[PATCH libnetfilter_queue 1/1] src: Fix value returned by nfq_tcp_get_payload_len()

[Duncan Roe <duncan_roe@xxxxxxxxxxxxxxx>]

Remember to subtract the TCP header length.

Signed-off-by: Duncan Roe <duncan_roe@xxxxxxxxxxxxxxx>
---
 src/extra/tcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/extra/tcp.c b/src/extra/tcp.c
index 0f83500..236663f 100644
--- a/src/extra/tcp.c
+++ b/src/extra/tcp.c
@@ -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;
+	return pktb->tail - pktb->transport_header -tcph->doff * 4;
 }
 
 /**
-- 
2.14.5