From 1d9050dbe3c97c644453632081c15ccd58886bce Mon Sep 17 00:00:00 2001
From: Wei Liu <liuwe@microsoft.com>
Date: Wed, 16 Nov 2022 17:14:33 +0000
Subject: [PATCH] acpi_tables: add a safety comment for the write function

Signed-off-by: Wei Liu <liuwe@microsoft.com>
---
 acpi_tables/src/sdt.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/acpi_tables/src/sdt.rs b/acpi_tables/src/sdt.rs
index 1e80a4aee..7efbf95c3 100644
--- a/acpi_tables/src/sdt.rs
+++ b/acpi_tables/src/sdt.rs
@@ -98,6 +98,7 @@ impl Sdt {
     /// Write a value at the given offset
     pub fn write<T>(&mut self, offset: usize, value: T) {
         assert!((offset + (std::mem::size_of::<T>() - 1)) < self.data.len());
+        // SAFETY: The assertion above makes sure we don't do out of bounds write.
         unsafe {
             *(((self.data.as_mut_ptr() as usize) + offset) as *mut T) = value;
         }