netdev - Re: [PATCH net-2.6] bnx2: Fix hang during rmmod bnx2.

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Message-Id: <20100602.022727.267973204.davem@davemloft.net>
Date:	Wed, 02 Jun 2010 02:27:27 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mchan@...adcom.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-2.6] bnx2: Fix hang during rmmod bnx2.

From: "Michael Chan" <mchan@...adcom.com>
Date: Tue, 1 Jun 2010 18:05:36 -0700

> The regression is caused by:
> 
> commit 4327ba435a56ada13eedf3eb332e583c7a0586a9
>     bnx2: Fix netpoll crash.
> 
> If ->open() and ->close() are called multiple times, the same napi structs
> will be added to dev->napi_list multiple times, corrupting the dev->napi_list.
> This causes free_netdev() to hang during rmmod.
> 
> We fix this by calling netif_napi_del() during ->close().
> 
> Also, bnx2_init_napi() must not be in the __devinit section since it is
> called by ->open().
> 
> Signed-off-by: Michael Chan <mchan@...adcom.com>
> Signed-off-by: Benjamin Li <benli@...adcom.com>

Applied, thanks!
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