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/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 82f4ef1..053f012 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -169,8 +169,8 @@
static bool e1000_vlan_used(struct e1000_adapter *adapter);
static void e1000_vlan_mode(struct net_device *netdev,
netdev_features_t features);
-static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
-static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
+static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
+static int e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
static void e1000_restore_vlan(struct e1000_adapter *adapter);
#ifdef CONFIG_PM
@@ -4604,7 +4604,7 @@
e1000_irq_enable(adapter);
}
-static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
+static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
@@ -4613,7 +4613,7 @@
if ((hw->mng_cookie.status &
E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
(vid == adapter->mng_vlan_id))
- return;
+ return 0;
if (!e1000_vlan_used(adapter))
e1000_vlan_filter_on_off(adapter, true);
@@ -4625,9 +4625,11 @@
e1000_write_vfta(hw, index, vfta);
set_bit(vid, adapter->active_vlans);
+
+ return 0;
}
-static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
+static int e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
@@ -4648,6 +4650,8 @@
if (!e1000_vlan_used(adapter))
e1000_vlan_filter_on_off(adapter, false);
+
+ return 0;
}
static void e1000_restore_vlan(struct e1000_adapter *adapter)