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From: Oliver Hartkopp <socketcan@hartkopp.net>
To: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: kurt.van.dijck@eia.be, netdev@vger.kernel.org,
	linux-can@vger.kernel.org, Reuben.Dowle@navico.com
Subject: Re: [PATCH 2/2] flexcan: Fix CAN_RAW_RECV_OWN_MSGS and CAN_RAW_LOOPBACK
Date: Thu, 03 Nov 2011 11:03:46 +0100	[thread overview]
Message-ID: <4EB26702.60506@hartkopp.net> (raw)
In-Reply-To: <1320313675-30749-3-git-send-email-mkl@pengutronix.de>

On 03.11.2011 10:47, Marc Kleine-Budde wrote:

> @@ -609,9 +605,10 @@ static irqreturn_t flexcan_irq(int irq, void *dev_id)
>  
>  	/* transmission complete interrupt */
>  	if (reg_iflag1 & (1 << FLEXCAN_TX_BUF_ID)) {
> -		/* tx_bytes is incremented in flexcan_start_xmit */
> +		stats->tx_bytes += can_get_echo_skb(dev, 0);
>  		stats->tx_packets++;
>  		flexcan_write((1 << FLEXCAN_TX_BUF_ID), &regs->iflag1);
> +		can_get_echo_skb(dev, 0);
>  		netif_wake_queue(dev);
>  	}


What's the reason for the second can_get_echo_skb() here?

IIRC the skb is already netif_rx'ed and consumed by the first attempt.

Regards,
Oliver

  parent reply	other threads:[~2011-11-03 10:04 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-31 22:18 [PATCH] flexcan: Fix CAN_RAW_RECV_OWN_MSGS and CAN_RAW_LOOPBACK Reuben Dowle
2011-10-31 22:31 ` Marc Kleine-Budde
2011-10-31 22:43   ` Reuben Dowle
2011-10-31 22:49     ` Marc Kleine-Budde
2011-11-02  0:25   ` Reuben Dowle
2011-11-02  8:04 ` Kurt Van Dijck
2011-11-02 19:46   ` Reuben Dowle
2011-11-02 20:30     ` Oliver Hartkopp
2011-11-02 21:31       ` Reuben Dowle
2011-11-03  9:47         ` [PATCH 0/2] clean up tx_bytes accounting Marc Kleine-Budde
2011-11-03  9:47           ` [PATCH 1/2] can: dev: let can_get_echo_skb() return dlc of CAN frame Marc Kleine-Budde
2011-11-03  9:47           ` [PATCH 2/2] flexcan: Fix CAN_RAW_RECV_OWN_MSGS and CAN_RAW_LOOPBACK Marc Kleine-Budde
2011-11-03  9:59             ` Marc Kleine-Budde
2011-11-03 10:03             ` Oliver Hartkopp [this message]
2011-11-03 10:17               ` Marc Kleine-Budde
2011-11-03 10:03           ` [PATCH 0/2] clean up tx_bytes accounting Kurt Van Dijck
2011-11-03 10:42             ` Marc Kleine-Budde
2011-11-03 14:27               ` Oliver Hartkopp
2011-11-03 14:37                 ` Kurt Van Dijck
2011-11-03 15:03                   ` Marc Kleine-Budde
2011-11-03 14:54         ` [PATCH] flexcan: Fix CAN_RAW_RECV_OWN_MSGS and CAN_RAW_LOOPBACK Oliver Hartkopp

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