svn commit: r202590 - user/luigi/ipfw3-head/sys/netinet/ipfw
Luigi Rizzo
luigi at FreeBSD.org
Mon Jan 18 21:00:29 UTC 2010
Author: luigi
Date: Mon Jan 18 21:00:29 2010
New Revision: 202590
URL: http://svn.freebsd.org/changeset/base/202590
Log:
it is correct to call dn_dequeue on an empty queue
Modified:
user/luigi/ipfw3-head/sys/netinet/ipfw/dn_sched.h
Modified: user/luigi/ipfw3-head/sys/netinet/ipfw/dn_sched.h
==============================================================================
--- user/luigi/ipfw3-head/sys/netinet/ipfw/dn_sched.h Mon Jan 18 20:57:50 2010 (r202589)
+++ user/luigi/ipfw3-head/sys/netinet/ipfw/dn_sched.h Mon Jan 18 21:00:29 2010 (r202590)
@@ -131,7 +131,8 @@ static __inline struct mbuf*
dn_dequeue(struct new_queue *q)
{
struct mbuf *m = q->mq.head;
- KASSERT(m != NULL, ("empty queue to dn_return_packet"));
+ if (m == NULL)
+ return NULL;
q->mq.head = m->m_nextpkt;
q->ni.length--;
q->ni.len_bytes -= m->m_pkthdr.len;
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