netdev - Re: [PATCH 1/1] net/e1000e: Avoid kernel crash during shutdown

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Date:	Tue, 13 Aug 2013 03:29:01 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Li Zhang <zhlcindy@...il.com>
Cc:	jesse.brandeburg@...el.com, davem@...emloft.net,
	netdev@...r.kernel.org, shangw@...ux.vnet.ibm.com
Subject: Re: [PATCH 1/1] net/e1000e: Avoid kernel crash during shutdown

On Tue, 2013-08-13 at 14:27 +0800, Li Zhang wrote:
> While doing shutdown on the PCI device, the corresponding callback
> function e1000e_shutdown() is trying to clear those correctable
> errors on the upstream P2P bridge. Unfortunately, we don't have
> the upstream P2P bridge under some cases (e.g. PCI-passthrou for
> KVM on Power). That leads to kernel crash eventually.
> 
> The patch adds one more check on that to avoid kernel crash.
> 
> Signed-off-by: Li Zhang <zhlcindy@...il.com>
> ---
>  drivers/net/ethernet/intel/e1000e/netdev.c | 7 +++++++
>  1 file changed, 7 insertions(+)

Thanks Li, I will add this to my queue of patches.


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