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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-19 13:47:57 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-19 13:47:57 +0100 |
| commit | 40d743b8c16a8cf6e30c1d941aa6147f9550ea75 (patch) | |
| tree | 9fcdf9a06b18a275253048d1ea7c9803cec38845 /kernel/trace/trace_event_profile.c | |
| parent | 7da18afa423f167e7ef3c9728e584d8bf05bd55a (diff) | |
| parent | 83e686ea0291ee93b87dcdc00b96443b80de56c9 (diff) | |
Merge branch 'for-rmk' of git://linux-arm.org/linux-2.6
Diffstat (limited to 'kernel/trace/trace_event_profile.c')
| -rw-r--r-- | kernel/trace/trace_event_profile.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/trace/trace_event_profile.c b/kernel/trace/trace_event_profile.c index 11ba5bb4ed0..55a25c933d1 100644 --- a/kernel/trace/trace_event_profile.c +++ b/kernel/trace/trace_event_profile.c @@ -5,6 +5,7 @@ * */ +#include <linux/module.h> #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; } } |