From e081ee4b8e9a5dca20f960b917a7d9f621d06b65 Mon Sep 17 00:00:00 2001
From: Connor McLaughlin <stenzek@gmail.com>
Date: Thu, 29 Oct 2020 22:04:52 +1000
Subject: [PATCH] CDROM: Return error to guest instead of panicing for unknown
 commands

---
 src/core/cdrom.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/core/cdrom.cpp b/src/core/cdrom.cpp
index 1e2d765c6..d661bdce5 100644
--- a/src/core/cdrom.cpp
+++ b/src/core/cdrom.cpp
@@ -1250,7 +1250,8 @@ void CDROM::ExecuteCommand()
     {
       Log_ErrorPrintf("Unknown CDROM command 0x%04X with %u parameters, please report", static_cast<u16>(m_command),
                       m_param_fifo.GetSize());
-      Panic("Unknown CDROM command");
+      SendErrorResponse(STAT_ERROR, ERROR_REASON_INVALID_COMMAND);
+      EndCommand();
     }
     break;
   }
@@ -1329,7 +1330,8 @@ void CDROM::ExecuteTestCommand(u8 subcommand)
     default:
     {
       Log_ErrorPrintf("Unknown test command 0x%02X, %u parameters", subcommand, m_param_fifo.GetSize());
-      Panic("Unknown test command");
+      SendErrorResponse(STAT_ERROR, ERROR_REASON_INVALID_COMMAND);
+      EndCommand();
       return;
     }
   }