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Correctly move the packet header in ip_insertoptions().

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Reported by: Anupam Chanda
Reviewed by: sam@
MFC after: 2 weeks
This commit is contained in:
Alan Cox 2005-01-23 19:43:46 +00:00
parent 641a1aa10d
commit 7258e9687b
1 changed files with 2 additions and 1 deletions
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3
sys/netinet/ip_output.c
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@ -1064,11 +1064,12 @@ ip_insertoptions(m, opt, phlen)
*phlen = 0;
return (m);
}
M_MOVE_PKTHDR(n, m);
n->m_pkthdr.rcvif = (struct ifnet *)0;
#ifdef MAC
mac_create_mbuf_from_mbuf(m, n);
#endif
n->m_pkthdr.len = m->m_pkthdr.len + optlen;
n->m_pkthdr.len += optlen;
m->m_len -= sizeof(struct ip);
m->m_data += sizeof(struct ip);
n->m_next = m;