fm10k: Unlock mailbox on VLAN addition failures

After grabbing the mailbox lock and detecting an error, the lock must be
released before the error code can be returned.

Signed-off-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
index bf44a8fe711f5f4dde3071b231ecfedad35a7ffe..b57ea1c09a21aacec533a10547a20acf6616f995 100644 (file)
--- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
@@ -785,14 +785,14 @@ static int fm10k_update_vid(struct net_device *netdev, u16 vid, bool set)
        if (!(netdev->flags & IFF_PROMISC)) {
                err = hw->mac.ops.update_vlan(hw, vid, 0, set);
                if (err)
-                       return err;
+                       goto err_out;
        }
 
        /* update our base MAC address */
        err = hw->mac.ops.update_uc_addr(hw, interface->glort, hw->mac.addr,
                                         vid, set, 0);
        if (err)
-               return err;
+               goto err_out;
 
        /* set vid prior to syncing/unsyncing the VLAN */
        interface->vid = vid + (set ? VLAN_N_VID : 0);
@@ -801,9 +801,10 @@ static int fm10k_update_vid(struct net_device *netdev, u16 vid, bool set)
        __dev_uc_unsync(netdev, fm10k_uc_vlan_unsync);
        __dev_mc_unsync(netdev, fm10k_mc_vlan_unsync);
 
+err_out:
        fm10k_mbx_unlock(interface);
 
-       return 0;
+       return err;
 }
 
 static int fm10k_vlan_rx_add_vid(struct net_device *netdev,