* [PATCH v2] rust: acpi: replace manual zero-initialization with `pin_init::zeroed()`
@ 2025-12-01 15:52 Atharv Dubey
0 siblings, 0 replies; only message in thread
From: Atharv Dubey @ 2025-12-01 15:52 UTC (permalink / raw)
To: Rafael J . Wysocki
Cc: Len Brown, Miguel Ojeda, Alex Gaynor, Boqun Feng, Gary Guo,
Björn Roy Baron, Benno Lossin, Andreas Hindborg, Alice Ryhl,
Trevor Gross, Danilo Krummrich, linux-acpi, rust-for-linux,
linux-kernel, Atharv Dubey
Use `pin_init::zeroed()` instead of `core::mem::zeroed()` for initializing
`acpi_device_id`. This removes an explicit unsafe block and aligns ACPI
initialization with the pin-init conversion used across the Rust tree.
Link: https://github.com/Rust-for-Linux/linux/issues/1189
Signed-off-by: Atharv Dubey <atharvd440@gmail.com>
---
rust/kernel/acpi.rs | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/rust/kernel/acpi.rs b/rust/kernel/acpi.rs
index 37e1161c1298..cc98b36b90a0 100644
--- a/rust/kernel/acpi.rs
+++ b/rust/kernel/acpi.rs
@@ -40,8 +40,7 @@ pub const fn new(id: &'static CStr) -> Self {
let src = id.to_bytes_with_nul();
build_assert!(src.len() <= Self::ACPI_ID_LEN, "ID exceeds 16 bytes");
// Replace with `bindings::acpi_device_id::default()` once stabilized for `const`.
- // SAFETY: FFI type is valid to be zero-initialized.
- let mut acpi: bindings::acpi_device_id = unsafe { core::mem::zeroed() };
+ let mut acpi: bindings::acpi_device_id = pin_init::zeroed();
let mut i = 0;
while i < src.len() {
acpi.id[i] = src[i];
--
2.43.0
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