From 5252dc105917dc2b4b1888c63b5f7e62d1f3861b Mon Sep 17 00:00:00 2001
From: Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
Date: Sat, 26 May 2018 02:53:40 +0200
Subject: [PATCH] mqtt: fix memory leak

---
 lib/nodes/mqtt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/nodes/mqtt.c b/lib/nodes/mqtt.c
index 52ecc1457..bc3692f13 100644
--- a/lib/nodes/mqtt.c
+++ b/lib/nodes/mqtt.c
@@ -96,6 +96,7 @@ static void mqtt_message_cb(struct mosquitto *mosq, void *userdata, const struct
 	}
 	if (ret != 1) {
 		debug(4, "MQTT: skip empty message for node %s", node_name(n));
+		sample_put(smp);
 		return;
 	}