Revert "`#![deny(unsafe_op_in_unsafe_fn)]` in sys/hermit"

This reverts commit 7cae9e8c88e468e94c157d9aaee4b8e3cf90b9a4.

1 files changed, 8 insertions, 17 deletions

diff --git a/library/std/src/sys/hermit/alloc.rs b/library/std/src/sys/hermit/alloc.rs
index 04446172197..d153914e77e 100644
--- a/library/std/src/sys/hermit/alloc.rs
+++ b/library/std/src/sys/hermit/alloc.rs
@@ -1,5 +1,3 @@
-#![deny(unsafe_op_in_unsafe_fn)]
-
 use crate::alloc::{GlobalAlloc, Layout, System};
 use crate::ptr;
 use crate::sys::hermit::abi;
@@ -8,33 +6,26 @@ use crate::sys::hermit::abi;
 unsafe impl GlobalAlloc for System {
     #[inline]
     unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
-        // SAFETY: The safety contract for `malloc` must be upheld by the caller.
-        unsafe { abi::malloc(layout.size(), layout.align()) }
+        abi::malloc(layout.size(), layout.align())
     }
 
     unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8 {
-        // SAFETY: The safety contract for `malloc` must be upheld by the caller.
-        // Also, `addr` must be valid for writes of `layout.size() * size_of::<u8>()` bytes.
-        unsafe {
-            let addr = abi::malloc(layout.size(), layout.align());
-
-            if !addr.is_null() {
-                ptr::write_bytes(addr, 0x00, layout.size());
-            }
+        let addr = abi::malloc(layout.size(), layout.align());
 
-            addr
+        if !addr.is_null() {
+            ptr::write_bytes(addr, 0x00, layout.size());
         }
+
+        addr
     }
 
     #[inline]
     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
-        // SAFETY: The safety contract for `free` must be upheld by the caller.
-        unsafe { abi::free(ptr, layout.size(), layout.align()) }
+        abi::free(ptr, layout.size(), layout.align())
     }
 
     #[inline]
     unsafe fn realloc(&self, ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 {
-        // SAFETY: The safety contract for `realloc` must be upheld by the caller.
-        unsafe { abi::realloc(ptr, layout.size(), layout.align(), new_size) }
+        abi::realloc(ptr, layout.size(), layout.align(), new_size)
     }
 }