commit 1b4ab9a60cac8013506822c2cd937eeae1ecbf67
author c_manjee <c_manjee@qti.qualcomm.com> Wed Oct 26 11:36:55 2016 +0530
committer Anjaneedevi Kapparapu <akappa@codeaurora.org> Wed Oct 26 16:47:24 2016 +0530
tree 3de7cd1ac7a80bcd66d1a6cfdaa4d9dd553985a9
parent abe6c43f200a914ccb27cb1550215300610bd651

prima: Validate Adapter in scan done callback

From static analysis it is found that adapter is not being
validated before being accessed.This can lead to null pointer exception
during corner cases.
Do NULL check for Adapter before accessing.

Change-Id: I8abec02d3cf546c1e7790c3f7dfaff9ac373ff6d
CRs-Fixed: 1082363

CORE/HDD/src/wlan_hdd_cfg80211.c

diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index 0e5ed0d..961162c 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -12694,6 +12694,11 @@
 
     ENTER();
 
+    if (!pAdapter || pAdapter->magic != WLAN_HDD_ADAPTER_MAGIC ||
+        !pAdapter->dev) {
+        hddLog(VOS_TRACE_LEVEL_ERROR, FL("Adapter is not valid"));
+        return 0;
+    }
     pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
     if (NULL == pHddCtx) {
         hddLog(VOS_TRACE_LEVEL_ERROR, FL("HDD context is Null"));