From 0f22dfa634a29880b2eb16cc8054939b7c47b8c0 Mon Sep 17 00:00:00 2001
From: Jelle Raaijmakers <jelle@gmta.nl>
Date: Tue, 25 Apr 2023 15:01:00 +0200
Subject: [PATCH] LibAudio: Make `WavWriter` check if a file was set during
 destruction

`WavWriter` can be constructed without a file, which should probably be
made impossible at some point. For now, let's not crash `Piano` when you
close the application.
---
 Userland/Libraries/LibAudio/WavWriter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibAudio/WavWriter.cpp b/Userland/Libraries/LibAudio/WavWriter.cpp
index 896ec157197..7930c6a9ca1 100644
--- a/Userland/Libraries/LibAudio/WavWriter.cpp
+++ b/Userland/Libraries/LibAudio/WavWriter.cpp
@@ -58,7 +58,7 @@ void WavWriter::finalize()
     VERIFY(!m_finalized);
     m_finalized = true;
 
-    if (m_file->is_open()) {
+    if (m_file && m_file->is_open()) {
         auto result = [&]() -> ErrorOr<void> {
             TRY(m_file->seek(0, SeekMode::SetPosition));
             return TRY(write_header());