#include <linux/kernel.h>
#include <linux/miscdevice.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/fs.h>
#include <asm/io.h>
#include <asm/uaccess.h>
static int eisa_eeprom_open(struct inode *inode, struct file *file)
{
- if (file->f_mode & 2)
+ cycle_kernel_lock();
+
+ if (file->f_mode & FMODE_WRITE)
return -EINVAL;
return 0;