From e9a5b31fa83f7a261a79a810666039381553037f Mon Sep 17 00:00:00 2001
From: Rasmus Melchior Jacobsen <rmja@laesoe.org>
Date: Sat, 25 Mar 2023 17:00:52 +0100
Subject: [PATCH] Implement drop for FlashRegions

---
 embassy-stm32/src/flash/mod.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/embassy-stm32/src/flash/mod.rs b/embassy-stm32/src/flash/mod.rs
index c704909a..1294ace4 100644
--- a/embassy-stm32/src/flash/mod.rs
+++ b/embassy-stm32/src/flash/mod.rs
@@ -108,6 +108,12 @@ impl Drop for Flash<'_> {
     }
 }
 
+impl Drop for FlashRegions {
+    fn drop(&mut self) {
+        unsafe { family::lock() };
+    }
+}
+
 pub trait FlashRegion {
     const BASE: usize;
     const SIZE: usize;