[PATCH] pcwd.c: Call kernel_power_off not machine_power_off

The call appears to come from process context so kernel_power_off
should be safe.  And acpi_power_off won't necessarily work if you just
call machine_power_off.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/char/watchdog/pcwd.c

@@ -344,7 +344,7 @@ static int pcwd_get_status(int *status)
 			*status |= WDIOF_OVERHEAT;
 			if (temp_panic) {
 				printk (KERN_INFO PFX "Temperature overheat trip!\n");
-				machine_power_off();
+				kernel_power_off();
 			}
 		}
 	} else {
@@ -355,7 +355,7 @@ static int pcwd_get_status(int *status)
 			*status |= WDIOF_OVERHEAT;
 			if (temp_panic) {
 				printk (KERN_INFO PFX "Temperature overheat trip!\n");
-				machine_power_off();
+				kernel_power_off();
 			}
 		}
 	}