#include <linux/fcntl.h>
#include <linux/init.h>
#include <linux/poll.h>
-#include <linux/smp_lock.h>
#include <linux/moduleparam.h>
#include <linux/cdev.h>
#include <linux/seq_file.h>
int blk_size = buff_size;
struct page *p = NULL;
- if ((blk_size < 0) || (!sfp))
+ if (blk_size < 0)
return -EFAULT;
if (0 == blk_size)
++blk_size; /* don't know why */