From 0cdfdf4d6e4c7dbc36cb341e18e03989eb60d94e Mon Sep 17 00:00:00 2001
From: Manikandan Mohan <manikand@codeaurora.org>
Date: Wed, 15 Feb 2017 14:53:31 -0800
Subject: qcacld-3.0: Check for HDD context validity

Check for HDD context validity for SAP Net dev stop ioctl to
resolve crash during SSR.

Change-Id: I09c57da5db4b072a8066f3c2b22c748cd79c293c
CRs-fixed: 2007350
---
 core/hdd/src/wlan_hdd_hostapd.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/core/hdd/src/wlan_hdd_hostapd.c b/core/hdd/src/wlan_hdd_hostapd.c
index 33244a0bab62..01443fb67f76 100644
--- a/core/hdd/src/wlan_hdd_hostapd.c
+++ b/core/hdd/src/wlan_hdd_hostapd.c
@@ -303,13 +303,12 @@ static int __hdd_hostapd_stop(struct net_device *dev)
 	hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
 	hdd_context_t *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
 	ptSapContext sap_ctx = adapter->sessionCtx.ap.sapContext;
+	int ret;
 
 	ENTER_DEV(dev);
-
-	if (NULL == hdd_ctx) {
-		hdd_info("%pS HDD context is Null", (void *)_RET_IP_);
-		return -ENODEV;
-	}
+	ret = wlan_hdd_validate_context(hdd_ctx);
+	if (ret)
+		return ret;
 
 	if (!sap_ctx) {
 		hdd_err("invalid sap ctx : %p", sap_ctx);
-- 
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