Make Mapper trait object safe by adding Self: Sized bounds on gener…

…ic functions
rust-osdev · Dec 10, 2019 · ae11c57 · ae11c57
1 parent 037d9b8
commit ae11c57
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/structures/paging/mapper/mod.rs b/src/structures/paging/mapper/mod.rs
@@ -92,6 +92,7 @@ pub trait Mapper<S: PageSize> {
         frame_allocator: &mut A,
     ) -> Result<MapperFlush<S>, MapToError>
     where
+        Self: Sized,
         A: FrameAllocator<Size4KiB>;
 
     /// Removes a mapping from the page table and returns the frame that used to be mapped.
@@ -123,6 +124,7 @@ pub trait Mapper<S: PageSize> {
         frame_allocator: &mut A,
     ) -> Result<MapperFlush<S>, MapToError>
     where
+        Self: Sized,
         A: FrameAllocator<Size4KiB>,
         S: PageSize,
         Self: Mapper<S>,
@@ -203,3 +205,5 @@ pub enum TranslateError {
     /// The page table entry for the given page points to an invalid physical address.
     InvalidFrameAddress(PhysAddr),
 }
+
+static _ASSERT_OBJECT_SAFE: Option<&(dyn MapperAllSizes + Sync)> = None;