Le mardi 23 mars 2010 à 21:35 -0700, Jeff Kirsher a écrit :
quoted text
> From: Alexander Duyck <alexander.h.duyck@intel.com>
> 
> This change makes it so that vlan_gro_receive is only used if vlans have been
> registered to the adapter structure.  Previously we were just sending all vlan
> tagged frames in via this function but this results in a null pointer
> dereference when vlans are not registered.
> 

This patch fixes bugzilla entry 15582

See http://bugzilla.kernel.org/show_bug.cgi?id=15582

quoted text
> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
> ---
> 

Acked-by: Eric Dumazet <eric.dumazet@gmail.com>

quoted text
>  drivers/net/igb/igb_main.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
> index e72760c..01c65c7 100644
> --- a/drivers/net/igb/igb_main.c
> +++ b/drivers/net/igb/igb_main.c
> @@ -5102,7 +5102,7 @@ static void igb_receive_skb(struct igb_q_vector *q_vector,
>  {
>  	struct igb_adapter *adapter = q_vector->adapter;
>  
> -	if (vlan_tag)
> +	if (vlan_tag && adapter->vlgrp)
>  		vlan_gro_receive(&q_vector->napi, adapter->vlgrp,
>  		                 vlan_tag, skb);
>  	else
> 
> --



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