2012-08-27 07:13:31

by Yuanhan Liu

[permalink] [raw]
Subject: [PATCH] tracing: skip printing "OK" if failed to disable event

No acutal case found. But logically, we should skip "OK" in case any
error met.

Signed-off-by: Yuanhan Liu <[email protected]>
---
kernel/trace/trace_events.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 29111da..9894162 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -1646,9 +1646,11 @@ static __init void event_trace_self_tests(void)
event_test_stuff();

ret = __ftrace_set_clr_event(NULL, system->name, NULL, 0);
- if (WARN_ON_ONCE(ret))
+ if (WARN_ON_ONCE(ret)) {
pr_warning("error disabling system %s\n",
system->name);
+ continue;
+ }

pr_cont("OK\n");
}
--
1.7.7.6