--- a/src/common/drv_dsl_cpe_os_linux.c
+++ b/src/common/drv_dsl_cpe_os_linux.c
@@ -54,7 +54,7 @@ static int DSL_DRV_Release(DSL_DRV_inode
 
 static DSL_uint_t DSL_DRV_Poll(DSL_DRV_file_t *pFile, DSL_DRV_Poll_Table_t *wait);
 
-#ifdef INCLUDE_DSL_CPE_DEBUG_LOGGER_SUPPORT
+#if defined(INCLUDE_DSL_CPE_DEBUG_LOGGER_SUPPORT) && !defined(DSL_DEBUG_DISABLE)
 static void DSL_DRV_NlSendMsg(DSL_char_t* pMsg);
 #endif
 
@@ -368,10 +368,10 @@ int DSL_DRV_debug_printf(DSL_Context_t c
 {
    DSL_int_t nRet = 0;
 #ifndef _lint
-   DSL_int_t nLength = 0;
-   DSL_boolean_t bPrint = DSL_FALSE;
 #ifdef INCLUDE_DSL_CPE_DEBUG_LOGGER_SUPPORT
 #ifndef DSL_DEBUG_DISABLE
+   DSL_int_t nLength = 0;
+   DSL_boolean_t bPrint = DSL_FALSE;
    DSL_char_t debugString[DSL_DBG_MAX_DEBUG_PRINT_CHAR + 1] = {0};
    va_list ap;   /* points to each unnamed arg in turn */
 
@@ -406,6 +406,8 @@ int DSL_DRV_debug_printf(DSL_Context_t c
 #endif /* DSL_DEBUG_DISABLE */
    return nRet;
 #else
+   DSL_int_t nLength = 0;
+   DSL_boolean_t bPrint = DSL_FALSE;
    DSL_char_t msg[DSL_DBG_MAX_DEBUG_PRINT_CHAR + 1] = "\0";
    va_list ap;   /* points to each unnamed arg in turn */
 
@@ -1172,7 +1174,7 @@ static void DSL_DRV_DebugInit(void)
    return;
 }
 
-#ifdef INCLUDE_DSL_CPE_DEBUG_LOGGER_SUPPORT
+#if defined(INCLUDE_DSL_CPE_DEBUG_LOGGER_SUPPORT) && !defined(DSL_DEBUG_DISABLE)
 static void DSL_DRV_NlSendMsg(DSL_char_t* pMsg)
 {
    struct nlmsghdr *pNlMsgHdr;
@@ -1261,7 +1263,7 @@ void __exit DSL_ModuleCleanup(void)
    printk("Module will be unloaded"DSL_DRV_CRLF);
 
    device_destroy(dsl_class, dsl_devt);
-   dsl_devt = NULL;
+   dsl_devt = 0;
    class_destroy(dsl_class);
    dsl_class = NULL;
 
--- a/src/device/drv_dsl_cpe_msg_vrx.c
+++ b/src/device/drv_dsl_cpe_msg_vrx.c
@@ -2456,32 +2456,32 @@ DSL_Error_t DSL_DRV_VRX_SendMsgSnrPerGro
 #endif /* defined(INCLUDE_DSL_G997_PER_TONE) || defined(INCLUDE_DSL_DELT)*/
 
 #ifdef INCLUDE_DSL_DELT
-static DSL_Error_t DSL_DRV_VRX_SpreadArray(
-   DSL_void_t* pArray,
-   DSL_uint16_t valueSize,
-   DSL_uint16_t valueCount,
-   DSL_uint16_t multiplier)
-{
-   DSL_void_t* pSrc = pArray + valueSize * (valueCount - 1);
-   DSL_void_t* pDst = pArray + valueSize * (valueCount*multiplier - 1);
-
-   if (pArray == DSL_NULL)
-   {
-      return DSL_ERROR;
-   }
-
-   for (; valueCount; --valueCount, pSrc -= valueSize)
-   {
-      DSL_uint16_t i;
-
-      for ( i = multiplier; i; --i, pDst -= valueSize)
-      {
-         memcpy(pDst,pSrc,valueSize);
-      }
-   }
+// static DSL_Error_t DSL_DRV_VRX_SpreadArray(
+//    DSL_void_t* pArray,
+//    DSL_uint16_t valueSize,
+//    DSL_uint16_t valueCount,
+//    DSL_uint16_t multiplier)
+// {
+//    DSL_void_t* pSrc = pArray + valueSize * (valueCount - 1);
+//    DSL_void_t* pDst = pArray + valueSize * (valueCount*multiplier - 1);
+
+//    if (pArray == DSL_NULL)
+//    {
+//       return DSL_ERROR;
+//    }
+
+//    for (; valueCount; --valueCount, pSrc -= valueSize)
+//    {
+//       DSL_uint16_t i;
+
+//       for ( i = multiplier; i; --i, pDst -= valueSize)
+//       {
+//          memcpy(pDst,pSrc,valueSize);
+//       }
+//    }
 
-   return DSL_SUCCESS;
-}
+//    return DSL_SUCCESS;
+// }
 
 /**
    This function requests a set of up to 60 entries of the DELT data.
--- a/src/device/drv_dsl_cpe_device_vrx.c
+++ b/src/device/drv_dsl_cpe_device_vrx.c
@@ -3356,7 +3356,9 @@ static DSL_Error_t DSL_DRV_VRX_TestParam
    DSL_Error_t nErrCode = DSL_SUCCESS;
    DSL_uint16_t i = 0;
    DSL_uint16_t nDataLen = 0;
+#ifndef DSL_DEBUG_DISABLE
    DSL_uint16_t nMsgId = EVT_PMD_TESTPARAMSGET;
+#endif /* DSL_DEBUG_DISABLE */
 
    DSL_DEBUG( DSL_DBG_MSG,
       (pContext, SYS_DBG_MSG"DSL[%02d]: IN - DSL_DRV_VRX_TestParametersFeUpdate"
@@ -8312,6 +8314,7 @@ DSL_Error_t DSL_DRV_DEV_AutobootHandleTr
             (pContext, SYS_DBG_MSG"DSL[%02d]: ORDERLY_SHUTDOWN state reached"
             DSL_DRV_CRLF, DSL_DEV_NUM(pContext)));
          /* do not use break here, continue handling */
+         fallthrough;
 #endif /* INCLUDE_DSL_CPE_API_VRX */
       case DSL_LINESTATE_EXCEPTION:
          if (!bPreFail)