netdev - Re: [PATCH net-next] cxgb4: Fix issue while re-registering VF mgmt netdev

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Date:   Tue, 23 Aug 2016 17:08:29 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     hariprasad@...lsio.com
Cc:     netdev@...r.kernel.org, nirranjan@...lsioc.com
Subject: Re: [PATCH net-next] cxgb4: Fix issue while re-registering VF mgmt
 netdev

From: Hariprasad Shenai <hariprasad@...lsio.com>
Date: Tue, 23 Aug 2016 11:35:32 +0530

> When we disable SRIOV, we used to unregister the netdev but wasn't
> freed. But next time when the same netdev is registered, since the state
> was in 'NETREG_UNREGISTERED', we used to hit BUG_ON in register_netdevice,
> where it expects the state to be 'NETREG_UNINITIALIZED'.
> 
> Alloc netdev and register them while configuring SRIOV, and free them
> when SRIOV is disabled. Also added a new function to setup ethernet
> properties instead of using ether_setup. Set carrier off by default,
> since we don't have to do any transmit on the interface.
> 
> Fixes: 7829451c695e ("cxgb4: Add control net_device for configuring PCIe VF")
> 
> Signed-off-by: Hariprasad Shenai <hariprasad@...lsio.com>

Applied.