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MFC of 203503

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A fix to how the checksum code works that Michael put in.
This commit is contained in:
Randall Stewart 2010-04-17 03:58:56 +00:00
parent 3c9d6800fc
commit 2b7bba217f
1 changed files with 1 additions and 1 deletions
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2
sys/netinet/sctp_input.c
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@ -5806,6 +5806,7 @@ sctp_input_with_port(struct mbuf *i_pak, int off, uint16_t port)
}
sh->checksum = 0; /* prepare for calc */
calc_check = sctp_calculate_cksum(m, iphlen);
sh->checksum = check;
SCTP_STAT_INCR(sctps_recvswcrc);
if (calc_check != check) {
SCTPDBG(SCTP_DEBUG_INPUT1, "Bad CSUM on SCTP packet calc_check:%x check:%x m:%p mlen:%d iphlen:%d\n",
@ -5831,7 +5832,6 @@ sctp_input_with_port(struct mbuf *i_pak, int off, uint16_t port)
SCTP_STAT_INCR_COUNTER32(sctps_checksumerrors);
goto bad;
}
sh->checksum = calc_check;
sctp_skip_csum_4:
/* destination port of 0 is illegal, based on RFC2960. */
if (sh->dest_port == 0) {