From 8ad133dbc0ca0ea726aa6aa87ffb5a05ab37ebca Mon Sep 17 00:00:00 2001
From: Stenzek <stenzek@gmail.com>
Date: Fri, 9 Aug 2024 12:32:39 +1000
Subject: [PATCH] FileSystem: Fix crash on file open fail in
 WriteAtomicRenamedFile()

---
 src/common/file_system.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/common/file_system.cpp b/src/common/file_system.cpp
index 61ed81b49..79613628e 100644
--- a/src/common/file_system.cpp
+++ b/src/common/file_system.cpp
@@ -1235,6 +1235,9 @@ bool FileSystem::WriteAtomicRenamedFile(std::string filename, const void* data,
                                         Error* error /*= nullptr*/)
 {
   AtomicRenamedFile fp = CreateAtomicRenamedFile(std::move(filename), "wb", error);
+  if (!fp)
+    return false;
+
   if (data_length > 0 && std::fwrite(data, 1u, data_length, fp.get()) != data_length) [[unlikely]]
   {
     Error::SetErrno(error, "fwrite() failed: ", errno);