linux-kernel - [PATCH 3/3] rust: pin-init: feature-gate the `stack_init

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Message-ID: <20250523125424.192843-4-lossin@kernel.org>
Date: Fri, 23 May 2025 14:54:13 +0200
From: Benno Lossin <lossin@...nel.org>
To: Benno Lossin <lossin@...nel.org>,
	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>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>,
	Fiona Behrens <me@...enk.dev>
Cc: Benno Lossin <benno.lossin@...ton.me>,
	rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] rust: pin-init: feature-gate the `stack_init_reuse` test on the `std` feature

From: Benno Lossin <benno.lossin@...ton.me>

When trying to run `cargo check --all-targets --no-default-features`, an
error is reported by the test, as it cannot find the `std` crate. This
is to be expected, since the `--no-default-features` flag enables the
`no-std` behavior of the crate. Thus exclude the test in that scenario.

Link: https://github.com/Rust-for-Linux/pin-init/pull/50/commits/2813729ccacdedee9dbfcab1ed285b8721a0391b
Signed-off-by: Benno Lossin <lossin@...nel.org>
---
 rust/pin-init/src/__internal.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rust/pin-init/src/__internal.rs b/rust/pin-init/src/__internal.rs
index 557b5948cddc..90f18e9a2912 100644
--- a/rust/pin-init/src/__internal.rs
+++ b/rust/pin-init/src/__internal.rs
@@ -188,6 +188,7 @@ pub fn init<E>(self: Pin<&mut Self>, init: impl PinInit<T, E>) -> Result<Pin<&mu
 }
 
 #[test]
+#[cfg(feature = "std")]
 fn stack_init_reuse() {
     use ::std::{borrow::ToOwned, println, string::String};
     use core::pin::pin;
-- 
2.49.0