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CM3DS: fix a minor bug in the ethernet LWIP driver 

This patch fixes a memory bug. `eth_arch_enetif_init` method call
would attempt to write to un-initialized area of memory.

Change-Id: I9881de71d58fa14db609fe3e24617a210b896471
Signed-off-by: Galanakis, Minos <minos.galanakis@arm.com>
pull/6167/head
Galanakis, Minos 2017-11-27 09:46:30 +00:00 committed by Hugues de Valon
parent ccff46d9a3
commit 5b8ff81e02
1 changed files with 4 additions and 4 deletions
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8
features/FEATURE_LWIP/lwip-interface/lwip-eth/arch/TARGET_CM3DS_MPS2/mps2_emac.c
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@ -1,5 +1,5 @@
/* mbed Microcontroller Library /* mbed Microcontroller Library
* Copyright (c) 2017 ARM Limited * Copyright (c) 2017-2018 ARM Limited
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@ -316,16 +316,16 @@ err_t eth_arch_enetif_init(struct netif *netif)
err_t error = ERR_OK; err_t error = ERR_OK;
struct ethernetif *ethernetif; struct ethernetif *ethernetif;
ethernetif->is_enabled = 0;
LWIP_ASSERT("netif != NULL", (netif != NULL)); LWIP_ASSERT("netif != NULL", (netif != NULL));
ethernetif = mem_malloc(sizeof(struct ethernetif)); ethernetif = mem_malloc(sizeof(struct ethernetif));
if (ethernetif == NULL) { if (ethernetif == NULL) {
LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_init: out of memory\n")); LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_init: out of memory\n"));
return ERR_MEM; return ERR_MEM;
} }
ethernetif->is_enabled = 0;
#if LWIP_NETIF_HOSTNAME #if LWIP_NETIF_HOSTNAME
/* Initialize interface hostname */ /* Initialize interface hostname */
netif->hostname = HOSTNAME_STRING; netif->hostname = HOSTNAME_STRING;