Only disconnect from sender if sender() is valid

1 files changed, 3 insertions, 1 deletions

diff --git a/libopie2/opiecore/device/odevice.cpp b/libopie2/opiecore/device/odevice.cpp
index ec861ee..b5ae4e5 100644
--- a/libopie2/opiecore/device/odevice.cpp
+++ b/libopie2/opiecore/device/odevice.cpp
@@ -780,7 +780,9 @@ void ODevice::remPreHandler(QWSServer::KeyboardFilter*aFilter)
  * @see changeMixerForAlarm
  */
 void ODevice::playingStopped() {
-    const_cast<QObject*>(sender())->disconnect( this );
+    if ( sender() )
+        const_cast<QObject*>(sender())->disconnect( this );
+
 #ifndef QT_NO_SOUND
     if ( d->m_sound >= 0 ) {
         ::ioctl ( d->m_sound, MIXER_WRITE( d->m_mixer ), &d->m_vol );