From cb7f0de9f8f7e7f6de0ef846e3dd5f3cab457286 Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon>
Date: Thu, 4 Mar 2010 15:48:21 +0000
Subject: [PATCH] Fixed bug #29068: Fixed memory leak in ping_recv for
 PING_USE_SOCKETS==0

---
 apps/ping/ping.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/apps/ping/ping.c b/apps/ping/ping.c
index 93cdadd..37222df 100644
--- a/apps/ping/ping.c
+++ b/apps/ping/ping.c
@@ -233,6 +233,7 @@ ping_recv(void *arg, struct raw_pcb *pcb, struct pbuf *p, ip_addr_t *addr)
   struct icmp_echo_hdr *iecho;
   LWIP_UNUSED_ARG(arg);
   LWIP_UNUSED_ARG(pcb);
+  LWIP_ASSERT("p != NULL", p != NULL);
 
   if (pbuf_header( p, -PBUF_IP_HLEN)==0) {
     iecho = p->payload;
@@ -244,10 +245,12 @@ ping_recv(void *arg, struct raw_pcb *pcb, struct pbuf *p, ip_addr_t *addr)
 
       /* do some ping result processing */
       PING_RESULT(1);
+      pbuf_free(p);
+      return 1; /* eat the packet */
     }
   }
 
-  return 1; /* eat the event */
+  return 0; /* don't eat the packet */
 }
 
 static void