can: c_can: Always update error stats

If the allocation of the error skb fails, we still want to see the
error statistics.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 9ef45b0..6170e64 100644 (file)
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -378,6 +378,9 @@ static int c_can_handle_lost_msg_obj(struct net_device *dev,
        priv->write_reg(priv, C_CAN_IFACE(MSGCTRL_REG, iface), ctrl);
        c_can_object_put(dev, iface, objno, IF_COMM_CONTROL);
 
+       stats->rx_errors++;
+       stats->rx_over_errors++;
+
        /* create an error msg */
        skb = alloc_can_err_skb(dev, &frame);
        if (unlikely(!skb))
@@ -385,8 +388,6 @@ static int c_can_handle_lost_msg_obj(struct net_device *dev,
 
        frame->can_id |= CAN_ERR_CRTL;
        frame->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
-       stats->rx_errors++;
-       stats->rx_over_errors++;
 
        netif_receive_skb(skb);
        return 1;
@@ -996,6 +997,10 @@ static int c_can_handle_bus_err(struct net_device *dev,
        if (!(priv->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING))
                return 0;
 
+       /* common for all type of bus errors */
+       priv->can.can_stats.bus_error++;
+       stats->rx_errors++;
+
        /* propagate the error condition to the CAN stack */
        skb = alloc_can_err_skb(dev, &cf);
        if (unlikely(!skb))
@@ -1005,10 +1010,6 @@ static int c_can_handle_bus_err(struct net_device *dev,
         * check for 'last error code' which tells us the
         * type of the last error to occur on the CAN bus
         */
-
-       /* common for all type of bus errors */
-       priv->can.can_stats.bus_error++;
-       stats->rx_errors++;
        cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;
        cf->data[2] |= CAN_ERR_PROT_UNSPEC;