From 4bd57e1078a1a251d9995f6ac97f926498c280c3 Mon Sep 17 00:00:00 2001
From: Adrian Chadd <adrian@FreeBSD.org>
Date: Mon, 12 Aug 2013 02:21:44 +0000
Subject: [PATCH] When flushing packets from the powersave queue, make sure
 that m_nextpkt is NULL before passing it up to the parent transmit method.

---
 sys/net80211/ieee80211_power.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/net80211/ieee80211_power.c b/sys/net80211/ieee80211_power.c
index d14d8f4417ce..c05c1be818f5 100644
--- a/sys/net80211/ieee80211_power.c
+++ b/sys/net80211/ieee80211_power.c
@@ -456,6 +456,7 @@ pwrsave_flushq(struct ieee80211_node *ni)
 		while (parent_q != NULL) {
 			m = parent_q;
 			parent_q = m->m_nextpkt;
+			m->m_nextpkt = NULL;
 			/* must be encapsulated */
 			KASSERT((m->m_flags & M_ENCAP),
 			    ("%s: parentq with non-M_ENCAP frame!\n",