From 028f0696bea7471ac453288006e405d2a67ff9a8 Mon Sep 17 00:00:00 2001
From: "Poddar, Siddarth" <siddpodd@codeaurora.org>
Date: Thu, 12 Jan 2017 18:40:24 +0530
Subject: [PATCH] qcacmn: Add cookie to tso seg structure to debug double mem
 free

Add a field in qdf_tso_seg_t. This cookie helps to check in case of
double memory free case. When double mem free hits, it will result into
qdf_assert.

Change-Id: I3c60f2603bce23b47224ae9a5d88881c2fbb8e01
CRs-Fixed: 1102423
---
 qdf/inc/qdf_types.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/qdf/inc/qdf_types.h b/qdf/inc/qdf_types.h
index c588f529642b..1274d505f107 100644
--- a/qdf/inc/qdf_types.h
+++ b/qdf/inc/qdf_types.h
@@ -454,6 +454,7 @@ struct qdf_tso_frag_t {
 };
 
 #define FRAG_NUM_MAX 6
+#define TSO_SEG_MAGIC_COOKIE 0x7EED
 
 /**
  * struct qdf_tso_flags_t - TSO specific flags
@@ -530,6 +531,8 @@ struct qdf_tso_seg_t {
  */
 struct qdf_tso_seg_elem_t {
 	struct qdf_tso_seg_t seg;
+	uint16_t cookie:15,
+		on_freelist:1;
 	struct qdf_tso_seg_elem_t *next;
 };