net: make vlan ndo_vlan_rx_[add/kill]_vid return error value
Let caller know the result of adding/removing vlan id to/from vlan
filter.
In some drivers I make those functions to just return 0. But in those
where there is able to see if hw setup went correctly, return value is
set appropriately.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index c358973..fd3da30 100644
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -1176,18 +1176,20 @@
e1000_rlpml_set_vf(hw, max_frame_size);
}
-static void igbvf_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
+static int igbvf_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
{
struct igbvf_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- if (hw->mac.ops.set_vfta(hw, vid, true))
+ if (hw->mac.ops.set_vfta(hw, vid, true)) {
dev_err(&adapter->pdev->dev, "Failed to add vlan id %d\n", vid);
- else
- set_bit(vid, adapter->active_vlans);
+ return -EINVAL;
+ }
+ set_bit(vid, adapter->active_vlans);
+ return 0;
}
-static void igbvf_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
+static int igbvf_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
{
struct igbvf_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
@@ -1197,11 +1199,13 @@
if (!test_bit(__IGBVF_DOWN, &adapter->state))
igbvf_irq_enable(adapter);
- if (hw->mac.ops.set_vfta(hw, vid, false))
+ if (hw->mac.ops.set_vfta(hw, vid, false)) {
dev_err(&adapter->pdev->dev,
"Failed to remove vlan id %d\n", vid);
- else
- clear_bit(vid, adapter->active_vlans);
+ return -EINVAL;
+ }
+ clear_bit(vid, adapter->active_vlans);
+ return 0;
}
static void igbvf_restore_vlan(struct igbvf_adapter *adapter)