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Message-ID: <20150111201519.GC8855@linux>
Date: Sun, 11 Jan 2015 15:15:19 -0500
From: "Ahmed S. Darwish" <darwish.07@...il.com>
To: Olivier Sobrie <olivier@...rie.be>,
Oliver Hartkopp <socketcan@...tkopp.net>,
Wolfgang Grandegger <wg@...ndegger.com>,
Marc Kleine-Budde <mkl@...gutronix.de>
Cc: "David S. Miller" <davem@...emloft.net>,
Paul Gortmaker <paul.gortmaker@...driver.com>,
Linux-CAN <linux-can@...r.kernel.org>,
netdev <netdev@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH v4 2/4] can: kvaser_usb: Update error counters before exiting
on OOM
From: Ahmed S. Darwish <ahmed.darwish@...eo.com>
Let the error counters be more accurate in case of Out of
Memory conditions.
Suggested-by: Marc Kleine-Budde <mkl@...gutronix.de>
Signed-off-by: Ahmed S. Darwish <ahmed.darwish@...eo.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
--
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