]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
rust: list: simplify macro capture
authorTamir Duberstein <tamird@gmail.com>
Wed, 9 Jul 2025 19:31:11 +0000 (15:31 -0400)
committerMiguel Ojeda <ojeda@kernel.org>
Sat, 19 Jul 2025 21:18:18 +0000 (23:18 +0200)
Avoid manually capturing generics; use `ty` to capture the whole type
instead.

Reviewed-by: Christian Schrefl <chrisi.schrefl@gmail.com>
Tested-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Link: https://lore.kernel.org/r/20250709-list-no-offset-v4-1-a429e75840a9@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
rust/kernel/list/impl_list_item_mod.rs

index 3f6c30e14904f75160ba2def5cdfc55bc2a24de7..5eacc4009c1ce3550994298f10a43db43b71a62f 100644 (file)
@@ -43,7 +43,7 @@ pub unsafe trait HasListLinks<const ID: u64 = 0> {
 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 @@ where
 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]