From d59fa2576fe02efcc08324a2874f38f1f7692836 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Tue, 11 Mar 2025 08:51:19 +0900
Subject: [PATCH] rust: macros: fix documentation of the paste! macro

BugLink: https://bugs.launchpad.net/bugs/2101915

[ Upstream commit 15541c9263ce34ff95a06bc68f45d9bc5c990bcd ]

One of the example in this section uses a curious mix of the constant
and function declaration syntaxes; fix it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Fixes: 823d4737d4c2 ("rust: macros: add `paste!` proc macro")
Link: https://lore.kernel.org/r/20241019072208.1016707-1-pbonzini@redhat.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
---
 rust/macros/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rust/macros/lib.rs b/rust/macros/lib.rs
index 520eae5fd792..d60359880b5a 100644
--- a/rust/macros/lib.rs
+++ b/rust/macros/lib.rs
@@ -322,7 +322,7 @@ pub fn pinned_drop(args: TokenStream, input: TokenStream) -> TokenStream {
 /// macro_rules! pub_no_prefix {
 ///     ($prefix:ident, $($newname:ident),+) => {
 ///         kernel::macros::paste! {
-///             $(pub(crate) const fn [<$newname:lower:span>]: u32 = [<$prefix $newname:span>];)+
+///             $(pub(crate) const fn [<$newname:lower:span>]() -> u32 { [<$prefix $newname:span>] })+
 ///         }
 ///     };
 /// }