Fix: increment channel refcount on add_stream

Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>

diff --git a/src/common/kernel-consumer/kernel-consumer.c b/src/common/kernel-consumer/kernel-consumer.c
index f3a3a22b55a230a427bad1fe7c7cb844de236d8a..f47c498777531ef6702b41d34b153abba3320e1e 100644 (file)
--- a/src/common/kernel-consumer/kernel-consumer.c
+++ b/src/common/kernel-consumer/kernel-consumer.c
@@ -255,6 +255,12 @@ int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
                new_stream->chan = channel;
                new_stream->wait_fd = fd;
 
+               /* Metadata chan refcount is increment in add_metadata_stream */
+               if (new_stream->chan->type != CONSUMER_CHANNEL_TYPE_METADATA) {
+                       /* Update channel refcount */
+                       uatomic_inc(&new_stream->chan->refcount);
+               }
+
                /*
                 * The buffer flush is done on the session daemon side for the kernel
                 * so no need for the stream "hangup_flush_done" variable to be