X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-consumer.c;fp=src%2Fbin%2Flttng-sessiond%2Fust-consumer.c;h=b9865a0f015b76e0abb5ebcedfd8b92238b47465;hp=d8d6c329f5d3334555f05e0418a699c46cec6dce;hb=cb7d882ca6edad2f4f36e585aca3cc05f1d8048e;hpb=05f8afa9c72f0c673628dd5aeb6e8abcab6a5bf8

diff --git a/src/bin/lttng-sessiond/ust-consumer.c b/src/bin/lttng-sessiond/ust-consumer.c
index d8d6c329f..b9865a0f0 100644
--- a/src/bin/lttng-sessiond/ust-consumer.c
+++ b/src/bin/lttng-sessiond/ust-consumer.c
@@ -513,7 +513,9 @@ int ust_consumer_metadata_request(struct consumer_socket *socket)
 
 			memset(&msg, 0, sizeof(msg));
 			msg.cmd_type = LTTNG_ERR_UND;
+			pthread_mutex_lock(socket->lock);
 			(void) consumer_send_msg(socket, &msg);
+			pthread_mutex_unlock(socket->lock);
 			/*
 			 * This is possible since the session might have been destroyed
 			 * during a consumer metadata request. So here, return gracefully