commit 47ce6eacbf0eb6a1d72ab71203038c4228982ea4
author Praveen Kumar Sirisilla <c_pksiri@qca.qualcomm.com> Tue Sep 24 15:08:08 2013 -0700
committer Madan Mohan Koyyalamudi <mkoyya@qca.qualcomm.com> Wed Oct 02 15:05:00 2013 -0700
tree e8e55d1b2efaa29745486038438127f6f15eb5b2
parent 8a9343559645207fcd90a790497613925f67c717

Fix for crash while running rmmod of wlan driver in IBSS mode

During unloading wlan driver, pAdapter is not extracted for IBSS
mode and hence referring pAdapter pointer causes crash.

CRs-Fixed: 549029

Change-Id: I64d51df010aad89154d5b878712d39ef50dc112f

CORE/HDD/src/wlan_hdd_main.c

diff --git a/CORE/HDD/src/wlan_hdd_main.c b/CORE/HDD/src/wlan_hdd_main.c
index a76dc63..5a4e878 100644
--- a/CORE/HDD/src/wlan_hdd_main.c
+++ b/CORE/HDD/src/wlan_hdd_main.c
@@ -4913,6 +4913,8 @@
       {
          pAdapter = hdd_get_adapter(pHddCtx,
                                     WLAN_HDD_INFRA_STATION);
+         if (pAdapter == NULL)
+            pAdapter = hdd_get_adapter(pHddCtx, WLAN_HDD_IBSS);
       }
    }
    /* DeRegister with platform driver as client for Suspend/Resume */
@@ -4942,7 +4944,11 @@
    // we are about to Request Full Power, and since that is synchronized,
    // the expectation is that by the time Request Full Power has completed,
    // all scans will be cancelled.
-   hdd_abort_mac_scan( pHddCtx, pAdapter->sessionId);
+   if (NULL != pAdapter)
+      hdd_abort_mac_scan( pHddCtx, pAdapter->sessionId);
+   else
+       hddLog(VOS_TRACE_LEVEL_ERROR,
+           "%s: pAdapter is NULL, cannot Abort scan", __func__);
 
    //Stop the traffic monitor timer
    if ( VOS_TIMER_STATE_RUNNING ==