ftrace: disable all tracers on corrupted buffer

If the trace buffer is detected to be corrupted, then we disable all tracers. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
git-mirror · May 23, 2008 · 08bafa0 · 08bafa0
1 parent 4e3c333
commit 08bafa0
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
@@ -67,6 +67,8 @@ trace_test_buffer_cpu(struct trace_array *tr, struct trace_array_cpu *data)
 	return 0;
 
  failed:
+	/* disable tracing */
+	tracing_disabled = 1;
 	printk(KERN_CONT ".. corrupted trace buffer .. ");
 	return -1;
 }