From bad5252ee3e01a5572f53744d31a9ed1b488927f Mon Sep 17 00:00:00 2001
From: Nicholas Hastings <nshastings@gmail.com>
Date: Thu, 19 Jun 2014 00:33:54 -0400
Subject: [PATCH] Add early-exit in entity output detour if entity has no
 classname.

---
 extensions/sdktools/output.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/extensions/sdktools/output.cpp b/extensions/sdktools/output.cpp
index 08075610..31d6caa0 100644
--- a/extensions/sdktools/output.cpp
+++ b/extensions/sdktools/output.cpp
@@ -116,8 +116,12 @@ void EntityOutputManager::FireEventDetour(void *pOutput, CBaseEntity *pActivator
 	if ((fastLookup = EntityOutputs->Retrieve(sOutput, (void **)&pOutputName)) == false)
 	{
 		const char *classname = GetEntityClassname(pCaller);
-		const char *outputname = FindOutputName(pOutput, pCaller);
-		
+		if (!classname)
+		{
+			return;
+		}
+
+		const char *outputname = FindOutputName(pOutput, pCaller);		
 		if (!outputname)
 		{
 			return;