From 9bd8152057ba9f0376fdd2ad28ad13bc543c00ae Mon Sep 17 00:00:00 2001
From: Alok Kumar <alokkuma@codeaurora.org>
Date: Wed, 30 May 2018 13:07:13 +0530
Subject: [PATCH] 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.c          |  2 ++
 htc/htc_internal.h |  3 +++
 htc/htc_send.c     | 22 ++++++++++++++++++++++
 3 files changed, 27 insertions(+)

diff --git a/htc/htc.c b/htc/htc.c
index 201c818495..17080cdd88 100644
--- a/htc/htc.c
+++ b/htc/htc.c
@@ -187,6 +187,8 @@ static void htc_cleanup(HTC_TARGET *target)
 	}
 #endif
 
+	htc_flush_endpoint_txlookupQ(target, ENDPOINT_0);
+
 	qdf_spinlock_destroy(&target->HTCLock);
 	qdf_spinlock_destroy(&target->HTCRxLock);
 	qdf_spinlock_destroy(&target->HTCTxLock);
diff --git a/htc/htc_internal.h b/htc/htc_internal.h
index 068777e205..cdd387a529 100644
--- a/htc/htc_internal.h
+++ b/htc/htc_internal.h
@@ -296,6 +296,9 @@ void free_htc_packet_container(HTC_TARGET *target, HTC_PACKET *pPacket);
 void htc_flush_rx_hold_queue(HTC_TARGET *target, HTC_ENDPOINT *pEndpoint);
 void htc_flush_endpoint_tx(HTC_TARGET *target, HTC_ENDPOINT *pEndpoint,
 			   HTC_TX_TAG Tag);
+void htc_flush_endpoint_txlookupQ(HTC_TARGET *target,
+				  HTC_ENDPOINT_ID endpoint_id);
+
 void htc_recv_init(HTC_TARGET *target);
 QDF_STATUS htc_wait_recv_ctrl_message(HTC_TARGET *target);
 void htc_free_control_tx_packet(HTC_TARGET *target, HTC_PACKET *pPacket);
diff --git a/htc/htc_send.c b/htc/htc_send.c
index 75d5f2f59a..c58b37c109 100644
--- a/htc/htc_send.c
+++ b/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)