Kernel thread usage in device driver

thread.c

#include <linux/module.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/slab.h>
#include <linux/kthread.h>
#include <linux/sched.h>
#include <linux/delay.h>

MODULE_LICENSE("GPL");

static struct task_struct *ts;

int kthread_func (void * data)
{
  while( 1 )
  {
    printk("Inside kernel thread \n");
    
    if( kthread_should_stop() )
      break;      
  }  
  
  do_exit(0);
}

static int __init thread_init(void)
{
  ts = kthread_run(kthread_func, NULL, "kthread");
  
  return 0;
}

static void __exit thread_exit(void)
{
  printk("Stopping thread and exiting !!! \n");
  
  kthread_stop(ts);
}

module_init(thread_init);
module_exit(thread_exit);