be2net: change to call pmac_del only if necessary

If a mac address has not been configured for a VF,
there is no need to call be_cmd_pmac_del.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 5 insertions, 2 deletions

diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index f17428caecf1..c730bd64628a 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -221,6 +221,7 @@ struct be_rx_obj {
 };
 
 #define BE_NUM_MSIX_VECTORS             2       /* 1 each for Tx and Rx */
+#define BE_INVALID_PMAC_ID              0xffffffff
 struct be_adapter {
         struct pci_dev *pdev;
         struct net_device *netdev;
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index e6ca92334d6d..899881b5aab9 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -656,8 +656,9 @@ static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
         if (!is_valid_ether_addr(mac) || (vf >= num_vfs))
                 return -EINVAL;
 
-        status = be_cmd_pmac_del(adapter, adapter->vf_if_handle[vf],
-                                adapter->vf_pmac_id[vf]);
+        if (adapter->vf_pmac_id[vf] != BE_INVALID_PMAC_ID)
+                status = be_cmd_pmac_del(adapter, adapter->vf_if_handle[vf],
+                                        adapter->vf_pmac_id[vf]);
 
         status = be_cmd_pmac_add(adapter, mac, adapter->vf_if_handle[vf],
                                 &adapter->vf_pmac_id[vf]);
@@ -1910,6 +1911,7 @@ static int be_setup(struct be_adapter *adapter)
                                 "Interface Create failed for VF %d\n", vf);
                                 goto if_destroy;
                         }
+                        adapter->vf_pmac_id[vf] = BE_INVALID_PMAC_ID;
                         vf++;
                 }
         } else if (!be_physfn(adapter)) {