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Merge pull request #12516 from artokin/stm32_emac_driver_to_feature_wisun 

[feature-wisun] Update STM32 EMAC driver - limit RX frame length
pull/12656/head
Arto Kinnunen 2020-02-28 14:00:07 +02:00 committed by GitHub
parent 6ba4c9a94b c4fe17cc91
commit b512574f41
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
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4
features/netsocket/emac-drivers/TARGET_STM/stm32xx_emac.cpp Normal file → Executable file
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@ -526,7 +526,7 @@ 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;
@ -546,7 +546,7 @@ int STM32_EMAC::low_level_input(emac_mem_buf_t **buf)
dmarxdesc = EthHandle.RxFrameInfos.FSRxDesc;
if (len > 0) {
if (len > 0 && len <= ETH_RX_BUF_SIZE) {
/* Allocate a memory buffer chain from buffer pool */
*buf = memory_manager->alloc_pool(len, 0);
}