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Fix IP(v6) over IP tunneling most likely broken with ifnet changes.

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Reviewed by:	gnn
Approved by:	re (dwhite), rwatson (mentor)
This commit is contained in:
Bjoern A. Zeeb 2005-06-20 08:39:30 +00:00
parent c2165a9398
commit 67df9f3896
1 changed files with 8 additions and 1 deletions
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9
sys/netinet/in_gif.c
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@ -225,6 +225,7 @@ in_gif_input(m, off)
int off;
{
struct ifnet *gifp = NULL;
struct gif_softc *sc;
struct ip *ip;
int af;
u_int8_t otos;
@ -233,8 +234,14 @@ in_gif_input(m, off)
ip = mtod(m, struct ip *);
proto = ip->ip_p;
gifp = (struct ifnet *)encap_getarg(m);
sc = (struct gif_softc *)encap_getarg(m);
if (sc == NULL) {
m_freem(m);
ipstat.ips_nogif++;
return;
}
gifp = GIF2IFP(sc);
if (gifp == NULL || (gifp->if_flags & IFF_UP) == 0) {
m_freem(m);
ipstat.ips_nogif++;