Crash fix.

chrome/browser/chromeos/status/network_menu.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/status/network_menu.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/command_line.h"
 #include "base/stringprintf.h"
@@ skipping 311 matching lines @@
     }
   } else if (flags & FLAG_CELLULAR) {
     CellularNetwork* cellular = cros->FindCellularNetworkByPath(
         menu_items_[index].wireless_path);
     if (!cellular) {
       // If we are attempting to connect to a network that no longer exists,
       // display a notification.
       // TODO(stevenjb): Show notification.
     } else if (cellular->activation_state() != ACTIVATION_STATE_ACTIVATED) {
       ActivateCellular(cellular);
-    } else if (cellular->service_path() ==
-               cros->cellular_network()->service_path()) {
+    } else if (cros->cellular_network() &&
+               (cellular->service_path() ==
+                cros->cellular_network()->service_path())) {
       // Show the config settings for the cellular network.
       ShowCellular(cellular, false);
     } else {
       ConnectToNetworkAt(index, std::string(), std::string(), -1);
     }
   }
 }
 
 void NetworkMenu::SetFirstLevelMenuWidth(int width) {
   min_width_ = width;
@@ skipping 346 matching lines @@
                                       chromeos::TYPE_WIFI);
       browser->ShowOptionsTab(page);
     }
   } else {
     const bool kFocusLogin = true;
     ShowNetworkConfigView(new NetworkConfigView(), kFocusLogin);
   }
 }
 
 }  // namespace chromeos