i40e: properly convert le16 value to CPU format
authorJacob Keller <jacob.e.keller@intel.com>
Mon, 12 Dec 2016 23:44:15 +0000 (15:44 -0800)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Sun, 19 Feb 2017 04:35:36 +0000 (20:35 -0800)
This ensures that the pvid which is stored in __le16 format is converted
to the CPU format. This will fix comparison issues on Big Endian
platforms.

Change-ID: I92c80d1315dc2a0f9f095d5a0c48d461beb052ed
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/i40e/i40e_main.c

index a6dca58..df78271 100644 (file)
@@ -1254,6 +1254,7 @@ static int i40e_correct_mac_vlan_filters(struct i40e_vsi *vsi,
                                         struct hlist_head *tmp_del_list,
                                         int vlan_filters)
 {
+       s16 pvid = le16_to_cpu(vsi->info.pvid);
        struct i40e_mac_filter *f, *add_head;
        struct i40e_new_mac_filter *new;
        struct hlist_node *h;
@@ -1275,8 +1276,8 @@ static int i40e_correct_mac_vlan_filters(struct i40e_vsi *vsi,
 
        /* Update the filters about to be added in place */
        hlist_for_each_entry(new, tmp_add_list, hlist) {
-               if (vsi->info.pvid && new->f->vlan != vsi->info.pvid)
-                       new->f->vlan = vsi->info.pvid;
+               if (pvid && new->f->vlan != pvid)
+                       new->f->vlan = pvid;
                else if (vlan_filters && new->f->vlan == I40E_VLAN_ANY)
                        new->f->vlan = 0;
                else if (!vlan_filters && new->f->vlan == 0)
@@ -1290,12 +1291,12 @@ static int i40e_correct_mac_vlan_filters(struct i40e_vsi *vsi,
                 * order to avoid duplicating code for adding the new filter
                 * then deleting the old filter.
                 */
-               if ((vsi->info.pvid && f->vlan != vsi->info.pvid) ||
+               if ((pvid && f->vlan != pvid) ||
                    (vlan_filters && f->vlan == I40E_VLAN_ANY) ||
                    (!vlan_filters && f->vlan == 0)) {
                        /* Determine the new vlan we will be adding */
-                       if (vsi->info.pvid)
-                               new_vlan = vsi->info.pvid;
+                       if (pvid)
+                               new_vlan = pvid;
                        else if (vlan_filters)
                                new_vlan = 0;
                        else