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Fix error with ifq not being set before use. Explicitly set it to NULL just before it may be set to the fastq, since if this becomes a loop (and in one case already is) this will always work. ifq_enqueue2() is designed to handle this case.

This commit is contained in:
explorer 2005-03-31 17:07:39 +00:00
parent 4efbb8a57b
commit fcc0a1f852
1 changed files with 4 additions and 2 deletions
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6
sys/net/if_ppp.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_ppp.c,v 1.97 2005/03/31 15:48:13 christos Exp $ */
/* $NetBSD: if_ppp.c,v 1.98 2005/03/31 17:07:39 explorer Exp $ */
/* Id: if_ppp.c,v 1.6 1997/03/04 03:33:00 paulus Exp */
/*
@ -102,7 +102,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_ppp.c,v 1.97 2005/03/31 15:48:13 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_ppp.c,v 1.98 2005/03/31 17:07:39 explorer Exp $");
#include "ppp.h"
@ -1024,6 +1024,7 @@ pppoutput(ifp, m0, dst, rtp)
m0->m_nextpkt = NULL;
sc->sc_npqtail = &m0->m_nextpkt;
} else {
ifq = NULL;
if (m0->m_flags & M_HIGHPRI)
ifq = &sc->sc_fastq;
if ((error = ifq_enqueue2(&sc->sc_if, ifq, m0
@ -1079,6 +1080,7 @@ ppp_requeue(sc)
*/
*mpp = m->m_nextpkt;
m->m_nextpkt = NULL;
ifq = NULL;
if (m->m_flags & M_HIGHPRI)
ifq = &sc->sc_fastq;
if ((error = ifq_enqueue2(&sc->sc_if, ifq, m ALTQ_COMMA