[PATCH v4 2/4] can: kvaser_usb: Update error counters before exiting on OOM

Ahmed S. Darwish
2015-01-11T20:15:27Z

From: Ahmed S. Darwish <ahmed.darwish@valeo.com>

Let the error counters be more accurate in case of Out of
Memory conditions.

Suggested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Ahmed S. Darwish <ahmed.darwish@valeo.com>
---
drivers/net/can/usb/kvaser_usb.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
index c32cd61..0eb870b 100644
--- a/drivers/net/can/usb/kvaser_usb.c
+++ b/drivers/net/can/usb/kvaser_usb.c
@@ -792,6 +792,9 @@ static void kvaser_usb_rx_can_err(const struct kvaser_usb_net_priv *priv,
}

if (msg->u.rx_can.flag & MSG_FLAG_OVERRUN) {
+ stats->rx_over_errors++;
+ stats->rx_errors++;
+
skb = alloc_can_err_skb(priv->netdev, &cf);
if (!skb) {
stats->rx_dropped++;
@@ -801,9 +804,6 @@ static void kvaser_usb_rx_can_err(const struct kvaser_usb_net_priv *priv,
cf->can_id |= CAN_ERR_CRTL;
cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;

- stats->rx_over_errors++;
- stats->rx_errors++;
-
stats->rx_packets++;
stats->rx_bytes += cf->can_dlc;
netif_rx(skb);
--
1.9.1