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authorIngo Molnar <mingo@elte.hu>2010-09-09 20:40:06 +0200
committerIngo Molnar <mingo@elte.hu>2010-09-09 20:40:08 +0200
commit2aa61274efb9f532deaebc9812675a27af1994cb (patch)
treec2f70525dc152e0ddce60f1a3021473cc6a3f298 /kernel/trace/trace_event_perf.c
parent359d5106a2ff4ffa2ba129ec8f54743c341dabfc (diff)
parent5e11637e2c929e34dcc0fbbfb48bdb638937701a (diff)
Merge branch 'perf/urgent' into perf/core
Merge reason: Pick up pending fixes before applying dependent new changes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/trace_event_perf.c')
-rw-r--r--kernel/trace/trace_event_perf.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index 92f5477a006a..f3bbcd1c90c8 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -91,6 +91,8 @@ int perf_trace_init(struct perf_event *p_event)
tp_event->class && tp_event->class->reg &&
try_module_get(tp_event->mod)) {
ret = perf_trace_event_init(tp_event, p_event);
+ if (ret)
+ module_put(tp_event->mod);
break;
}
}
@@ -147,6 +149,7 @@ void perf_trace_destroy(struct perf_event *p_event)
}
}
out:
+ module_put(tp_event->mod);
mutex_unlock(&event_mutex);
}