- Fixed a mutex lock in UPnP code

src/UPnP.cpp

@@ -1033,7 +1033,9 @@ m_UPnPPort(udpPort)
 		// Lock it again, so that we block. Unlocking will only happen
 		// when the UPNP_DISCOVERY_SEARCH_TIMEOUT event occurs at the
 		// callback.
-		QMutexLocker lock(&m_WaitForSearchTimeout);
+                searchTimeoutCondition.wait(&m_WaitForSearchTimeout);
+// 		QMutexLocker lock(&m_WaitForSearchTimeout);s
+                m_WaitForSearchTimeout.unlock();
 	}
 	return;
 
@@ -1364,7 +1366,8 @@ upnpDiscovery:
                 qDebug("UPnP: %s", msg.str().c_str());
 
 		// Unlock the search timeout mutex
-		upnpCP->m_WaitForSearchTimeout.unlock();
+// 		upnpCP->m_WaitForSearchTimeout.unlock();
+                upnpCP->searchTimeoutCondition.wakeOne();
 
 		break;
 	}

src/UPnP.h

@@ -45,6 +45,7 @@
 	extern std::string stdEmptyString;
 #endif // UPNP_C
 
+#include <QWaitCondition>
 
 /**
  * Case insensitive std::string comparison
@@ -640,6 +641,7 @@ private:
 	bool m_IGWDeviceDetected;
 	CUPnPService *m_WanService;
 	QMutex m_WaitForSearchTimeout;
+        QWaitCondition searchTimeoutCondition;
         unsigned short m_UPnPPort;
 
 public: