From abaf6736eb9f8a61bf0e35a54be67bb33c97b8d3 Mon Sep 17 00:00:00 2001
From: Houston Hoffman <hhoffman@codeaurora.org>
Date: Tue, 27 Sep 2016 22:50:40 -0700
Subject: [PATCH] qcacld-3.0: Reset skb->cb when forwarding intrabss packets

skb->cb has different meaning for rx & tx packets. Reset the
cb to avoid mis-interpretation of the data that leads to
eratic misbehavior the least of which is failure to forward
packets.

Change-Id: I5d1396c70cd93d165aa825c4408ad46d082693f3
CRs-Fixed: 1065769
---
 core/dp/txrx/ol_rx_fwd.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/dp/txrx/ol_rx_fwd.c b/core/dp/txrx/ol_rx_fwd.c
index 65af905ee306..31ca346de900 100644
--- a/core/dp/txrx/ol_rx_fwd.c
+++ b/core/dp/txrx/ol_rx_fwd.c
@@ -132,6 +132,10 @@ static inline void ol_rx_fwd_to_tx(struct ol_txrx_vdev_t *vdev, qdf_nbuf_t msdu)
 							    rx_desc));
 		}
 
+	/* Clear the msdu control block as it will be re-interpreted */
+	qdf_mem_set(msdu->cb, sizeof(msdu->cb), 0);
+	/* update any cb field expected by OL_TX_SEND */
+
 	msdu = OL_TX_SEND(vdev, msdu);
 
 	if (msdu) {