commit 2b9f15657186f1186c152a98b87b1df242f8b963
author Hanumantha Reddy Pothula <c_hpothu@qti.qualcomm.com> Wed Feb 25 13:38:29 2015 +0530
committer Satyanarayana Dash <c_sadash@qti.qualcomm.com> Wed Feb 25 21:19:43 2015 +0530
tree 9297afa06358a0edb909be3f0c1227c4c1a0f788
parent 07050f5e7d2bab52196773b15dda470c05dae697

wlan: Validate adapter's magic number before accessing it.

In hdd_softap_tx_complete_cbk() add check to validate adapter's
magic number before accessing adapter context.

Change-Id: I5fbb0ec03db5dca33fb94f37edb0a202e424bfac
CRs-Fixed: 799951

CORE/HDD/src/wlan_hdd_softap_tx_rx.c

diff --git a/CORE/HDD/src/wlan_hdd_softap_tx_rx.c b/CORE/HDD/src/wlan_hdd_softap_tx_rx.c
index c39bd0a..a182f9e 100644
--- a/CORE/HDD/src/wlan_hdd_softap_tx_rx.c
+++ b/CORE/HDD/src/wlan_hdd_softap_tx_rx.c
@@ -1108,10 +1108,10 @@
 
    //Get the Adapter context.
    pAdapter = (hdd_adapter_t *)netdev_priv(((struct sk_buff *)pOsPkt)->dev);
-   if(pAdapter == NULL)
+   if((pAdapter == NULL) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic))
    {
       VOS_TRACE( VOS_MODULE_ID_HDD_SAP_DATA, VOS_TRACE_LEVEL_ERROR,
-                 "%s: HDD adapter context is Null", __func__);
+                 "%s: HDD adapter context is invalid", __func__);
    }
    else
    {