Adding a change password functionality in Laravel

changePassword.blade.php

@extends('layouts.app')

@section('content')
    <div class="container">
        <div class="row">
            <div class="col-md-8 col-md-offset-2">
                <div class="panel panel-default">
                    <div class="panel-heading">Change Password</div>

                    <div class="panel-body">

                        {!! Form::model(Auth::user(),['route' => ['change.update',Auth::user()->id], 'method' => 'PATCH']) !!}

                        <div class="form-group{{ $errors->has('old_password') ? ' has-error' : '' }}">
                            {!! Form::label('old_password','Old Password') !!}
                            {!! Form::password('old_password', ['class'=>'form-control']) !!}
                            {!! $errors->first('old_password','<span class ="help-block">:message</span>') !!}
                        </div>

                        <div class="form-group{{ $errors->has('password') ? ' has-error' : '' }}">
                        {!! Form::label('password','New Password') !!}
                        {!! Form::password('password', ['class'=>'form-control']) !!}
                            {!! $errors->first('password','<span class ="help-block">:message</span>') !!}
                        </div>

                        <div class="form-group{{ $errors->has('password_confirmation') ? ' has-error' : '' }}">
                        {!! Form::label('password_confirmation','Confirm Password') !!}
                        {!! Form::password('password_confirmation', ['class'=>'form-control']) !!}
                            {!! $errors->first('password_confirmation','<span class ="help-block">:message</span>') !!}
                        </div>


                        {!! Form::submit('Save') !!}

                        {!! Form::close() !!}


                    </div>
                </div>
            </div>
        </div>
    </div>
@endsection

ChangePasswordController.php

<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use App\User;
use Illuminate\Support\Facades\Input;
use Illuminate\Support\Facades\Hash;

class ChangePasswordController extends Controller
{
    public function __construct()
    {
        $this->middleware('auth');
    }

    public function index()
    {
        return view('auth.passwords.changePassword');
    }


    public function update(Request $request)
    {
        $this->validate($request,[
            'old_password' => 'required',
            'password' => 'required|min:6|confirmed',
        ]);

        $input  = Input::except(['_method', '_token']);

        $current_password = Auth::user()->password;
        if(Hash::check($request['old_password'], $current_password))
        {
            if ($input['password'] != "") {

                $input['password'] = bcrypt($input['password']);
            }
            Auth::user()->update($input);
        }

        return redirect()->back();

    }

}

web.php

<?php

/*
|--------------------------------------------------------------------------
| Web Routes
|--------------------------------------------------------------------------
|
| Here is where you can register web routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| contains the "web" middleware group. Now create something great!
|
*/

Route::get('/', function () {
    return view('welcome');
});

Auth::routes();

Route::get('/home', 'HomeController@index');

Route::resource('/password/change', 'Auth\ChangePasswordController',
    ['only' => ['index','update']]);