}
}
-static ssize_t zf_write(struct file *file, const char *buf, size_t count,
+static ssize_t zf_write(struct file *file, const char __user *buf, size_t count,
loff_t *ppos)
{
- /* Can't seek (pwrite) on this device */
- if (ppos != &file->f_pos)
- return -ESPIPE;
-
/* See if we got the magic character */
if(count){
static int zf_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
unsigned long arg)
{
+ void __user *argp = (void __user *)arg;
+ int __user *p = argp;
switch(cmd){
case WDIOC_GETSUPPORT:
- if (copy_to_user((struct watchdog_info *)arg,
- &zf_info, sizeof(zf_info)))
+ if (copy_to_user(argp, &zf_info, sizeof(zf_info)))
return -EFAULT;
break;
case WDIOC_GETSTATUS:
- return put_user(0, (int *) arg);
+ return put_user(0, p);
case WDIOC_KEEPALIVE:
zf_ping(0);
zf_timer_on();
- return 0;
+ return nonseekable_open(inode, file);
}
static int zf_close(struct inode *inode, struct file *file)