Add safety comment

esp-rs · Sep 4, 2024 · 1645bb5 · 1645bb5
1 parent 1c159a5
commit 1645bb5
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/esp-hal/src/clock/mod.rs b/esp-hal/src/clock/mod.rs
@@ -320,7 +320,10 @@ impl Clocks {
     }
 
     fn try_get() -> Option<&'static Clocks> {
-        unsafe { ACTIVE_CLOCKS.as_ref() }
+        unsafe {
+            // Safety: ACTIVE_CLOCKS is only set in `init` and never modified after that.
+            ACTIVE_CLOCKS.as_ref()
+        }
     }
 
     /// Get the active clock configuration.