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From 493677ff81e708133f87e15157c5dd5131adad48 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max.kellermann@gmail.com>
Date: Sat, 9 Jul 2022 00:53:52 +0200
Subject: [PATCH] output/PipeWire: skip Cancel() if already drained

Upstream-Status: Backport [https://github.com/MusicPlayerDaemon/MPD/commit/493677ff81e708133f87e15157c5dd5131adad48]
Signed-off-by: Scott Murray <scott.murray@konsulko.com>

---
diff --git a/src/output/plugins/PipeWireOutputPlugin.cxx b/src/output/plugins/PipeWireOutputPlugin.cxx
index ccdf5c0e4..7184edfa5 100644
--- a/src/output/plugins/PipeWireOutputPlugin.cxx
+++ b/src/output/plugins/PipeWireOutputPlugin.cxx
@@ -892,6 +892,9 @@ PipeWireOutput::Cancel() noexcept
 	const PipeWire::ThreadLoopLock lock(thread_loop);
 	interrupted = false;
 
+	if (drained)
+		return;
+
 	ring_buffer->reset();
 }
 
-- 
2.39.0