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Subject[PATCH 4/4] net-next/hinic: fix a bug in rx data flow
Date
In rx_alloc_pkts(), there is a loop call of tasklet, which causes
100% cpu utilization, even no packets are being received. This patch
fixes this bug.

Signed-off-by: Xue Chaojing <xuechaojing@huawei.com>
---
drivers/net/ethernet/huawei/hinic/hinic_rx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/huawei/hinic/hinic_rx.c b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
index 93e8f207f6da..f86f2e693224 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_rx.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
@@ -229,9 +229,9 @@ static int rx_alloc_pkts(struct hinic_rxq *rxq)
wmb(); /* write all the wqes before update PI */

hinic_rq_update(rxq->rq, prod_idx);
+ tasklet_schedule(&rxq->rx_task);
}

- tasklet_schedule(&rxq->rx_task);
return i;
}

--
2.17.1
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