X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-metadata.cpp;fp=src%2Fbin%2Flttng-sessiond%2Fust-metadata.cpp;h=5f031a9c41f7f074fda80129828b0c6688508576;hp=566799efd08b2016e7ce24edeeadb3cd70937d04;hb=60f1b42d6280b6bd386abb726dca4fd3b31d8491;hpb=bacc39bbfbccc984d2b558b41cf8ab42a8592d09

diff --git a/src/bin/lttng-sessiond/ust-metadata.cpp b/src/bin/lttng-sessiond/ust-metadata.cpp
index 566799efd..5f031a9c4 100644
--- a/src/bin/lttng-sessiond/ust-metadata.cpp
+++ b/src/bin/lttng-sessiond/ust-metadata.cpp
@@ -906,12 +906,16 @@ end:
 
 /*
  * Should be called with session registry mutex held.
+ *
+ * RCU read lock must be held by the caller.
  */
 int ust_metadata_channel_statedump(struct ust_registry_session *session,
 		struct ust_registry_channel *chan)
 {
 	int ret;
 
+	ASSERT_RCU_READ_LOCKED();
+
 	/* Don't dump metadata events */
 	if (chan->chan_id == -1U)
 		return 0;