From 48c30a896bf1b18eaeda0b3128342b6db44c2296 Mon Sep 17 00:00:00 2001
From: fenner <fenner@FreeBSD.org>
Date: Fri, 12 Jul 1996 17:22:32 +0000
Subject: Fix braino in rev 1.30 fix; m_copy() the mbuf that has the header
 pulled up already.  This bug can cause the first packet from a source to a
 group to be corrupted when it is delivered to a process listening on the
 mrouter.

---
 sys/netinet/ip_mroute.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'sys')

diff --git a/sys/netinet/ip_mroute.c b/sys/netinet/ip_mroute.c
index e53b2a5..ebc844b 100644
--- a/sys/netinet/ip_mroute.c
+++ b/sys/netinet/ip_mroute.c
@@ -9,7 +9,7 @@
  * Modified by Bill Fenner, PARC, April 1995
  *
  * MROUTING Revision: 3.5
- * $Id: ip_mroute.c,v 1.32 1996/04/18 15:41:11 wollman Exp $
+ * $Id: ip_mroute.c,v 1.33 1996/07/12 04:11:48 bde Exp $
  */
 
 #include "opt_mrouting.h"
@@ -1239,7 +1239,7 @@ X_ip_mforward(ip, ifp, m, imo)
 		return ENOBUFS;
 	    }
 	    /* Make a copy of the header to send to the user level process */
-	    mm = m_copy(m, 0, hlen);
+	    mm = m_copy(mb0, 0, hlen);
 	    if (mm == NULL) {
 		m_free(mb_ntry);
 		m_freem(mb0);
-- 
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