diff options
Diffstat (limited to 'src/extra/tcp.c')
| -rw-r--r-- | src/extra/tcp.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/extra/tcp.c b/src/extra/tcp.c index cca20e7..933c6ee 100644 --- a/src/extra/tcp.c +++ b/src/extra/tcp.c @@ -46,7 +46,7 @@ struct tcphdr *nfq_tcp_get_hdr(struct pkt_buff *pktb) return NULL; /* No room for the TCP header. */ - if (pktb->tail - pktb->transport_header < sizeof(struct tcphdr)) + if (pktb_tail(pktb) - pktb->transport_header < sizeof(struct tcphdr)) return NULL; return (struct tcphdr *)pktb->transport_header; @@ -68,7 +68,7 @@ void *nfq_tcp_get_payload(struct tcphdr *tcph, struct pkt_buff *pktb) return NULL; /* malformed TCP data offset. */ - if (pktb->transport_header + len > pktb->tail) + if (pktb->transport_header + len > pktb_tail(pktb)) return NULL; return pktb->transport_header + len; @@ -83,7 +83,7 @@ void *nfq_tcp_get_payload(struct tcphdr *tcph, struct pkt_buff *pktb) EXPORT_SYMBOL unsigned int nfq_tcp_get_payload_len(struct tcphdr *tcph, struct pkt_buff *pktb) { - return pktb->tail - pktb->transport_header - (tcph->doff * 4); + return pktb_tail(pktb) - pktb->transport_header - (tcph->doff * 4); } /** |