diff --git a/drivers/net/wireless/qcacld-2.0/CORE/MAC/src/pe/sch/schBeaconGen.c b/drivers/net/wireless/qcacld-2.0/CORE/MAC/src/pe/sch/schBeaconGen.c
index c8a01779ad85..12b56271e1e7 100644
--- a/drivers/net/wireless/qcacld-2.0/CORE/MAC/src/pe/sch/schBeaconGen.c
+++ b/drivers/net/wireless/qcacld-2.0/CORE/MAC/src/pe/sch/schBeaconGen.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2016 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2016, 2019 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -810,6 +810,12 @@ void writeBeaconToMemory(tpAniSirGlobal pMac, tANI_U16 size, tANI_U16 length, tp
     // copy end of beacon only if length > 0
     if (length > 0)
     {
+        if (size + psessionEntry->schBeaconOffsetEnd > SCH_MAX_BEACON_SIZE) {
+            schLog(pMac, LOGE,
+                   FL("beacon template fail size %d BeaconOffsetEnd %d"),
+                   size, psessionEntry->schBeaconOffsetEnd);
+            return;
+        }
         for (i=0; i < psessionEntry->schBeaconOffsetEnd; i++)
             psessionEntry->pSchBeaconFrameBegin[size++] = psessionEntry->pSchBeaconFrameEnd[i];
     }