From 74fdefa7c98cd59eb34e0a5785fbd71663b270ab Mon Sep 17 00:00:00 2001
From: Sam Leffler <sam@FreeBSD.org>
Date: Thu, 25 Sep 2008 20:25:25 +0000
Subject: [PATCH] must do a deep copy of mcast packets as they can be modified
 after dispatch

Submitted by:	"Jared Go" <jared@hobnob.com>
---
 sys/net80211/ieee80211_hostap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/net80211/ieee80211_hostap.c b/sys/net80211/ieee80211_hostap.c
index 7f28f4fe945..c0a99a12dbf 100644
--- a/sys/net80211/ieee80211_hostap.c
+++ b/sys/net80211/ieee80211_hostap.c
@@ -319,7 +319,7 @@ hostap_deliver_data(struct ieee80211vap *vap,
 		struct mbuf *mcopy = NULL;
 
 		if (m->m_flags & M_MCAST) {
-			mcopy = m_copypacket(m, M_DONTWAIT);
+			mcopy = m_dup(m, M_DONTWAIT);
 			if (mcopy == NULL)
 				ifp->if_oerrors++;
 			else