ice: fix an error code in ice_ena_vfs()

Return the error code if ice_eswitch_configure() fails.  Don't return
success.

Fixes: 1c54c839 ("ice: enable/disable switchdev when managing VFs")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c

@@ -2015,7 +2015,8 @@ static int ice_ena_vfs(struct ice_pf *pf, u16 num_vfs)
 
 	clear_bit(ICE_VF_DIS, pf->state);
 
-	if (ice_eswitch_configure(pf))
+	ret = ice_eswitch_configure(pf);
+	if (ret)
 		goto err_unroll_sriov;
 
 	return 0;