#include <linux/pci.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
+#include <linux/smp_lock.h>
#include <scsi/scsicam.h>
#include "scsi.h"
* @filep - unused
*
* Routines for the character/ioctl interface to the driver. Find out if this
- * is a valid open. If yes, increment the module use count so that it cannot
- * be unloaded.
+ * is a valid open.
*/
static int
megadev_open (struct inode *inode, struct file *filep)
{
+ cycle_kernel_lock();
/*
* Only allow superuser to access private ioctl interface
*/