commit 9f316c246baafa15c542a5aea81a94f26e3d6507

[freertos] / FreeRTOS-Plus / Source / FreeRTOS-Plus-TCP / FreeRTOS_UDP_IP.c

diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/FreeRTOS_UDP_IP.c b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/FreeRTOS_UDP_IP.c
index 14ae96e6480b14e8f9a0faf1c6294aa751b62241..6d67c113a4fe79242c5a8b2cbd637cbad2a947c6 100644 (file)
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/FreeRTOS_UDP_IP.c
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/FreeRTOS_UDP_IP.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.0
+ * FreeRTOS+TCP V2.2.1
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
@@ -280,7 +280,8 @@ UDPPacket_t *pxUDPPacket = (UDPPacket_t *) pxNetworkBuffer->pucEthernetBuffer;
                                destinationAddress.sin_port = usPort;
                                destinationAddress.sin_addr = pxUDPPacket->xIPHeader.ulDestinationIPAddress;
 
-                               if( xHandler( ( Socket_t ) pxSocket, ( void* ) pcData, ( size_t ) pxNetworkBuffer->xDataLength,
+                               /* The value of 'xDataLength' was proven to be at least the size of a UDP packet in prvProcessIPPacket(). */
+                               if( xHandler( ( Socket_t ) pxSocket, ( void* ) pcData, ( size_t ) ( pxNetworkBuffer->xDataLength - ipUDP_PAYLOAD_OFFSET_IPv4 ),
                                        &xSourceAddress, &destinationAddress ) )
                                {
                                        xReturn = pdFAIL; /* FAIL means that we did not consume or release the buffer */