Commit f04eee40 authored Nov 20, 2018 by Xue Chaojing Committed by Greg Kroah-Hartman Dec 13, 2019

net-next/hinic: fix a bug in rx data flow



[ Upstream commit b1a200484143a727ce293e0f200a543cc7584152 ]

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>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 25c74823

drivers/net/ethernet/huawei/hinic/hinic_rx.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -207,9 +207,9 @@ 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;
		}