[PATCH] watchdog: Drop FIFO policy in exit path

[Thomas Gleixner <tglx@linutronix.de>]

When the watchdog thread exits it runs through the exit path with FIFO
priority. There is no point in doing so. Switch back to SCHED_NORMAL
before exiting.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/watchdog.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Index: linux-2.6/kernel/watchdog.c
===================================================================
--- linux-2.6.orig/kernel/watchdog.c
+++ linux-2.6/kernel/watchdog.c
@@ -320,7 +320,7 @@ static enum hrtimer_restart watchdog_tim
  */
 static int watchdog(void *unused)
 {
-	static struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
+	struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
 	struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer);
 
 	sched_setscheduler(current, SCHED_FIFO, &param);
@@ -349,7 +349,8 @@ static int watchdog(void *unused)
 		set_current_state(TASK_INTERRUPTIBLE);
 	}
 	__set_current_state(TASK_RUNNING);
-
+	param.sched_priority = 0;
+	sched_setscheduler(current, SCHED_NORMAL, &param);
 	return 0;
 }