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| author | Marc Kleine-Budde <mkl@pengutronix.de> | 2019-10-09 16:15:07 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-05 00:33:36 +0300 |
| commit | 85c43d3c255cd637056d5364b2417da2e0006d66 (patch) | |
| tree | e873603baf5dce80869704bc9d937a2d42859da2 | |
| parent | 881c0d8a5822f6ef63a3b96ebbd7d4305c390ccf (diff) | |
| download | linux-85c43d3c255cd637056d5364b2417da2e0006d66.tar.xz | |
can: rx-offload: can_rx_offload_offload_one(): increment rx_fifo_errors on queue overflow or OOM
[ Upstream commit 4e9016bee3bf0c24963097edace034ff205b565c ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/net/can/rx-offload.c | 4 |
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, ×tamp, n); - if (ret) + if (ret) { offload->dev->stats.rx_dropped++; + offload->dev->stats.rx_fifo_errors++; + } return NULL; } |