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[2/5] rust: list: simplify macro capture

Message ID 20250324-list-no-offset-v1-2-afd2b7fc442a@gmail.com (mailing list archive)
State Handled Elsewhere
Delegated to: Bjorn Helgaas
Headers show
Series rust: list: remove HasListLinks::OFFSET | expand

Commit Message

Tamir Duberstein March 24, 2025, 9:33 p.m. UTC
Avoid manually capturing generics; use `ty` to capture the whole type
instead.

Signed-off-by: Tamir Duberstein <tamird@gmail.com>
---
 rust/kernel/list/impl_list_item_mod.rs | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)
diff mbox series

Patch

diff --git a/rust/kernel/list/impl_list_item_mod.rs b/rust/kernel/list/impl_list_item_mod.rs
index a0438537cee1..5ed66fdce953 100644
--- a/rust/kernel/list/impl_list_item_mod.rs
+++ b/rust/kernel/list/impl_list_item_mod.rs
@@ -43,7 +43,7 @@  unsafe fn raw_get_list_links(ptr: *mut Self) -> *mut ListLinks<ID> {
 macro_rules! impl_has_list_links {
     ($(impl$(<$($implarg:ident),*>)?
        HasListLinks$(<$id:tt>)?
-       for $self:ident $(<$($selfarg:ty),*>)?
+       for $self:ty
        { self$(.$field:ident)* }
     )*) => {$(
         // SAFETY: The implementation of `raw_get_list_links` only compiles if the field has the
@@ -51,9 +51,7 @@  macro_rules! impl_has_list_links {
         //
         // The behavior of `raw_get_list_links` is not changed since the `addr_of_mut!` macro is
         // equivalent to the pointer offset operation in the trait definition.
-        unsafe impl$(<$($implarg),*>)? $crate::list::HasListLinks$(<$id>)? for
-            $self $(<$($selfarg),*>)?
-        {
+        unsafe impl$(<$($implarg),*>)? $crate::list::HasListLinks$(<$id>)? for $self {
             const OFFSET: usize = ::core::mem::offset_of!(Self, $($field).*) as usize;
 
             #[inline]
@@ -85,18 +83,14 @@  pub unsafe trait HasSelfPtr<T: ?Sized, const ID: u64 = 0>
 macro_rules! impl_has_list_links_self_ptr {
     ($(impl$({$($implarg:tt)*})?
        HasSelfPtr<$item_type:ty $(, $id:tt)?>
-       for $self:ident $(<$($selfarg:ty),*>)?
+       for $self:ty
        { self.$field:ident }
     )*) => {$(
         // SAFETY: The implementation of `raw_get_list_links` only compiles if the field has the
         // right type.
-        unsafe impl$(<$($implarg)*>)? $crate::list::HasSelfPtr<$item_type $(, $id)?> for
-            $self $(<$($selfarg),*>)?
-        {}
+        unsafe impl$(<$($implarg)*>)? $crate::list::HasSelfPtr<$item_type $(, $id)?> for $self {}
 
-        unsafe impl$(<$($implarg)*>)? $crate::list::HasListLinks$(<$id>)? for
-            $self $(<$($selfarg),*>)?
-        {
+        unsafe impl$(<$($implarg)*>)? $crate::list::HasListLinks$(<$id>)? for $self {
             const OFFSET: usize = ::core::mem::offset_of!(Self, $field) as usize;
 
             #[inline]