sony-laptop: BKL pushdown

#include <linux/module.h>

#include <linux/moduleparam.h>

#include <linux/init.h>

#include <linux/smp_lock.h>

#include <linux/types.h>

#include <linux/backlight.h>

#include <linux/platform_device.h>

static int sonypi_misc_open(struct inode *inode, struct file *file)

{

	/* Flush input queue on first open */

	lock_kernel();

	if (atomic_inc_return(&sonypi_compat.open_count) == 1)

		kfifo_reset(sonypi_compat.fifo);

	unlock_kernel();

	return 0;

}