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Mask out the header length from th_flags.

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svn path=/trunk/; revision=34087
This commit is contained in:
Stig Bjørlykke 2010-09-08 21:25:14 +00:00
parent b17b2eb187
commit d968bc8b61
1 changed files with 1 additions and 1 deletions
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2
epan/dissectors/packet-tcp.c
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@ -3140,7 +3140,7 @@ dissect_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
tcph->th_seq = tvb_get_ntohl(tvb, offset + 4);
tcph->th_ack = tvb_get_ntohl(tvb, offset + 8);
th_off_x2 = tvb_get_guint8(tvb, offset + 12);
tcph->th_flags = tvb_get_ntohs(tvb, offset + 12);
tcph->th_flags = tvb_get_ntohs(tvb, offset + 12) & 0x0FFF;
tcph->th_win = tvb_get_ntohs(tvb, offset + 14);
real_window = tcph->th_win;
tcph->th_hlen = hi_nibble(th_off_x2) * 4; /* TCP header length, in bytes */