linux-kernel - Re: [PATCH resend] drop_monitor: fix trace_napi_poll

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Date:	Tue, 01 Sep 2009 18:20:13 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	xiaoguangrong@...fujitsu.com
Cc:	nhorman@...driver.com, yjwei@...fujitsu.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH resend] drop_monitor: fix trace_napi_poll_hit()

From: Xiao Guangrong <xiaoguangrong@...fujitsu.com>
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 <nhorman@...driver.com>
> Signed-off-by: Xiao Guangrong <xiaoguangrong@...fujitsu.com>

Applied to net-next-2.6, thanks.
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