From 10c66905613b91e6b3cf1fd3f8455a8ed8e243a4 Mon Sep 17 00:00:00 2001
From: Xiaohong Bao <bao@lindenlab.com>
Date: Tue, 29 Dec 2009 17:42:54 -0700
Subject: fix for EXT-3553: unknown Crash.

---
 indra/newview/lltexturecache.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'indra/newview/lltexturecache.cpp')

diff --git a/indra/newview/lltexturecache.cpp b/indra/newview/lltexturecache.cpp
index 845e71378a..051c189013 100644
--- a/indra/newview/lltexturecache.cpp
+++ b/indra/newview/lltexturecache.cpp
@@ -934,6 +934,8 @@ void LLTextureCache::setDirNames(ELLPath location)
 
 void LLTextureCache::purgeCache(ELLPath location)
 {
+	LLMutexLock lock(&mHeaderMutex);
+
 	if (!mReadOnly)
 	{
 		setDirNames(location);
-- 
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