From ae11c57da9a7f9182d5d2dbd2f39babc25d18969 Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Mon, 8 Jul 2019 14:33:09 +0200
Subject: [PATCH] Make Mapper trait object safe by adding `Self: Sized` bounds
 on generic functions

---
 src/structures/paging/mapper/mod.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/structures/paging/mapper/mod.rs b/src/structures/paging/mapper/mod.rs
index a581dc870..6e4841715 100644
--- 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;