1 files changed, 1 insertions, 1 deletions

diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index 73b543b..f0094c7 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -87,49 +87,49 @@ void ONetwork::synchronize()
     QTextStream s( &f );
     s.readLine();
     s.readLine();
     while ( !s.atEnd() )
     {
         s >> str;
         str.truncate( str.find( ':' ) );
         qDebug( "ONetwork: found interface '%s'", (const char*) str );
         ONetworkInterface* iface;
         if ( isWirelessInterface( str ) )
         {
             iface = new OWirelessNetworkInterface( this, (const char*) str );
             qDebug( "ONetwork: interface '%s' has Wireless Extensions", (const char*) str );
         }
         else
         {
             iface = new ONetworkInterface( this, (const char*) str );
         }
         _interfaces.insert( str, iface );
         s.readLine();
     }
 }
 
 
-ONetworkInterface* ONetwork::interface( QString iface ) const
+ONetworkInterface* ONetwork::interface( const QString& iface ) const
 {
     return _interfaces[iface];
 }
 
 
 ONetwork* ONetwork::instance()
 {
     if ( !_instance ) _instance = new ONetwork();
     return _instance;
 }
 
 
 ONetwork::InterfaceIterator ONetwork::iterator() const
 {
     return ONetwork::InterfaceIterator( _interfaces );
 }
 
 
 bool ONetwork::isWirelessInterface( const char* name ) const
 {
     int sfd = socket( AF_INET, SOCK_STREAM, 0 );
     struct iwreq iwr;
     memset( &iwr, 0, sizeof( struct iwreq ) );
     strcpy( (char*) &iwr.ifr_name, name );