--- kdebase-3.5.10/kcontrol/input/logitechmouse.cpp~	2006-05-22 22:12:31 +0400
+++ kdebase-3.5.10/kcontrol/input/logitechmouse.cpp	2008-09-30 20:48:44 +0400
@@ -115,7 +115,8 @@ LogitechMouse::LogitechMouse( struct usb
 
 LogitechMouse::~LogitechMouse()
 {
-    usb_close( m_usbDeviceHandle );
+    if ( m_usbDeviceHandle )
+	usb_close( m_usbDeviceHandle );
 }
 
 void LogitechMouse::initCordlessStatusReporting()