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hinic: fix potential resource leak 

In rx_request_irq(), it will just return what irq_set_affinity_hint()
returns. If it is failed, the napi and irq requested are not freed
properly. So add exits for failures to handle these.

Signed-off-by: Wei Li <liwei391@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Li 2020-09-17 20:29:50 +08:00 committed by David S. Miller
parent 0dfdbc7440
commit ce000c61b0
1 changed files with 14 additions and 7 deletions
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21
drivers/net/ethernet/huawei/hinic/hinic_rx.c
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@ -543,18 +543,25 @@ static int rx_request_irq(struct hinic_rxq *rxq)
if (err) {
netif_err(nic_dev, drv, rxq->netdev,
"Failed to set RX interrupt coalescing attribute\n");
rx_del_napi(rxq);
return err;
goto err_req_irq;
}
err = request_irq(rq->irq, rx_irq, 0, rxq->irq_name, rxq);
if (err) {
rx_del_napi(rxq);
return err;
}
if (err)
goto err_req_irq;
cpumask_set_cpu(qp->q_id % num_online_cpus(), &rq->affinity_mask);
return irq_set_affinity_hint(rq->irq, &rq->affinity_mask);
err = irq_set_affinity_hint(rq->irq, &rq->affinity_mask);
if (err)
goto err_irq_affinity;
return 0;
err_irq_affinity:
free_irq(rq->irq, rxq);
err_req_irq:
rx_del_napi(rxq);
return err;
}
static void rx_free_irq(struct hinic_rxq *rxq)