From 0325cc5f07ac992414129b4f47ae4aae017dbd2b Mon Sep 17 00:00:00 2001
From: Kozlov Dmitry <dima@server>
Date: Mon, 27 Sep 2010 20:07:32 +0400
Subject: bug fixes

---
 accel-pptpd/ppp/lcp_opt_magic.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'accel-pptpd/ppp/lcp_opt_magic.c')

diff --git a/accel-pptpd/ppp/lcp_opt_magic.c b/accel-pptpd/ppp/lcp_opt_magic.c
index cec40ce..166c85c 100644
--- a/accel-pptpd/ppp/lcp_opt_magic.c
+++ b/accel-pptpd/ppp/lcp_opt_magic.c
@@ -64,6 +64,9 @@ static int magic_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt,
 	struct magic_option_t *magic_opt=container_of(opt,typeof(*magic_opt),opt);
 	struct lcp_opt32_t *opt32=(struct lcp_opt32_t*)ptr;
 
+	if (!ptr)
+		return LCP_OPT_NAK;
+
 	if (magic_opt->magic==ntohl(opt32->val))
 	{
 		log_ppp_error("loop detected");
-- 
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