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authorMarc Kleine-Budde <mkl@pengutronix.de>2019-10-09 15:15:07 +0200
committerMarc Kleine-Budde <mkl@pengutronix.de>2019-11-04 21:47:21 +0100
commit4e9016bee3bf0c24963097edace034ff205b565c (patch)
treeed36a2560a63cade11ee714fc4e9af50eff67561 /drivers/net/can
parenta2dc3f5e1022a5ede8af9ab89a144f1e69db8636 (diff)
can: rx-offload: can_rx_offload_offload_one(): increment rx_fifo_errors on queue overflow or OOM
If the rx-offload skb_queue is full or the skb allocation fails (due to OOM), the mailbox contents is discarded. This patch adds the incrementing of the rx_fifo_errors statistics counter. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can')
-rw-r--r--drivers/net/can/rx-offload.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/can/rx-offload.c b/drivers/net/can/rx-offload.c
index bdc27481b57f..e224530a0630 100644
--- a/drivers/net/can/rx-offload.c
+++ b/drivers/net/can/rx-offload.c
@@ -125,8 +125,10 @@ static struct sk_buff *can_rx_offload_offload_one(struct can_rx_offload *offload
ret = offload->mailbox_read(offload, &cf_overflow,
&timestamp, n);
- if (ret)
+ if (ret) {
offload->dev->stats.rx_dropped++;
+ offload->dev->stats.rx_fifo_errors++;
+ }
return NULL;
}