X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Flttng-statedump.h;h=d350cad3fd45048f99b3d777266ecdf79b82b538;hb=debfbc4ed959e6223cea1926d31255edbe51de9b;hp=ea0b6d9d99eeeade8aaec9be89cee228c85e729f;hpb=7cb1d0eed1f317135496ccffe6f0531efe87e44e;p=lttng-modules.git

diff --git a/instrumentation/events/lttng-module/lttng-statedump.h b/instrumentation/events/lttng-module/lttng-statedump.h
index ea0b6d9d..d350cad3 100644
--- a/instrumentation/events/lttng-module/lttng-statedump.h
+++ b/instrumentation/events/lttng-module/lttng-statedump.h
@@ -67,10 +67,12 @@ TRACE_EVENT(lttng_statedump_process_state,
 				struct task_struct *parent;
 				pid_t ret = 0;
 
-				rcu_read_lock();
-				parent = rcu_dereference(p->real_parent);
-				ret = task_tgid_nr_ns(parent, pid_ns);
-				rcu_read_unlock();
+				if (pid_ns) {
+					rcu_read_lock();
+					parent = rcu_dereference(p->real_parent);
+					ret = task_tgid_nr_ns(parent, pid_ns);
+					rcu_read_unlock();
+				}
 				ret;
 			}))
 		tp_memcpy(name, p->comm, TASK_COMM_LEN)