Author: glebius
Date: Mon Feb 23 18:57:09 2015
New Revision: 279213
URL: https://svnweb.freebsd.org/changeset/base/279213
Log:
A lot of current code in network stack expects mbufs not having
m_nextpkt pointer, assuming that if there is one, then this is
a packet batch. Thus, mbufq_dequeue() needs to clear it on mbuf
that is being returned.
Modified:
head/sys/sys/mbuf.h
Modified: head/sys/sys/mbuf.h
==============================================================================
--- head/sys/sys/mbuf.h Mon Feb 23 18:55:26 2015 (r279212)
+++ head/sys/sys/mbuf.h Mon Feb 23 18:57:09 2015 (r279213)
@@ -1282,6 +1282,7 @@ mbufq_dequeue(struct mbufq *mq)
m = STAILQ_FIRST(&mq->mq_head);
if (m) {
STAILQ_REMOVE_HEAD(&mq->mq_head, m_stailqpkt);
+ m->m_nextpkt = NULL;
mq->mq_len--;
}
return (m);
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