Redirect to Front End after Login

function redirect_to_front_page() {
global $redirect_to;
$redirect_to = get_option('siteurl');
}
add_action('login_form', 'redirect_to_front_page');

function admin_login_redirect( $redirect_to, $request, $user )
{
global $user;
if( isset( $user->roles ) && is_array( $user->roles ) ) {
if( in_array( "administrator", $user->roles ) ) {
return $redirect_to;
} else {
return home_url();
}
}
else
{
return $redirect_to;
}
}
add_filter("login_redirect", "admin_login_redirect", 10, 3);