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/SYS/legacy/src/utils/src/parserApi.c

diff --git a/CORE/SYS/legacy/src/utils/src/parserApi.c b/CORE/SYS/legacy/src/utils/src/parserApi.c
index c3f7969..66b381e 100644
--- a/CORE/SYS/legacy/src/utils/src/parserApi.c
+++ b/CORE/SYS/legacy/src/utils/src/parserApi.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2014 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2015 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -2088,7 +2088,7 @@
     // Ok, zero-init our [out] parameter,
     vos_mem_set( ( tANI_U8* )pProbeResp, sizeof(tSirProbeRespBeacon), 0 );
 
-    pr = vos_mem_malloc(sizeof(tDot11fProbeResponse));
+    pr = vos_mem_vmalloc(sizeof(tDot11fProbeResponse));
     if ( NULL == pr )
         status = eHAL_STATUS_FAILURE;
     else
@@ -2108,7 +2108,7 @@
         limLog(pMac, LOGE, FL("Failed to parse a Probe Response (0x%08x, %d bytes):\n"),
                   status, nFrame);
         PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pFrame, nFrame);)
-        vos_mem_free(pr);
+        vos_mem_vfree(pr);
         return eSIR_FAILURE;
     }
     else if ( DOT11F_WARNED( status ) )
@@ -2321,7 +2321,7 @@
         vos_mem_copy( &pProbeResp->VHTExtBssLoad, &pr->VHTExtBssLoad, sizeof( tDot11fIEVHTExtBssLoad) );
     }
 #endif
-    vos_mem_free(pr);
+    vos_mem_vfree(pr);
     return eSIR_SUCCESS;
 
 } // End sirConvertProbeFrame2Struct.
@@ -3442,7 +3442,7 @@
     // Zero-init our [out] parameter,
     vos_mem_set( ( tANI_U8* )pBeaconStruct, sizeof(tSirProbeRespBeacon), 0 );
 
-    pBeacon = vos_mem_malloc(sizeof(tDot11fBeacon));
+    pBeacon = vos_mem_vmalloc(sizeof(tDot11fBeacon));
     if ( NULL == pBeacon )
         status = eHAL_STATUS_FAILURE;
     else
@@ -3465,7 +3465,7 @@
         limLog(pMac, LOGE, FL("Failed to parse Beacon IEs (0x%08x, %d bytes):\n"),
                   status, nPayload);
         PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pPayload, nPayload);)
-        vos_mem_free(pBeacon);
+        vos_mem_vfree(pBeacon);
         return eSIR_FAILURE;
     }
     else if ( DOT11F_WARNED( status ) )
@@ -3725,7 +3725,7 @@
                      &pBeacon->OBSSScanParameters,
                      sizeof( tDot11fIEOBSSScanParameters));
     }
-    vos_mem_free(pBeacon);
+    vos_mem_vfree(pBeacon);
     return eSIR_SUCCESS;
 
 } // End sirConvertBeaconFrame2Struct.