ixgbe: Reduce VT code indent in set_vfta by introducing jump label

In order to clear the way for upcoming work I thought it best to drop the
level of indent in the ixgbe_set_vfta_generic function.  Most of the code
is held in the virtualization specific section.  So the easiest approach is
to just add a jump label and jump past the bulk of the code if it is not
enabled.
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/ixgbe/ixgbe_common.c

@@ -3051,8 +3051,8 @@ s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind,
 			   bool vlan_on)
 {
 	u32 regidx, vfta_delta, vfta;
+	s32 vlvf_index;
 	u32 bits;
-	u32 vt;
 
 	if (vlan > 4095)
 		return IXGBE_ERR_PARAM;
@@ -3088,9 +3088,8 @@ s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind,
 	 *   Or !vlan_on
 	 *     clear the pool bit and possibly the vind
 	 */
-	vt = IXGBE_READ_REG(hw, IXGBE_VT_CTL);
-	if (vt & IXGBE_VT_CTL_VT_ENABLE) {
-		s32 vlvf_index;
+	if (!(IXGBE_READ_REG(hw, IXGBE_VT_CTL) & IXGBE_VT_CTL_VT_ENABLE))
+		goto vfta_update;
 
 	vlvf_index = ixgbe_find_vlvf_slot(hw, vlan);
 	if (vlvf_index < 0)
@@ -3136,8 +3135,7 @@ s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind,
 		}
 	}
 
-		/*
-		 * If there are still bits set in the VLVFB registers
+	/* If there are still bits set in the VLVFB registers
 	 * for the VLAN ID indicated we need to see if the
 	 * caller is requesting that we clear the VFTA entry bit.
 	 * If the caller has requested that we clear the VFTA
@@ -3163,8 +3161,8 @@ s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind,
 	} else {
 		IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index), 0);
 	}
-	}
 
+vfta_update:
 	if (vfta_delta)
 		IXGBE_WRITE_REG(hw, IXGBE_VFTA(regidx), vfta);