commit c75726dfda0cd2467e9a9a15c48b10c2832f1e17
author Abhishek Singh <absingh@qti.qualcomm.com> Mon Apr 13 14:44:14 2015 +0530
committer Satyanarayana Dash <c_sadash@qti.qualcomm.com> Tue Apr 14 16:18:29 2015 +0530
tree 2702095f1d4d65c7672914aa1886815e4aa78163
parent 0104636040de707462c2ae984b34ece65f265bb3

wlan: Remove kmalloc while parsing the beacon and probe resp.

While parsing the beacon and probe response, driver uses kmalloc
which may cause the MC thread to sleep in low memory resource.
Removed these kmalloc and replace them with vmalloc.
Also add the mac trace at start and end of the processing of
beacons.

CRs-Fixed: 815198
Change-Id: I93e0847c3a6a9281c0579aa565eede7d4fc799b1

CORE/MAC/src/pe/lim/limProcessBeaconFrame.c

diff --git a/CORE/MAC/src/pe/lim/limProcessBeaconFrame.c b/CORE/MAC/src/pe/lim/limProcessBeaconFrame.c
index 8e48abc..de765b2 100644
--- a/CORE/MAC/src/pe/lim/limProcessBeaconFrame.c
+++ b/CORE/MAC/src/pe/lim/limProcessBeaconFrame.c
@@ -106,7 +106,7 @@
         || pMac->fScanOffload
         )
     {
-        pBeacon = vos_mem_malloc(sizeof(tSchBeaconStruct));
+        pBeacon = vos_mem_vmalloc(sizeof(tSchBeaconStruct));
         if ( NULL == pBeacon )
         {
             limLog(pMac, LOGE, FL("Unable to allocate memory in limProcessBeaconFrame") );
@@ -127,7 +127,7 @@
                (sirCompareMacAddr( psessionEntry->bssId, pHdr->sa)))
                 limParseBeaconForTim(pMac, (tANI_U8 *) pRxPacketInfo, psessionEntry);
 
-            vos_mem_free(pBeacon);
+            vos_mem_vfree(pBeacon);
             return;
         }
         /*during scanning, when any session is active, and beacon/Pr belongs to
@@ -191,7 +191,7 @@
              // STA in WT_JOIN_BEACON_STATE (IBSS)
             limCheckAndAnnounceJoinSuccess(pMac, pBeacon, pHdr,psessionEntry);
         } // if (pMac->lim.gLimMlmState == eLIM_MLM_WT_PROBE_RESP_STATE)
-        vos_mem_free(pBeacon);
+        vos_mem_vfree(pBeacon);
     } // if ((pMac->lim.gLimMlmState == eLIM_MLM_WT_PROBE_RESP_STATE) || ...
     else
     {
@@ -264,7 +264,7 @@
         (pMac->lim.gLimMlmState == eLIM_MLM_PASSIVE_SCAN_STATE) ||
         (pMac->lim.gLimMlmState == eLIM_MLM_LEARN_STATE))
     {
-        pBeacon = vos_mem_malloc(sizeof(tSchBeaconStruct));
+        pBeacon = vos_mem_vmalloc(sizeof(tSchBeaconStruct));
         if ( NULL == pBeacon )
         {
             limLog(pMac, LOGE, FL("Unable to allocate memory in limProcessBeaconFrameNoSession") );
@@ -276,7 +276,7 @@
             // Received wrongly formatted/invalid Beacon. Ignore and move on. 
             limLog(pMac, LOGW, FL("Received invalid Beacon in global MLM state %d"), pMac->lim.gLimMlmState);
             limPrintMlmState(pMac, LOGW,  pMac->lim.gLimMlmState);
-            vos_mem_free(pBeacon);
+            vos_mem_vfree(pBeacon);
             return;
         }
 
@@ -293,7 +293,7 @@
         else if (pMac->lim.gLimMlmState == eLIM_MLM_LEARN_STATE)
         {
         }  // end of eLIM_MLM_LEARN_STATE)       
-        vos_mem_free(pBeacon);
+        vos_mem_vfree(pBeacon);
     } // end of (eLIM_MLM_WT_PROBE_RESP_STATE) || (eLIM_MLM_PASSIVE_SCAN_STATE)
     else
     {