[lttng-dev] [LTTNG-TOOLS PATCH v2] Fix: increment channel refcount on add_stream

[Julien Desfossez]

Signed-off-by: Julien Desfossez <jdesfossez at efficios.com>
---
 src/common/kernel-consumer/kernel-consumer.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/common/kernel-consumer/kernel-consumer.c b/src/common/kernel-consumer/kernel-consumer.c
index f3a3a22..f47c498 100644
--- 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
-- 
1.7.10.4