From a12943ccab6b39dda5cf8561efb10eeec856f13e Mon Sep 17 00:00:00 2001
From: mickeyl <mickeyl>
Date: Fri, 05 Mar 2004 21:39:40 +0000
Subject: change copyright notice

---
(limited to 'noncore/net/wellenreiter/gui/wellenreiter.cpp')

diff --git a/noncore/net/wellenreiter/gui/wellenreiter.cpp b/noncore/net/wellenreiter/gui/wellenreiter.cpp
index db68e5b..67e3940 100644
--- a/noncore/net/wellenreiter/gui/wellenreiter.cpp
+++ b/noncore/net/wellenreiter/gui/wellenreiter.cpp
@@ -512,7 +512,15 @@ void Wellenreiter::startClicked()
 
     // TODO: check if interface is wireless and support sniffing for non-wireless interfaces
 
+    if ( !net->isPresent( interface ) )
+    {
+        QMessageBox::information( this, "Wellenreiter II",
+                                  tr( "The configured device (%1)\nis not available on this system\n. Please reconfigure!" ).arg( interface ) );
+        return;
+    }
+
     iface = static_cast<OWirelessNetworkInterface*>(net->interface( interface )); // fails if network is not wireless!
+    assert( iface );
 
     // bring device UP
     if ( cardtype != DEVTYPE_FILE )
--
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