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Re: [PATCH] rt2x00: Fix trimming of L2 padded frames.

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On Friday 04 December 2009, Gertjan van Wingerde wrote:
> Ensure that frames without payload are properly trimmed in
> rt2x00queue_insert_l2pad.
> 
> This should fix the bug reported by Benoit Papillault in:
> http://marc.info/?l=linux-wireless&m=125974773006734&w=2
> 
> Signed-off-by: Gertjan van Wingerde <gwingerde@xxxxxxxxx>

Acked-by: Ivo van Doorn <IvDoorn@xxxxxxxxx>

> ---
>  drivers/net/wireless/rt2x00/rt2x00queue.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
> index 7452fa8..3d8fb68 100644
> --- a/drivers/net/wireless/rt2x00/rt2x00queue.c
> +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
> @@ -180,7 +180,7 @@ void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int header_length)
>  	unsigned int payload_length = skb->len - header_length;
>  	unsigned int header_align = ALIGN_SIZE(skb, 0);
>  	unsigned int payload_align = ALIGN_SIZE(skb, header_length);
> -	unsigned int l2pad = L2PAD_SIZE(header_length);
> +	unsigned int l2pad = payload_length ? L2PAD_SIZE(header_length) : 0;
>  
>  	/*
>  	 * Adjust the header alignment if the payload needs to be moved more


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