--- a/src/device/drv_dsl_cpe_device_vrx.c
+++ b/src/device/drv_dsl_cpe_device_vrx.c
@@ -8885,6 +8885,9 @@ 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)
--- a/src/pm/drv_dsl_cpe_pm_core.c
+++ b/src/pm/drv_dsl_cpe_pm_core.c
@@ -2355,15 +2355,19 @@ DSL_Error_t DSL_DRV_PM_CountersReset(
       }
 #endif /* #ifdef INCLUDE_DSL_CPE_PM_HISTORY*/
 
-   if (ResetType == DSL_PM_RESET_HISTORY)
-      break;
+      if (ResetType == DSL_PM_RESET_HISTORY)
+         break;
+
+      fallthrough;
 
    case DSL_PM_RESET_TOTAL:
 #ifdef INCLUDE_DSL_CPE_PM_TOTAL_COUNTERS
       memset(EpData.pRecTotal, nFillValue, EpData.nEpRecElementSize);
 #endif /* #ifdef INCLUDE_DSL_CPE_PM_TOTAL_COUNTERS*/
-   if (ResetType == DSL_PM_RESET_TOTAL)
-      break;
+      if (ResetType == DSL_PM_RESET_TOTAL)
+         break;
+
+      fallthrough;
 
    case DSL_PM_RESET_HISTORY_SHOWTIME:
 #ifdef INCLUDE_DSL_CPE_PM_SHOWTIME_COUNTERS
--- a/src/common/drv_dsl_cpe_api.c
+++ b/src/common/drv_dsl_cpe_api.c
@@ -2653,6 +2653,8 @@ DSL_Error_t DSL_DRV_AutobootControlSet(
                /* no break */
                /* ... pass to restart*/
 
+               fallthrough;
+
 #if defined (DSL_VRX_DEVICE_VR11)
             case DSL_AUTOBOOT_CTRL_STOP_PD:
 #endif