monwriter: BKL pushdown

#include <linux/moduleparam.h>

#include <linux/init.h>

#include <linux/errno.h>

#include <linux/smp_lock.h>

#include <linux/types.h>

#include <linux/kernel.h>

#include <linux/miscdevice.h>

	monpriv = kzalloc(sizeof(struct mon_private), GFP_KERNEL);

	if (!monpriv)

		return -ENOMEM;

	lock_kernel();

	INIT_LIST_HEAD(&monpriv->list);

	monpriv->hdr_to_read = sizeof(monpriv->hdr);

	mutex_init(&monpriv->thread_mutex);

	filp->private_data = monpriv;

	unlock_kernel();

	return nonseekable_open(inode, filp);

}