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Fix: missing RCU read side critical sections
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
event.cpp
diff --git
a/src/bin/lttng-sessiond/event.cpp
b/src/bin/lttng-sessiond/event.cpp
index d2e4589b247d61cd28accc8fec015dcac6500f67..924df3af175e19bc1e4eedce455ef37487ae0cfa 100644
(file)
--- a/
src/bin/lttng-sessiond/event.cpp
+++ b/
src/bin/lttng-sessiond/event.cpp
@@
-471,6
+471,7
@@
static int agent_enable(struct agent *agt,
LTTNG_ASSERT(event);
LTTNG_ASSERT(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) {
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:
agent_destroy_event(aevent);
}
end:
+ rcu_read_unlock();
free(filter);
free(filter_expression);
return ret;
free(filter);
free(filter_expression);
return ret;
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