ftrace: do not init module on ftrace disabled
If one of the self tests of ftrace has disabled the function tracer,
do not run the code to convert the mcount calls in modules.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index eadd0ea..11d94f2 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -307,7 +307,7 @@
unsigned long e = s + size;
int i;
- if (!start)
+ if (ftrace_disabled || !start)
return;
/* No interrupt should call this */
@@ -1567,7 +1567,7 @@
void ftrace_init_module(unsigned long *start, unsigned long *end)
{
- if (start == end)
+ if (ftrace_disabled || start == end)
return;
ftrace_convert_nops(start, end);
}