From 2df9cd7262a76ae782c4acb0a3a2b3edb8573258 Mon Sep 17 00:00:00 2001
From: likewise <likewise>
Date: Thu, 6 May 2004 02:43:47 +0000
Subject: [PATCH] Exported etharp_request().

---
 src/include/netif/etharp.h | 1 +
 src/netif/etharp.c         | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/include/netif/etharp.h b/src/include/netif/etharp.h
index 9b432cbd..6142922d 100644
--- a/src/include/netif/etharp.h
+++ b/src/include/netif/etharp.h
@@ -93,5 +93,6 @@ void etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr,
 err_t etharp_output(struct netif *netif, struct ip_addr *ipaddr,
          struct pbuf *q);
 err_t etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pbuf *q);
+err_t etharp_request(struct netif *netif, struct ip_addr *ipaddr);
 
 #endif /* __NETIF_ARP_H__ */
diff --git a/src/netif/etharp.c b/src/netif/etharp.c
index 50388211..22caf27d 100644
--- a/src/netif/etharp.c
+++ b/src/netif/etharp.c
@@ -208,10 +208,10 @@ static s8_t find_entry(struct ip_addr *ipaddr, u8_t flags)
 
   for (i = 0; i < ARP_TABLE_SIZE; ++i) {
     /* empty entry? */
-    if ((empty == ARP_TABLE_SIZE) && arp_table[i].state == ETHARP_STATE_EMPTY)) {
+    if (arp_table[i].state == ETHARP_STATE_EMPTY) {
       LWIP_DEBUGF(ETHARP_DEBUG, ("find_entry: found empty entry %d\n", i));
       /* remember first empty entry */
-      empty = i;
+      if (empty == ARP_TABLE_SIZE) empty = i;
     }
     /* pending entry? */
     else if (arp_table[i].state == ETHARP_STATE_PENDING) {
@@ -701,7 +701,7 @@ err_t etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pbuf *q)
   result = etharp_request(struct netif *netif, struct ip_addr *ipaddr);
 
   /* find entry in ARP cache */
-  i = find_entry(&arp_table[i].ipaddr, q?ETHARP_INSERT:0);
+  i = find_entry(&arp_table[i].ipaddr, q?ETHARP_CREATE:0);
 
   /* could not find or create entry? */
   if (i < 0) return (err_t)i;