From ec037bfd1a6d1725fdfcf7fe9badfcffcac79a8e Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@zdoom.fake>
Date: Mon, 2 May 2016 19:47:27 +0200
Subject: [PATCH] - fixed: The check for one-way portals in the renderer was
 incomplete.

---
 src/gl/scene/gl_walls.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gl/scene/gl_walls.cpp b/src/gl/scene/gl_walls.cpp
index e337f1873..ae7cb70c8 100644
--- a/src/gl/scene/gl_walls.cpp
+++ b/src/gl/scene/gl_walls.cpp
@@ -217,7 +217,7 @@ void GLWall::PutPortal(int ptype)
 		if (!portal)
 		{
 			line_t *otherside = lineportal->lines[0]->mDestination;
-			if (otherside != NULL)
+			if (otherside != NULL && otherside->portalindex < linePortals.Size())
 			{
 				gl_RenderActorsInPortal(linePortalToGL[otherside->portalindex]);
 			}