module_param(heartbeat, int, 0);
MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536, default=" __MODULE_STRING(WD_TIMO) ")");
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
printk(KERN_CRIT PFX "Would Reboot.\n");
#else
printk(KERN_CRIT PFX "Initiating system reboot.\n");
- machine_restart(NULL);
+ emergency_restart(NULL);
#endif
#else
printk(KERN_CRIT PFX "Reset in 5ms.\n");
* write of data will do, as we we don't define content meaning.
*/
-static ssize_t wdtpci_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
+static ssize_t wdtpci_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;
-
if (count) {
if (!nowayout) {
size_t i;
{
int new_heartbeat;
int status;
+ void __user *argp = (void __user *)arg;
+ int __user *p = argp;
static struct watchdog_info ident = {
.options = WDIOF_SETTIMEOUT|
default:
return -ENOIOCTLCMD;
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:
wdtpci_get_status(&status);
- return put_user(status,(int *)arg);
+ return put_user(status, p);
case WDIOC_GETBOOTSTATUS:
- return put_user(0, (int *)arg);
+ return put_user(0, p);
case WDIOC_KEEPALIVE:
wdtpci_ping();
return 0;
case WDIOC_SETTIMEOUT:
- if (get_user(new_heartbeat, (int *)arg))
+ if (get_user(new_heartbeat, p))
return -EFAULT;
if (wdtpci_set_heartbeat(new_heartbeat))
wdtpci_ping();
/* Fall */
case WDIOC_GETTIMEOUT:
- return put_user(heartbeat, (int *)arg);
+ return put_user(heartbeat, p);
}
}
* Activate
*/
wdtpci_start();
- return 0;
+ return nonseekable_open(inode, file);
}
/**
* fahrenheit. It was designed by an imperial measurement luddite.
*/
-static ssize_t wdtpci_temp_read(struct file *file, char *buf, size_t count, loff_t *ptr)
+static ssize_t wdtpci_temp_read(struct file *file, char __user *buf, size_t count, loff_t *ptr)
{
int temperature;
- /* Can't seek (pread) on this device */
- if (ptr != &file->f_pos)
- return -ESPIPE;
-
if (wdtpci_get_temperature(&temperature))
return -EFAULT;
static int wdtpci_temp_open(struct inode *inode, struct file *file)
{
- return 0;
+ return nonseekable_open(inode, file);
}
/**
out_misc:
#ifdef CONFIG_WDT_501_PCI
misc_deregister(&temp_miscdev);
-#endif /* CONFIG_WDT_501_PCI */
out_rbt:
+#endif /* CONFIG_WDT_501_PCI */
unregister_reboot_notifier(&wdtpci_notifier);
out_irq:
free_irq(irq, &wdtpci_miscdev);