netdev - Re: [PATCH] ibm_newemac: emac_close() needs to call netif_carrier

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Message-Id: <20090820.022138.221328122.davem@davemloft.net>
Date:	Thu, 20 Aug 2009 02:21:38 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	pgynther@...gle.com
Cc:	benh@...nel.crashing.org, netdev@...r.kernel.org
Subject: Re: [PATCH] ibm_newemac: emac_close() needs to call
 netif_carrier_off()

From: Petri Gynther <pgynther@...gle.com>
Date: Wed, 19 Aug 2009 14:00:00 -0700 (PDT)

> When ibm_newemac netdev instance is shutdown with "ifconfig down",
> the netdev interface does not go properly down. netif_carrier_ok()
> keeps returning TRUE even after "ifconfig down".
> 
> The problem can be seen when ibm_newemac instances are slaves of
> a bonding interface. The bonding interface code uses netif_carrier_ok()
> to determine the link status of its slaves. When ibm_newemac slave is
> shutdown with "ifconfig down", the bonding interface won't detect any
> link status change because netif_carrier_ok() keeps returning TRUE.
> 
> Signed-off-by: Petri Gynther <pgynther@...gle.com>

Applied, thanks.
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