bug fix for flag_sched_rr

2013-06-06 14:44:54 +09:00
parent c838e3f0e9
commit 0b46ccbae1
2 changed files with 2 additions and 1 deletions
--- a/1
+++ b/1
@@ -3,6 +3,7 @@
 	* entry.c: Include sys.h for clock_init and gpio_init.

 	* chopstx.c (PREEMPTION_USEC): Fix the value.
+	(sched): Check tp != NULL to see flag_sched_rr.

 2013-06-05  Niibe Yutaka  <gniibe@fsij.org>

--- a/chopstx.c
+++ b/chopstx.c
@@ -357,7 +357,7 @@ sched (void)
  register struct chx_thread *tp asm ("r0");

  tp = chx_ready_pop ();
-  if (tp->flag_sched_rr)
+  if (tp && tp->flag_sched_rr)
    {
      chx_spin_lock (&q_timer.lock);
      chx_timer_insert (tp, PREEMPTION_USEC);