Subject: Re: [PATCH] can: fix SJA1000 dlc for RTR packets

From: Marc Kleine-Budde <[email-masked]>
Date: Mon, 02 May 2011 17:15:41 +0200

On 05/02/2011 04:50 PM, Kurt Van Dijck wrote:
> RTR frames do have a valid data length code on CAN.
> The driver for SJA1000 did not handle that situation properly.

Looks good!
> 
> Signed-off-by: Kurt Van Dijck <kurt.van.dijck-/[email-masked]>
Acked-by: Marc Kleine-Budde <[email-masked]>
> ---
>  drivers/net/can/sja1000/sja1000.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
> index a358ea9..f501bba 100644
> --- a/drivers/net/can/sja1000/sja1000.c
> +++ b/drivers/net/can/sja1000/sja1000.c
> @@ -346,10 +346,10 @@ static void sja1000_rx(struct net_device *dev)
>  		    | (priv->read_reg(priv, REG_ID2) >> 5);
>  	}
>  
> +	cf->can_dlc = get_can_dlc(fi & 0x0F);
>  	if (fi & FI_RTR) {
>  		id |= CAN_RTR_FLAG;
>  	} else {
> -		cf->can_dlc = get_can_dlc(fi & 0x0F);
>  		for (i = 0; i < cf->can_dlc; i++)
>  			cf->data[i] = priv->read_reg(priv, dreg++);
>  	}
> _______________________________________________
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