i40e: use QOS field consistently

In i40e_ndo_set_vf_port_vlan, we were using the QOS value
inconsistently, sometimes shifting it, sometimes not. Do the shift-and-
or operation correctly, once, and use the result consistently everywhere
in the function.

Change-ID: I46f062f3edc90a8a017ecec9137f4d1ab0ab9e41
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index eacce93..b148694 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -2089,6 +2089,7 @@ error_param:
 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev,
                              int vf_id, u16 vlan_id, u8 qos)
 {
+       u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT);
        struct i40e_netdev_priv *np = netdev_priv(netdev);
        struct i40e_pf *pf = np->vsi->back;
        struct i40e_vsi *vsi;
@@ -2116,8 +2117,7 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev,
                goto error_pvid;
        }
 
-       if (le16_to_cpu(vsi->info.pvid) ==
-           (vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT)))
+       if (le16_to_cpu(vsi->info.pvid) == vlanprio)
                /* duplicate request, so just return success */
                goto error_pvid;
 
@@ -2141,7 +2141,7 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev,
         * MAC addresses deleted.
         */
        if ((!(vlan_id || qos) ||
-           (vlan_id | qos) != le16_to_cpu(vsi->info.pvid)) &&
+           vlanprio != le16_to_cpu(vsi->info.pvid)) &&
            vsi->info.pvid)
                ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY);
 
@@ -2156,8 +2156,7 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev,
                }
        }
        if (vlan_id || qos)
-               ret = i40e_vsi_add_pvid(vsi,
-                               vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT));
+               ret = i40e_vsi_add_pvid(vsi, vlanprio);
        else
                i40e_vsi_remove_pvid(vsi);