[NaCl SDK] Fix bug in TCPNode::Connect

native_client_sdk/src/libraries/nacl_io/socket/tcp_node.cc

 // Copyright 2013 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 "nacl_io/ossocket.h"
 #ifdef PROVIDES_SOCKET_API
 
 #include <assert.h>
 #include <errno.h>
 #include <string.h>
@@ skipping 462 matching lines @@
   Error err = wait.WaitOnEvent(POLLOUT, ms);
   if (ETIMEDOUT == err)
     return EINPROGRESS;
 
   // If we fail, release the dest addr resource
   if (err != 0) {
     ConnectFailed_Locked();
     return err;
   }
 
+  // Make sure the connection succeeded.
+  if (last_errno_ != 0) {
+    ConnectFailed_Locked();
+    return last_errno_;
+  }
+
   ConnectDone_Locked();
   return 0;
 }
 
 Error TcpNode::Shutdown(int how) {
   AUTO_LOCK(node_lock_);
   if (!IsConnected())
     return ENOTCONN;
 
   {
@@ skipping 63 matching lines @@
   assert(emitter_.get());
   if (emitter_->GetError_Locked())
     return EPIPE;
   *out_len = emitter_->WriteOut_Locked((char*)buf, len);
   return 0;
 }
 
 }  // namespace nacl_io
 
 #endif  // PROVIDES_SOCKET_API