prima: Send assoc reject upon failing to post ASSOC_IND

Currently, lim silently drops the association if it fails to
post ASSOC_IND due to some reason(e.g. invalid contents of
assoc request) and the MLM state is stuck in
eLIM_MLM_WT_ASSOC_CNF_STATE. Station context is not cleaned up
till the next association. Gracefully cleanup the association
in such failure cases.

Change-Id: I348a7d3ffc537cf89dc311da7bb9846e27635efe
CRs-Fixed: 2857049

drivers/staging/prima/CORE/MAC/src/pe/lim/limProcessAssocReqFrame.c

@@ -1501,7 +1501,7 @@ error:
 \param  pMac
 \param  *pStaDs - Station DPH hash entry
 \param  psessionEntry - PE session entry
-\return None
+\return tSirRetStatus
 
  * ?????? How do I get 
  *  - subtype   =====> psessionEntry->parsedAssocReq.reassocRequest
@@ -1511,7 +1511,7 @@ error:
  *  - pHdr->seqControl  =====> no longer needed
  *  - pStaDs
 ------------------------------------------------------------------*/
-void limSendMlmAssocInd(tpAniSirGlobal pMac, tpDphHashNode pStaDs, tpPESession psessionEntry)
+tSirRetStatus limSendMlmAssocInd(tpAniSirGlobal pMac, tpDphHashNode pStaDs, tpPESession psessionEntry)
 {
     tpLimMlmAssocInd        pMlmAssocInd = NULL;
     tpLimMlmReassocInd      pMlmReassocInd;
@@ -1550,7 +1550,7 @@ void limSendMlmAssocInd(tpAniSirGlobal pMac, tpDphHashNode pStaDs, tpPESession p
         {
             limReleasePeerIdx(pMac, pStaDs->assocId, psessionEntry);
             limLog(pMac, LOGP, FL("AllocateMemory failed for pMlmAssocInd"));
-            return;
+            return eSIR_MEM_ALLOC_FAILED;
         }
         vos_mem_set(pMlmAssocInd, temp ,0);
 
@@ -1603,7 +1603,7 @@ void limSendMlmAssocInd(tpAniSirGlobal pMac, tpDphHashNode pStaDs, tpPESession p
                 PELOGE(limLog(pMac, LOGE, FL("rsnIEdata index out of bounds %d"),
                                               pMlmAssocInd->rsnIE.length);)
                 vos_mem_free(pMlmAssocInd);
-                return;
+                return eSIR_FAILURE;
             }
             pMlmAssocInd->rsnIE.rsnIEdata[pMlmAssocInd->rsnIE.length] = SIR_MAC_WPA_EID;
             pMlmAssocInd->rsnIE.rsnIEdata[pMlmAssocInd->rsnIE.length + 1] = pAssocReq->wpa.length;
@@ -1674,7 +1674,7 @@ void limSendMlmAssocInd(tpAniSirGlobal pMac, tpDphHashNode pStaDs, tpPESession p
             limLog(pMac, LOGP, FL("call to AllocateMemory failed for "
                                   "pMlmReassocInd"));
             limReleasePeerIdx(pMac, pStaDs->assocId, psessionEntry);
-            return;
+            return eSIR_MEM_ALLOC_FAILED;
         }
         vos_mem_set(pMlmReassocInd, temp, 0);
 
@@ -1798,6 +1798,6 @@ void limSendMlmAssocInd(tpAniSirGlobal pMac, tpDphHashNode pStaDs, tpPESession p
         vos_mem_free(pMlmReassocInd);
     }
 
-    return;
+    return eSIR_SUCCESS;
 
 } /*** end limSendMlmAssocInd() ***/

drivers/staging/prima/CORE/MAC/src/pe/lim/limProcessMlmRspMessages.c

@@ -2518,7 +2518,13 @@ void limProcessBtAmpApMlmAddStaRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ,tpPES
      * 2) PE receives eWNI_SME_ASSOC_CNF from SME
      * 3) BTAMP-AP sends Re/Association Response to BTAMP-STA
      */
-    limSendMlmAssocInd(pMac, pStaDs, psessionEntry);
+    if (eSIR_SUCCESS != limSendMlmAssocInd(pMac, pStaDs, psessionEntry))
+        limRejectAssociation(pMac, pStaDs->staAddr,
+                 pStaDs->mlmStaContext.subType,
+                 true, pStaDs->mlmStaContext.authType,
+                 pStaDs->assocId, true,
+                 (tSirResultCodes) eSIR_MAC_UNSPEC_FAILURE_STATUS,
+                 psessionEntry);
     // fall though to reclaim the original Add STA Response message
 end:
     if( 0 != limMsgQ->bodyptr )

drivers/staging/prima/CORE/MAC/src/pe/lim/limTypes.h

@@ -664,7 +664,7 @@ tSirRetStatus limProcessAuthFrameNoSession(tpAniSirGlobal pMac, tANI_U8 *, void
 #endif
 
 void limProcessAssocReqFrame(tpAniSirGlobal, tANI_U8 *, tANI_U8, tpPESession);
-void limSendMlmAssocInd(tpAniSirGlobal pMac, tpDphHashNode pStaDs, tpPESession psessionEntry);
+tSirRetStatus limSendMlmAssocInd(tpAniSirGlobal pMac, tpDphHashNode pStaDs, tpPESession psessionEntry);
 
 
 void limProcessAssocRspFrame(tpAniSirGlobal, tANI_U8 *, tANI_U8,tpPESession);