From da04cc3fcf0019c31c70a28301630157be98991f Mon Sep 17 00:00:00 2001
From: Arto Kinnunen <arto.kinnunen@arm.com>
Date: Thu, 20 Feb 2020 15:49:58 +0200
Subject: [PATCH] Update STM32 EMAC driver based on review

-Fix len type
-Use ETH_RX_BUF_SIZE instead of hard-coded value 1500
---
 features/netsocket/emac-drivers/TARGET_STM/stm32xx_emac.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/features/netsocket/emac-drivers/TARGET_STM/stm32xx_emac.cpp b/features/netsocket/emac-drivers/TARGET_STM/stm32xx_emac.cpp
index 943d7ec5c8..5e291692a9 100755
--- a/features/netsocket/emac-drivers/TARGET_STM/stm32xx_emac.cpp
+++ b/features/netsocket/emac-drivers/TARGET_STM/stm32xx_emac.cpp
@@ -520,7 +520,7 @@ error:
 int STM32_EMAC::low_level_input(emac_mem_buf_t **buf)
 #ifndef ETH_IP_VERSION_V2
 {
-    uint16_t len = 0;
+    uint32_t len = 0;
     uint8_t *buffer;
     __IO ETH_DMADescTypeDef *dmarxdesc;
     uint32_t bufferoffset = 0;
@@ -540,7 +540,7 @@ int STM32_EMAC::low_level_input(emac_mem_buf_t **buf)
 
     dmarxdesc = EthHandle.RxFrameInfos.FSRxDesc;
 
-    if (len > 0 && EthHandle.RxFrameInfos.length <= 1500) {
+    if (len > 0 && len <= ETH_RX_BUF_SIZE) {
         /* Allocate a memory buffer chain from buffer pool */
         *buf = memory_manager->alloc_pool(len, 0);
     }