From 3572ec784d20a55c8a07b299e414c1748b607ebb Mon Sep 17 00:00:00 2001
From: jifl <jifl>
Date: Fri, 18 Jan 2008 19:45:15 +0000
Subject: [PATCH] Fix simple compilation error with some compilers to preserve
 const-ness of ethaddr - from Luca Ceresoli

---
 src/netif/etharp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/netif/etharp.c b/src/netif/etharp.c
index 4631a6a6..a8fd64fc 100644
--- a/src/netif/etharp.c
+++ b/src/netif/etharp.c
@@ -625,7 +625,7 @@ etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p)
   u8_t i;
   u8_t for_us;
 #if LWIP_AUTOIP
-  u8_t * ethdst_hwaddr;
+  const u8_t * ethdst_hwaddr;
 #endif /* LWIP_AUTOIP */
 
   LWIP_ERROR("netif != NULL", (netif != NULL), return;);
@@ -1039,7 +1039,7 @@ etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr,
   u8_t k; /* ARP entry index */
   struct etharp_hdr *hdr;
 #if LWIP_AUTOIP
-  u8_t * ethdst_hwaddr;
+  const u8_t * ethdst_hwaddr;
 #endif /* LWIP_AUTOIP */
 
   /* allocate a pbuf for the outgoing ARP request packet */