From 4424f5a2313813579f96ec72e756e0b58071c64b Mon Sep 17 00:00:00 2001
From: Eric Leblond <eric@regit.org>
Date: Mon, 29 Jul 2013 14:58:07 +0200
Subject: [PATCH] af-packet: add sanity check in free function

---
 src/source-af-packet.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/source-af-packet.c b/src/source-af-packet.c
index b7a7725b94..23a8adc91e 100644
--- a/src/source-af-packet.c
+++ b/src/source-af-packet.c
@@ -884,6 +884,9 @@ static int AFPRefSocket(AFPPeer* peer)
  */
 static int AFPDerefSocket(AFPPeer* peer)
 {
+    if (peer == NULL)
+        return 1;
+
     if (SC_ATOMIC_SUB(peer->sock_usage, 1) == 0) {
         if (SC_ATOMIC_GET(peer->state) == AFP_STATE_DOWN) {
             SCLogInfo("Cleaning socket connected to '%s'", peer->iface);