From 0fbdab69ab368f6f5626718aba74b267e1ac95b7 Mon Sep 17 00:00:00 2001
From: Eike Ziller <eike.ziller@theqtcompany.com>
Date: Tue, 24 Feb 2015 14:39:38 +0100
Subject: [PATCH] MimeDatabase: Avoid empty filter string in allFilterStrings.

Change-Id: I975423d2b0fcde7ff6e625e9d3cdaf271dd57dec
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>
---
 src/libs/utils/mimetypes/mimedatabase.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/libs/utils/mimetypes/mimedatabase.cpp b/src/libs/utils/mimetypes/mimedatabase.cpp
index e8d12819bc2..680e180f0e3 100644
--- a/src/libs/utils/mimetypes/mimedatabase.cpp
+++ b/src/libs/utils/mimetypes/mimedatabase.cpp
@@ -323,8 +323,11 @@ QString MimeDatabase::allFiltersString(QString *allFilesFilter)
 {
     MimeDatabase mdb;
     QSet<QString> uniqueFilters;
-    foreach (const MimeType &mt, mdb.allMimeTypes())
-        uniqueFilters.insert(mt.filterString());
+    foreach (const MimeType &mt, mdb.allMimeTypes()) {
+        const QString &filterString = mt.filterString();
+        if (!filterString.isEmpty())
+            uniqueFilters.insert(mt.filterString());
+    }
     QStringList filters;
     foreach (const QString &filter, uniqueFilters)
         filters.append(filter);