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>
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index 4c8a1b2..a6f1ed7 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -67,6 +67,8 @@
return 0;
failed:
+ /* disable tracing */
+ tracing_disabled = 1;
printk(KERN_CONT ".. corrupted trace buffer .. ");
return -1;
}