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- Check IFF_RUNNING | IFF_UP in gre_output() correctly.

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seanb 2007-08-14 13:36:50 +00:00
parent 790f3adcf7
commit 7a700a611e
1 changed files with 4 additions and 3 deletions
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7
sys/net/if_gre.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_gre.c,v 1.98 2007/07/09 21:11:00 ad Exp $ */
/* $NetBSD: if_gre.c,v 1.99 2007/08/14 13:36:50 seanb Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -48,7 +48,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_gre.c,v 1.98 2007/07/09 21:11:00 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_gre.c,v 1.99 2007/08/14 13:36:50 seanb Exp $");
#include "opt_gre.h"
#include "opt_inet.h"
@ -608,7 +608,8 @@ gre_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst,
u_int16_t etype = 0;
struct mobile_h mob_h;
if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 0 ||
if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) !=
(IFF_UP | IFF_RUNNING) ||
sc->g_src.s_addr == INADDR_ANY || sc->g_dst.s_addr == INADDR_ANY) {
m_freem(m);
error = ENETDOWN;