From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755524AbZIBBT7 (ORCPT ); Tue, 1 Sep 2009 21:19:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755498AbZIBBT7 (ORCPT ); Tue, 1 Sep 2009 21:19:59 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:43265 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755493AbZIBBT6 (ORCPT ); Tue, 1 Sep 2009 21:19:58 -0400 Date: Tue, 01 Sep 2009 18:20:13 -0700 (PDT) Message-Id: <20090901.182013.173315496.davem@davemloft.net> To: xiaoguangrong@cn.fujitsu.com Cc: nhorman@tuxdriver.com, yjwei@cn.fujitsu.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH resend] drop_monitor: fix trace_napi_poll_hit() From: David Miller In-Reply-To: <4A9B6963.5090207@cn.fujitsu.com> References: <4A9B6963.5090207@cn.fujitsu.com> X-Mailer: Mew version 6.2.51 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Xiao Guangrong Date: Mon, 31 Aug 2009 14:10:43 +0800 > The net_dev of backlog napi is NULL, like below: > > __get_cpu_var(softnet_data).backlog.dev == NULL > > So, we should check it in napi tracepoint's probe function > > Acked-by: Neil Horman > Signed-off-by: Xiao Guangrong Applied to net-next-2.6, thanks.