Fix: lttng-modules teardown NULL pointer OOPS

[lttng-modules.git] / lttng-events.h

diff --git a/lttng-events.h b/lttng-events.h
index 037467da655dcfe06cb477e7ad27b99696995286..c84689cb3c96cd8ef703486ba3a6928ad263b226 100644 (file)
--- a/lttng-events.h
+++ b/lttng-events.h
@@ -311,6 +311,7 @@ struct lttng_metadata_stream {
        wait_queue_head_t read_wait;    /* Reader buffer-level wait queue */
        struct list_head list;          /* Stream list */
        struct lttng_transport *transport;
+       struct mutex lock;
 };
 
 struct lttng_session {
@@ -332,6 +333,7 @@ struct lttng_metadata_cache {
        unsigned int metadata_written;  /* Number of bytes written in metadata cache */
        struct kref refcount;           /* Metadata cache usage */
        struct list_head metadata_stream;       /* Metadata stream list */
+       uuid_le uuid;                   /* Trace session unique ID (copy) */
 };
 
 struct lttng_session *lttng_session_create(void);