From 932b333fa2644ef5e538f97b53063ae1cbe2befc Mon Sep 17 00:00:00 2001
From: Murai Takashi <tmurai01@gmail.com>
Date: Mon, 29 Jul 2013 20:05:43 +0900
Subject: [PATCH] Fix called C++ object pointer is null

Signed-off-by: Adrien Destugues <pulkomandy@gmail.com>

Fixes #9904.
---
 src/add-ons/screen_savers/spider/SpiderSaver.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/add-ons/screen_savers/spider/SpiderSaver.cpp b/src/add-ons/screen_savers/spider/SpiderSaver.cpp
index f5e20f9228..7a78faf7da 100644
--- a/src/add-ons/screen_savers/spider/SpiderSaver.cpp
+++ b/src/add-ons/screen_savers/spider/SpiderSaver.cpp
@@ -294,6 +294,10 @@ SpiderSaver::_DrawInto(BView *view)
 				view->SetHighColor(2, 1, 1, 255);
 				break;
 		}
+
+		if (fQueues[i] == NULL)
+			continue;
+
 		if (Polygon* p = fQueues[i]->Head()) {
 			view->SetDrawingMode(B_OP_ADD);
 			_DrawPolygon(p, view);