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add an DIAGNOSTIC case for MCLBYTES assumption

This commit is contained in:
itojun 2000-07-23 05:00:01 +00:00
parent 5f7778cd1e
commit ca777cb72c
1 changed files with 5 additions and 1 deletions
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6
sys/netinet/tcp_input.c
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@ -1,4 +1,4 @@
/* $NetBSD: tcp_input.c,v 1.113 2000/07/09 12:49:08 itojun Exp $ */
/* $NetBSD: tcp_input.c,v 1.114 2000/07/23 05:00:01 itojun Exp $ */
/*
%%% portions-copyright-nrl-95
@ -3360,6 +3360,10 @@ syn_cache_respond(sc, m)
*/
if (m)
m_freem(m);
#ifdef DIAGNOSTIC
if (max_linkhdr + tlen > MCLBYTES)
return (ENOBUFS);
#endif
MGETHDR(m, M_DONTWAIT, MT_DATA);
if (m && tlen > MHLEN) {
MCLGET(m, M_DONTWAIT);