From 8455b5a833442d5836d2329c605534a4fca284f9 Mon Sep 17 00:00:00 2001
From: Zack Middleton <zturtleman@gmail.com>
Date: Sat, 15 Mar 2014 17:53:42 -0500
Subject: [PATCH] Don't crash when fail to create SDL window

---
 code/sdl/sdl_glimp.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/code/sdl/sdl_glimp.c b/code/sdl/sdl_glimp.c
index cd9581bf..0785ad0c 100644
--- a/code/sdl/sdl_glimp.c
+++ b/code/sdl/sdl_glimp.c
@@ -462,6 +462,12 @@ static int GLimp_SetMode(int mode, qboolean fullscreen, qboolean noborder)
 
 	SDL_FreeSurface( icon );
 
+	if( !SDL_window )
+	{
+		ri.Printf( PRINT_ALL, "Couldn't get a visual\n" );
+		return RSERR_INVALID_MODE;
+	}
+
 	GLimp_DetectAvailableModes();
 
 	glstring = (char *) qglGetString (GL_RENDERER);