From 220a1cf437901c3f73c9597fa9255ffa45868055 Mon Sep 17 00:00:00 2001
From: Marten Richter <marten.richter@freenet.de>
Date: Sat, 3 Nov 2012 08:22:05 +0100
Subject: [PATCH] Fix segfault in boxstack.cc
---
boxstack.cc | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/boxstack.cc b/boxstack.cc
index beb8280..5330003 100644
--- a/boxstack.cc
+++ b/boxstack.cc
@@ -281,6 +281,16 @@ void BoxStack::update(Boxx* toUpdate, Region* regionToUpdate)
toUpdate = boxes[0];
}
+ if (!toUpdate) {
+#ifndef WIN32
+ pthread_mutex_unlock(&boxLock);
+#else
+ ReleaseMutex(boxLock);
+#endif
+ Log::getInstance()->log("BoxStack", Log::DEBUG, "Unlocked for update, no box present");
+ return ;
+ }
+
// get the region for the whole box, could be less than that
// for smaller updates
--
2.39.5