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net: ethernet: ti: cpsw: fix runtime_pm while add/kill vlan 

It's exclusive with normal behaviour but if try to set vlan to one of
the reserved values is made, the cpsw runtime pm is broken.

Fixes: a6c5d14f51 ("drivers: net: cpsw: ndev: fix accessing to suspended device")
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 2018-08-10 15:47:09 +03:00 committed by David S. Miller
parent be35b982e8
commit 803c4f64d7
1 changed files with 7 additions and 4 deletions
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11
drivers/net/ethernet/ti/cpsw.c
View File

@ -2086,14 +2086,16 @@ static int cpsw_ndo_vlan_rx_add_vid(struct net_device *ndev,
int i;
for (i = 0; i < cpsw->data.slaves; i++) {
if (vid == cpsw->slaves[i].port_vlan)
return -EINVAL;
if (vid == cpsw->slaves[i].port_vlan) {
ret = -EINVAL;
goto err;
}
}
}
dev_info(priv->dev, "Adding vlanid %d to vlan filter\n", vid);
ret = cpsw_add_vlan_ale_entry(priv, vid);
err:
pm_runtime_put(cpsw->dev);
return ret;
}
@ -2119,7 +2121,7 @@ static int cpsw_ndo_vlan_rx_kill_vid(struct net_device *ndev,
for (i = 0; i < cpsw->data.slaves; i++) {
if (vid == cpsw->slaves[i].port_vlan)
return -EINVAL;
goto err;
}
}
@ -2129,6 +2131,7 @@ static int cpsw_ndo_vlan_rx_kill_vid(struct net_device *ndev,
HOST_PORT_NUM, ALE_VLAN, vid);
ret |= cpsw_ale_del_mcast(cpsw->ale, priv->ndev->broadcast,
0, ALE_VLAN, vid);
err:
pm_runtime_put(cpsw->dev);
return ret;
}