From 0811d8287764c3d0154c1b092d13fa61b1f0ad25 Mon Sep 17 00:00:00 2001
From: Nirav Shah <nnshah@codeaurora.org>
Date: Sat, 13 Apr 2019 22:43:29 +0530
Subject: [PATCH] qcacmn: Fix multiple unmap of same netbuf

Clear HTC_TX_PACKET_FLAG_FIXUP_NETBUF flag in
hif_send_head failure scenario to avoid
multiple unamap of same netbuf.

Change-Id: Id7f6aeba1eff0d23b76927fcbb03643409fc7859
CRs-Fixed: 2437034
---
 htc/htc_send.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/htc/htc_send.c b/htc/htc_send.c
index cac5988aea..57106b7148 100644
--- a/htc/htc_send.c
+++ b/htc/htc_send.c
@@ -635,10 +635,13 @@ static QDF_STATUS htc_issue_packets(HTC_TARGET *target,
 			}
 
 			/* only unmap if we mapped in this function */
-			if (IS_TX_CREDIT_FLOW_ENABLED(pEndpoint))
+			if (IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) {
 				qdf_nbuf_unmap(target->osdev,
 					GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket),
 					QDF_DMA_TO_DEVICE);
+				pPacket->PktInfo.AsTx.Flags &=
+					~HTC_TX_PACKET_FLAG_FIXUP_NETBUF;
+			}
 
 			if (!pEndpoint->async_update) {
 				LOCK_HTC_TX(target);