From 00bf01368323541496f36e5fe084b62d3b5e33d7 Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Mon, 24 Aug 2009 12:19:47 +0800 Subject: [PATCH] --- yaml --- r: 162958 b: refs/heads/master c: 558e6547e4b8a2b13608a24a9d3679802f91c4c7 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/kernel/trace/trace_event_profile.c | 5 ++++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/[refs] b/[refs] index afaf20b08cf3..5217089a4f5b 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 4818d80942b7c0021d213b7c5f1a14a832820a01 +refs/heads/master: 558e6547e4b8a2b13608a24a9d3679802f91c4c7 diff --git a/trunk/kernel/trace/trace_event_profile.c b/trunk/kernel/trace/trace_event_profile.c index 11ba5bb4ed0a..55a25c933d15 100644 --- a/trunk/kernel/trace/trace_event_profile.c +++ b/trunk/kernel/trace/trace_event_profile.c @@ -5,6 +5,7 @@ * */ +#include #include "trace.h" int ftrace_profile_enable(int event_id) @@ -14,7 +15,8 @@ int ftrace_profile_enable(int event_id) mutex_lock(&event_mutex); list_for_each_entry(event, &ftrace_events, list) { - if (event->id == event_id && event->profile_enable) { + if (event->id == event_id && event->profile_enable && + try_module_get(event->mod)) { ret = event->profile_enable(event); break; } @@ -32,6 +34,7 @@ void ftrace_profile_disable(int event_id) list_for_each_entry(event, &ftrace_events, list) { if (event->id == event_id) { event->profile_disable(event); + module_put(event->mod); break; } }