From ba931bc2dc31dd36e68c1e1f1da35c6f61a82b6d Mon Sep 17 00:00:00 2001
From: tony-josi-aws <tonyjosi@amazon.com>
Date: Tue, 6 May 2025 11:58:24 +0530
Subject: [PATCH] Fix ARP lookups for gateway address when destination is
 outside of subnet

---
 source/FreeRTOS_UDP_IPv4.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/source/FreeRTOS_UDP_IPv4.c b/source/FreeRTOS_UDP_IPv4.c
index 2fceed8a95..d5fde02476 100644
--- a/source/FreeRTOS_UDP_IPv4.c
+++ b/source/FreeRTOS_UDP_IPv4.c
@@ -273,8 +273,7 @@ void vProcessGeneratedUDPPacket_IPv4( NetworkBufferDescriptor_t * const pxNetwor
 
             /* 'ulIPAddress' might have become the address of the Gateway.
              * Find the route again. */
-
-            pxNetworkBuffer->pxEndPoint = FreeRTOS_FindEndPointOnNetMask( pxNetworkBuffer->xIPAddress.ulIP_IPv4 );
+            pxNetworkBuffer->pxEndPoint = FreeRTOS_FindEndPointOnNetMask( ulIPAddress );
 
             if( pxNetworkBuffer->pxEndPoint == NULL )
             {