Addressing reviewer feedback.

Author: ashgti

lldb/tools/lldb-dap/DAPLog.cpp

@@ -22,7 +22,6 @@ void Log::Emit(StringRef message) { Emit(message, "", 0); }
 
 void Log::Emit(StringRef message, StringRef file, size_t line) {
   std::lock_guard<Log::Mutex> lock(m_mutex);
-  std::lock_guard<std::mutex> lock(m_mutex);
   const llvm::sys::TimePoint<> time = std::chrono::system_clock::now();
   m_stream << formatv("[{0:%H:%M:%S.%L}]", time) << " ";
   if (!file.empty())

lldb/tools/lldb-dap/tool/lldb-dap.cpp

@@ -409,7 +409,7 @@ validateConnection(llvm::StringRef conn) {
 }
 
 static llvm::Error serveConnection(
-    const Socket::SocketProtocol &protocol, const std::string &name, Log &log,
+    const Socket::SocketProtocol &protocol, llvm::StringRef name, Log &log,
     const ReplMode default_repl_mode,
     const std::vector<std::string> &pre_init_commands, bool no_lldbinit,
     std::optional<std::chrono::seconds> connection_timeout_seconds) {