From ef7d27233e8338239e80664fb47fb5c691f07c29 Mon Sep 17 00:00:00 2001
From: teoxoy <28601907+teoxoy@users.noreply.github.com>
Date: Tue, 2 Jul 2024 20:42:41 +0200
Subject: [PATCH] use a `read` guard instead of `write`

---
 wgpu-core/src/device/global.rs | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/wgpu-core/src/device/global.rs b/wgpu-core/src/device/global.rs
index 0d4cc4fe91..91fb0b421c 100644
--- a/wgpu-core/src/device/global.rs
+++ b/wgpu-core/src/device/global.rs
@@ -259,12 +259,9 @@ impl Global {
     ) -> Result<(), WaitIdleError> {
         let hub = A::hub(self);
 
-        let last_submission = {
-            let buffer_guard = hub.buffers.write();
-            match buffer_guard.get(buffer_id) {
-                Ok(buffer) => buffer.submission_index(),
-                Err(_) => return Ok(()),
-            }
+        let last_submission = match hub.buffers.read().get(buffer_id) {
+            Ok(buffer) => buffer.submission_index(),
+            Err(_) => return Ok(()),
         };
 
         hub.devices