diff --git a/tools/mesh-cfgclient.c b/tools/mesh-cfgclient.c
index 1eeed2a..4906967 100644
--- a/tools/mesh-cfgclient.c
+++ b/tools/mesh-cfgclient.c
@@ -914,7 +914,7 @@ static void cmd_import_node(int argc, char *argv[])
 
 	/* Number of elements */
 	if (sscanf(argv[4], "%u", &req->arg3) != 1)
-		return;
+		goto fail;
 
 	/* DevKey */
 	req->data2 = l_util_from_hexstring(argv[5], &sz);
diff --git a/tools/mesh-gatt/gatt.c b/tools/mesh-gatt/gatt.c
index b99234f..c8a8123 100644
--- a/tools/mesh-gatt/gatt.c
+++ b/tools/mesh-gatt/gatt.c
@@ -525,6 +525,7 @@ bool mesh_gatt_notify(GDBusProxy *proxy, bool enable, GDBusReturnFunction cb,
 			notify_io_destroy();
 			if (cb)
 				cb(NULL, user_data);
+			g_free(data);
 			return true;
 		} else {
 			method = "StopNotify";
diff --git a/tools/mesh-gatt/node.c b/tools/mesh-gatt/node.c
index 6afda33..356e1cd 100644
--- a/tools/mesh-gatt/node.c
+++ b/tools/mesh-gatt/node.c
@@ -396,8 +396,10 @@ bool node_parse_composition(struct mesh_node *node, uint8_t *data, uint16_t len)
 		uint16_t vendor_id;
 		struct mesh_element *ele;
 		ele = g_malloc0(sizeof(struct mesh_element));
-		if (!ele)
+		if (!ele) {
+			g_free(comp);
 			return false;
+		}
 
 		ele->index = i;
 		ele->loc = get_le16(data);
@@ -412,8 +414,10 @@ bool node_parse_composition(struct mesh_node *node, uint8_t *data, uint16_t len)
 			mod_id = get_le16(data);
 			/* initialize uppper 16 bits to 0xffff for SIG models */
 			mod_id |= 0xffff0000;
-			if (!node_set_model(node, ele->index, mod_id))
+			if (!node_set_model(node, ele->index, mod_id)) {
+				g_free(comp);
 				return false;
+			}
 			data += 2;
 			len -= 2;
 		}
@@ -421,8 +425,10 @@ bool node_parse_composition(struct mesh_node *node, uint8_t *data, uint16_t len)
 			mod_id = get_le16(data + 2);
 			vendor_id = get_le16(data);
 			mod_id |= (vendor_id << 16);
-			if (!node_set_model(node, ele->index, mod_id))
+			if (!node_set_model(node, ele->index, mod_id)) {
+				g_free(comp);
 				return false;
+			}
 			data += 4;
 			len -= 4;
 		}