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

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[ Upstream commit b1a2004841 ]

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>
This commit is contained in:
Xue Chaojing 2018-11-20 05:47:34 +00:00 committed by Greg Kroah-Hartman
parent 25c748238d
commit f04eee4042
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/huawei/hinic/hinic_rx.c
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@ -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;
}