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net: ethernet: ti: cpsw: correct .ndo_open error path

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It's found while review and probably never happens, but real number
of queues is set per device, and error path should be per device.
So split error path based on usage_count.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ivan Khoronzhuk 2019-05-28 20:45:19 +03:00 committed by David S. Miller
parent 6faaffb3b1
commit 02caceded0
1 changed files with 5 additions and 2 deletions
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7
drivers/net/ethernet/ti/cpsw.c
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@ -1423,8 +1423,11 @@ static int cpsw_ndo_open(struct net_device *ndev)
return 0;
err_cleanup:
cpdma_ctlr_stop(cpsw->dma);
for_each_slave(priv, cpsw_slave_stop, cpsw);
if (!cpsw->usage_count) {
cpdma_ctlr_stop(cpsw->dma);
for_each_slave(priv, cpsw_slave_stop, cpsw);
}
pm_runtime_put_sync(cpsw->dev);
netif_carrier_off(priv->ndev);
return ret;