freemodbuss: fix event processing after merge

components/freemodbus/modbus/mb_m.c

@@ -324,6 +324,7 @@ eMBMasterPoll( void )
      * Otherwise we will handle the event. */
     if ( xMBMasterPortEventGet( &eEvent ) == TRUE )
     {
+        while( eEvent ) {
             // In some cases it is possible that more than one event set
             // together (even from one subset mask) than process them consistently
             if ( MB_PORT_CHECK_EVENT( eEvent, EV_MASTER_READY ) ) {
@@ -354,7 +355,6 @@ eMBMasterPoll( void )
                     ( void ) xMBMasterPortEventPost( EV_MASTER_EXECUTE );
                     ESP_LOGD(MB_PORT_TAG, "%s: Packet data received successfully (%u).", __func__, eStatus);
                     ESP_LOG_BUFFER_HEX_LEVEL("POLL receive buffer", (void*)ucMBFrame, (uint16_t)usLength, ESP_LOG_DEBUG);
-                ( void ) xMBMasterPortEventPost( EV_MASTER_EXECUTE );
                 }
                 else
                 {
@@ -453,11 +453,6 @@ eMBMasterPoll( void )
                 MB_PORT_CLEAR_EVENT( eEvent, EV_MASTER_ERROR_PROCESS );
                 vMBMasterRunResRelease( );
             }
-        if ( eEvent ) {
-            // Event processing is done, but some poll events still set then
-            // postpone its processing for next poll cycle (rare case).
-            ESP_LOGW( MB_PORT_TAG, "%s: Postpone event %x.", __func__, eEvent );
-            ( void ) xMBMasterPortEventPost( eEvent );
         }
     } else {
         // Something went wrong and task unblocked but there are no any correct events set