netdev - Re: [PATCH] smsc911x: Fix Console Hang when bringing the interface down.

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Message-Id: <20091115.221806.262290176.davem@davemloft.net>
Date:	Sun, 15 Nov 2009 22:18:06 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	srk@...com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] smsc911x: Fix Console Hang when bringing the interface
 down.

From: Sriramakrishnan <srk@...com>
Date: Thu, 12 Nov 2009 17:44:38 +0530

> In the NAPI poll function, check for netif_running() is unnecassary.
> In addition to associated runtime overhead, it also results in
> continuous softirq loop when the interface is brought down under heavy
> traffic(tested with Traffic Generator).Once the interface is disabled,
> the poll function always returns zero(with the check for netif_running)
> and napi_complete() would never get called resulting in softirq loop.
> 
> Signed-off-by: Sriramakrishnan <srk@...com>

Applied to net-2.6
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