netdev - Re: [PATCH v2 2/2] vlan: updates vlan real_num_tx

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Date:	Wed, 24 Mar 2010 07:44:07 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org, gospo@...hat.com,
	Vasu Dev <vasu.dev@...el.com>
Subject: Re: [PATCH v2 2/2] vlan: updates vlan real_num_tx_queues

Le mardi 23 mars 2010 à 17:42 -0700, Jeff Kirsher a écrit :
> From: Vasu Dev <vasu.dev@...el.com>
> 
> Updates real_num_tx_queues in case underlying real device
> has changed real_num_tx_queues.
> 
> -v2
>  As per Eric Dumazet<eric.dumazet@...il.com> comment:-
>    -- adds BUG_ON to catch case of real_num_tx_queues exceeding num_tx_queues.
>    -- created this self contained patch to just update real_num_tx_queues.
> 
> Signed-off-by: Vasu Dev <vasu.dev@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
> ---
> 

Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Thanks Jeff  and Vasu :)

>  net/8021q/vlan.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
> index 4535122..db783d7 100644
> --- a/net/8021q/vlan.c
> +++ b/net/8021q/vlan.c
> @@ -378,6 +378,8 @@ static void vlan_transfer_features(struct net_device *dev,
>  #if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
>  	vlandev->fcoe_ddp_xid = dev->fcoe_ddp_xid;
>  #endif
> +	vlandev->real_num_tx_queues = dev->real_num_tx_queues;
> +	BUG_ON(vlandev->real_num_tx_queues > vlandev->num_tx_queues);
>  
>  	if (old_features != vlandev->features)
>  		netdev_features_change(vlandev);
> 


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