3 files changed, 11 insertions, 0 deletions
diff --git a/src/corelib/io/qloggingcategory.cpp b/src/corelib/io/qloggingcategory.cpp
index 168087659f..f37b9575aa 100644
--- a/src/corelib/io/qloggingcategory.cpp
+++ b/src/corelib/io/qloggingcategory.cpp
@@ -274,6 +274,14 @@ void QLoggingCategory::setEnabled(QtMsgType type, bool enable)
  */
 
 /*!
+    \fn const QLoggingCategory &QLoggingCategory::operator()() const
+
+    Returns the object itself. This allows both a QLoggingCategory variable, and
+    a factory method returning a QLoggingCategory, to be used in \l qCDebug(),
+    \l qCWarning(), \l qCCritical() macros.
+ */
+
+/*!
     Returns a pointer to the global category \c "default" that
     is used e.g. by qDebug(), qWarning(), qCritical(), qFatal().
 
diff --git a/src/corelib/io/qloggingcategory.h b/src/corelib/io/qloggingcategory.h
index 7af3af9a24..4aec8e63bf 100644
--- a/src/corelib/io/qloggingcategory.h
+++ b/src/corelib/io/qloggingcategory.h
@@ -65,6 +65,7 @@ public:
 
     // allows usage of both factory method and variable in qCX macros
     QLoggingCategory &operator()() { return *this; }
+    const QLoggingCategory &operator()() const { return *this; }
 
     static QLoggingCategory *defaultCategory();
 
diff --git a/tests/auto/corelib/io/qloggingcategory/tst_qloggingcategory.cpp b/tests/auto/corelib/io/qloggingcategory/tst_qloggingcategory.cpp
index 47a5d6044e..b0d7a76f0f 100644
--- a/tests/auto/corelib/io/qloggingcategory/tst_qloggingcategory.cpp
+++ b/tests/auto/corelib/io/qloggingcategory/tst_qloggingcategory.cpp
@@ -428,6 +428,8 @@ private slots:
         QCOMPARE(logMessage, QString());
         qCDebug(TST_LOG, "Check debug with no filter active");
         QCOMPARE(logMessage, QString());
+        qCDebug(TST_LOG(), "Check debug with no filter active");
+        QCOMPARE(logMessage, QString());
         buf = QStringLiteral("tst.log.warning: Check warning with no filter active");
         qCWarning(TST_LOG) << "Check warning with no filter active";
         QCOMPARE(logMessage, buf);