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Merge branch 'cpsw-runtime-pm-fix' 

Grygorii Strashko says:

====================
net: ethernet: ti: cpsw: fix runtime pm while add/del reserved vid

Here 2 not critical fixes for:
- vlan ale table leak while error if deleting vlan (simplifies next fix)
- runtime pm while try to set reserved vlan
====================

Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-08-11 09:38:53 -07:00
parent e91e218946 803c4f64d7
commit 556fdd857f
2 changed files with 12 additions and 15 deletions
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25
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;
}
@ -2119,22 +2121,17 @@ 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;
}
}
dev_info(priv->dev, "removing vlanid %d from vlan filter\n", vid);
ret = cpsw_ale_del_vlan(cpsw->ale, vid, 0);
if (ret != 0)
return ret;
ret = cpsw_ale_del_ucast(cpsw->ale, priv->mac_addr,
HOST_PORT_NUM, ALE_VLAN, vid);
if (ret != 0)
return ret;
ret = cpsw_ale_del_mcast(cpsw->ale, priv->ndev->broadcast,
0, ALE_VLAN, vid);
ret |= cpsw_ale_del_ucast(cpsw->ale, priv->mac_addr,
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;
}

2
drivers/net/ethernet/ti/cpsw_ale.c
View File

@ -394,7 +394,7 @@ int cpsw_ale_del_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask,
idx = cpsw_ale_match_addr(ale, addr, (flags & ALE_VLAN) ? vid : 0);
if (idx < 0)
return -EINVAL;
return -ENOENT;
cpsw_ale_read(ale, idx, ale_entry);