X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fkern%2Fmonitor.c;h=d0bf4a823b1bf534e17e218e262a38bd70c51a11;hb=f248bd5d8be37c741ef62386d82e4975723e09c3;hp=5995fc53d223954ee4905afb38183457c18f5917;hpb=64a3e9b44fc4b43a0f69fc580ad8c8d76067f751;p=bertos.git

diff --git a/bertos/kern/monitor.c b/bertos/kern/monitor.c
index 5995fc53..d0bf4a82 100644
--- a/bertos/kern/monitor.c
+++ b/bertos/kern/monitor.c
@@ -32,7 +32,6 @@
  *
  * \brief Monitor to check for stack overflows
  *
- * \version $Id$
  * \author Giovanni Bajo <rasky@develer.com>
  */
 
@@ -118,12 +117,12 @@ void monitor_report(void)
 	Node *node;
 	int i;
 
+	proc_forbid();
 	kprintf("%-9s%-9s%-9s%-9s%s\n", "TCB", "SPbase", "SPsize", "SPfree", "Name");
 	for (i = 0; i < 56; i++)
 		kputchar('-');
 	kputchar('\n');
 
-	proc_forbid();
 	FOREACH_NODE(node, &MonitorProcs)
 	{
 		Process *p = containerof(node, Process, monitor.link);
@@ -147,7 +146,7 @@ static void NORETURN monitor(void)
 			Process *p = containerof(node, Process, monitor.link);
 			size_t free = monitor_checkStack(p->stack_base, p->stack_size);
 
-			if (free < 0x20)
+			if (p->stack_base && free < 0x20)
 				kprintf("MONITOR: Free stack of process '%s' is only %u chars\n",
 						p->monitor.name, (unsigned int)free);
 		}