DevTools: Fixed crash in tethering

content/browser/devtools/tethering_handler.cc

 // Copyright (c) 2012 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 "content/browser/devtools/tethering_handler.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/stl_util.h"
 #include "base/values.h"
@@ skipping 92 matching lines @@
     accepted_socket_->Send(buffer_->data(), result);
     result = client_socket_->Read(
         buffer_.get(),
         kBufferSize,
         base::Bind(&SocketPump::OnClientRead, base::Unretained(this)));
     if (result != net::ERR_IO_PENDING)
       OnClientRead(result);
   }
 
   void OnClientWrite(int result) {
-    if (result < 0)
+    if (result < 0) {
       SelfDestruct();
+      return;
+    }
 
     wire_buffer_->set_offset(wire_buffer_->offset() + result);
 
     int remaining = wire_buffer_size_ - wire_buffer_->offset();
     if (remaining == 0) {
       if (pending_destruction_)
         SelfDestruct();
       return;
     }
 
@@ skipping 173 matching lines @@
   BoundSockets::iterator it = bound_sockets_.find(port);
   if (it == bound_sockets_.end())
     return command->InternalErrorResponse("Port is not bound");
 
   delete it->second;
   bound_sockets_.erase(it);
   return command->SuccessResponse(NULL);
 }
 
 }  // namespace content