ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge pull request #12457 from artokin/update_stm32_emac_ethernet_driver 

Update STM32 EMAC driver - limit RX frame length
pull/12533/head
Martin Kojtal 2020-02-28 08:45:24 +00:00 committed by GitHub
parent 1f36b1cf09 da04cc3fcf
commit 1bf93039fb
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
features/netsocket/emac-drivers/TARGET_STM/stm32xx_emac.cpp Normal file → Executable file
View File

@ -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) {
if (len > 0 && len <= ETH_RX_BUF_SIZE) {
/* Allocate a memory buffer chain from buffer pool */
*buf = memory_manager->alloc_pool(len, 0);
}