From c533202e260764c287f6178085c7e875695ee6fc Mon Sep 17 00:00:00 2001
From: SaidiReddy Yenuga <saidir@codeaurora.org>
Date: Tue, 28 Mar 2017 17:16:48 +0530
Subject: [PATCH] qcacld-3.0: Validate NLA attr in
 hdd_extscan_epno_fill_network_list

NLA attribute
QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORKS_LIST
used without validation.

validate NLA attribute.

CRs-Fixed: 2025680
Change-Id: I4da7dbe44325b0ed6346b363b71b558250996f8c
---
 core/hdd/src/wlan_hdd_ext_scan.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/core/hdd/src/wlan_hdd_ext_scan.c b/core/hdd/src/wlan_hdd_ext_scan.c
index e71a3f658bd5..e69818655ef4 100644
--- a/core/hdd/src/wlan_hdd_ext_scan.c
+++ b/core/hdd/src/wlan_hdd_ext_scan.c
@@ -3728,6 +3728,11 @@ static int hdd_extscan_epno_fill_network_list(
 
 	expected_networks = req_msg->num_networks;
 	index = 0;
+
+	if (!tb[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORKS_LIST]) {
+		hdd_err("attr networks list failed");
+		return -EINVAL;
+	}
 	nla_for_each_nested(networks,
 			    tb[QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORKS_LIST],
 			    rem1) {