kernel/init/macros.rs
index 93af8f3d8d4d..8733ba3834ab 100644
--- a/rust/kernel/init/macros.rs
+++ b/rust/kernel/init/macros.rs
@@ -989,6 +989,7 @@ fn drop(&mut self) {
//
// The functions are `unsafe` to prevent accidentally calling them.
#[allow(dead_code)]
+ #[allow(clippy::missing_safety_doc)]
impl<$($impl_generics)*> $pin_data<$($ty_generics)*>
where $($whr)*
{
diff --git a/rust/kernel/print.rs b/rust/kernel/print.rs
index fe53fc469c4f..45af17095a24 100644
--- a/rust/kernel/print.rs
+++ b/rust/kernel/print.rs
@@ -14,6 +14,7 @@
use crate::str::RawFormatter;
// Called from `vsprintf` with format specifier `%pA`.
+#[allow(clippy::missing_safety_doc)]
#[no_mangle]
unsafe extern "C" fn rust_fmt_argument(
buf: *mut c_char,
--
2.46.0
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