Fix filter list handling in qtpatchoperation.cpp

Fix a bug in filter handling. If no filters were given it caused all
files to be included which was not the original intention.
Added a check if no filters given then do not even try to search files
by type.

Change-Id: I2ceb83611c1c9a4a9f8bf58da0673c963dd4ae0c
Reviewed-by: Karsten Heimrich <karsten.heimrich@digia.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/src/libs/installer/qtpatchoperation.cpp b/src/libs/installer/qtpatchoperation.cpp
index c37bec8fe..0ea72c48a 100644
--- a/src/libs/installer/qtpatchoperation.cpp
+++ b/src/libs/installer/qtpatchoperation.cpp
@@ -309,10 +309,12 @@ bool QtPatchOperation::performOperation()
 #endif
 
     // get file list defined by filters and patch them
-    QStringList filteredContent = getDirContent(prefix, filters);
-    foreach (QString fileName, filteredContent) {
-        if (QFile::exists(fileName)) {
-            QtPatch::patchTextFile(fileName, searchReplacePairs);
+    if (filters.count() > 0) {
+        const QStringList filteredContent = getDirContent(prefix, filters);
+        foreach (const QString &fileName, filteredContent) {
+            if (QFile::exists(fileName)) {
+                QtPatch::patchTextFile(fileName, searchReplacePairs);
+            }
         }
     }