Fix: lttng-tracepoint module notifier should return NOTIFY_OK

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

diff --git a/lttng-events.c b/lttng-events.c
index 04df65c6af21829a4820636d43401cb96b46fe5c..da1d38e67b5ef80e4d381f15ceed0097093837bd 100644 (file)
--- a/lttng-events.c
+++ b/lttng-events.c
@@ -87,7 +87,12 @@ int _lttng_field_statedump(struct lttng_session *session,
 
 void synchronize_trace(void)
 {
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,1,0))
+       synchronize_rcu();
+#else
        synchronize_sched();
+#endif
+
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
 #ifdef CONFIG_PREEMPT_RT_FULL
        synchronize_rcu();
@@ -1115,8 +1120,8 @@ int lttng_session_list_tracker_pids(struct lttng_session *session)
                ret = PTR_ERR(tracker_pids_list_file);
                goto file_error;
        }
-       if (atomic_long_add_unless(&session->file->f_count,
-               1, INT_MAX) == INT_MAX) {
+       if (!atomic_long_add_unless(&session->file->f_count, 1, LONG_MAX)) {
+               ret = -EOVERFLOW;
                goto refcount_error;
        }
        ret = lttng_tracker_pids_list_fops.open(NULL, tracker_pids_list_file);