X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fevent.cpp;h=924df3af175e19bc1e4eedce455ef37487ae0cfa;hb=238312393a8fad75330639148e42e5c3662ebb93;hp=284a8c472b44012ab7fb4b5948c1aac5b665f710;hpb=7966af5763c4aaca39df9bbfa9277ff15715c720;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/event.cpp b/src/bin/lttng-sessiond/event.cpp
index 284a8c472..924df3af1 100644
--- a/src/bin/lttng-sessiond/event.cpp
+++ b/src/bin/lttng-sessiond/event.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 EfficiOS Inc.
  * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
  * SPDX-License-Identifier: GPL-2.0-only
@@ -471,6 +471,7 @@ static int agent_enable(struct agent *agt,
 	LTTNG_ASSERT(event);
 	LTTNG_ASSERT(agt);
 
+	rcu_read_lock();
 	aevent = agent_find_event(event->name, event->loglevel_type,
 			event->loglevel, filter_expression, agt);
 	if (!aevent) {
@@ -519,6 +520,7 @@ error:
 		agent_destroy_event(aevent);
 	}
 end:
+	rcu_read_unlock();
 	free(filter);
 	free(filter_expression);
 	return ret;