Navigating View Controllers Backward

-(void) pushLogOutViewController

{

    

    NSArray *viewControllers = [[self navigationController] viewControllers];

    for( int i=0;i<[viewControllers count];i++){

        id obj=[viewControllers objectAtIndex:i];

        if([obj isKindOfClass:[LoginViewController class]]){

            [[self navigationController] popToViewController:obj animated:YES];

            return;

        }

    }

    

    

}