Fix: Send remove channel to notification thread only when necessary

[lttng-tools.git] / src / bin / lttng-sessiond / trace-kernel.c

diff --git a/src/bin/lttng-sessiond/trace-kernel.c b/src/bin/lttng-sessiond/trace-kernel.c
index 5769576cd0ea47f9d0f11255cadcbbc2aaf8e3b7..083add3f30f907eee80dc259b0e961f028e50ab3 100644 (file)
--- a/src/bin/lttng-sessiond/trace-kernel.c
+++ b/src/bin/lttng-sessiond/trace-kernel.c
@@ -221,6 +221,7 @@ struct ltt_kernel_channel *trace_kernel_create_channel(
        lkc->stream_count = 0;
        lkc->event_count = 0;
        lkc->enabled = 1;
+       lkc->published_to_notification_thread = false;
        /* Init linked list */
        CDS_INIT_LIST_HEAD(&lkc->events_list.head);
        CDS_INIT_LIST_HEAD(&lkc->stream_list.head);
@@ -522,7 +523,8 @@ void trace_kernel_destroy_channel(struct ltt_kernel_channel *channel)
        /* Remove from channel list */
        cds_list_del(&channel->list);
 
-       if (notification_thread_handle) {
+       if (notification_thread_handle
+                       && channel->published_to_notification_thread) {
                status = notification_thread_command_remove_channel(
                                notification_thread_handle,
                                channel->fd, LTTNG_DOMAIN_KERNEL);