* /dev/watchdog handling.
*/
-static ssize_t acq_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
+static ssize_t acq_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)
unsigned long arg)
{
int options, retval = -EINVAL;
+ void __user *argp = (void __user *)arg;
+ int __user *p = argp;
static struct watchdog_info ident =
{
.options = WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
switch(cmd)
{
case WDIOC_GETSUPPORT:
- return copy_to_user((struct watchdog_info *)arg, &ident, sizeof(ident)) ? -EFAULT : 0;
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
- return put_user(0, (int *)arg);
+ return put_user(0, p);
case WDIOC_KEEPALIVE:
acq_keepalive();
return 0;
case WDIOC_GETTIMEOUT:
- return put_user(WATCHDOG_HEARTBEAT, (int *)arg);
+ return put_user(WATCHDOG_HEARTBEAT, p);
case WDIOC_SETOPTIONS:
{
- if (get_user(options, (int *)arg))
+ if (get_user(options, p))
return -EFAULT;
if (options & WDIOS_DISABLECARD)