qcacmn: Flush TxLookupQueue for ENDPOINT_0 during htc_cleanup

When driver unload is triggered, check_for_leaks complains,
saying it finds pending entries in TxLookupQueue of ENDPOINT_0.

Flush pending entries in TxLookupQueue for ENDPOINT_0 during htc_cleanup.

Change-Id: Ica661453d5cef283526cfa1e7267d5349b5e2310
CRs-Fixed: 2249980

htc/htc_send.c

@@ -2058,6 +2058,28 @@ void htc_flush_endpoint_tx(HTC_TARGET *target, HTC_ENDPOINT *pEndpoint,
 	UNLOCK_HTC_TX(target);
 }
 
+/* flush pending entries in endpoint TX Lookup queue */
+void htc_flush_endpoint_txlookupQ(HTC_TARGET *target,
+				  HTC_ENDPOINT_ID endpoint_id)
+{
+	HTC_PACKET *packet;
+	HTC_ENDPOINT *endpoint;
+
+	endpoint = &target->endpoint[endpoint_id];
+
+	if (!endpoint && endpoint->service_id == 0)
+		return;
+
+	while (HTC_PACKET_QUEUE_DEPTH(&endpoint->TxLookupQueue)) {
+		packet = htc_packet_dequeue(&endpoint->TxLookupQueue);
+
+		if (packet) {
+			packet->Status = QDF_STATUS_E_CANCELED;
+			send_packet_completion(target, packet);
+		}
+	}
+}
+
 /* HTC API to flush an endpoint's TX queue*/
 void htc_flush_endpoint(HTC_HANDLE HTCHandle, HTC_ENDPOINT_ID Endpoint,
 			HTC_TX_TAG Tag)