From: FUJITA Tomonori <fujita.tomonori@gmail.com>
Date: Thu, 23 Oct 2025 06:11:24 +0000 (+0900)
Subject: rust: simplify read_poll_timeout's example code
X-Git-Tag: v6.19-rc1~90^2~63
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aad1577ab950d1ad46e0dd0915bfbaf9fa9160e4;p=thirdparty%2Fkernel%2Flinux.git

rust: simplify read_poll_timeout's example code

- Drop unnecessary Result's '<()>'
- Use '?' instead of match

Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
---

diff --git a/rust/kernel/io/poll.rs b/rust/kernel/io/poll.rs
index 613eb25047efc..8f8886543f342 100644
--- a/rust/kernel/io/poll.rs
+++ b/rust/kernel/io/poll.rs
@@ -42,8 +42,8 @@ use crate::{
 ///
 /// const HW_READY: u16 = 0x01;
 ///
-/// fn wait_for_hardware<const SIZE: usize>(io: &Io<SIZE>) -> Result<()> {
-///     match read_poll_timeout(
+/// fn wait_for_hardware<const SIZE: usize>(io: &Io<SIZE>) -> Result {
+///     read_poll_timeout(
 ///         // The `op` closure reads the value of a specific status register.
 ///         || io.try_read16(0x1000),
 ///         // The `cond` closure takes a reference to the value returned by `op`
@@ -51,14 +51,8 @@ use crate::{
 ///         |val: &u16| *val == HW_READY,
 ///         Delta::from_millis(50),
 ///         Delta::from_secs(3),
-///     ) {
-///         Ok(_) => {
-///             // The hardware is ready. The returned value of the `op` closure
-///             // isn't used.
-///             Ok(())
-///         }
-///         Err(e) => Err(e),
-///     }
+///     )?;
+///     Ok(())
 /// }
 /// ```
 #[track_caller]