[PATCH libnetfilter_queue] src: Fix value returned by nfq_udp_get_payload_len()

[Duncan Roe <duncan_roe@xxxxxxxxxxxxxxx>]

Updated:

 src/extra/udp.c: Remember to subtract the UDP header length

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

diff --git a/src/extra/udp.c b/src/extra/udp.c
index fed23e2..eb301f2 100644
--- a/src/extra/udp.c
+++ b/src/extra/udp.c
@@ -78,7 +78,7 @@ void *nfq_udp_get_payload(struct udphdr *udph, struct pkt_buff *pktb)
 EXPORT_SYMBOL
 unsigned int nfq_udp_get_payload_len(struct udphdr *udph, struct pkt_buff *pktb)
 {
-	return pktb->tail - pktb->transport_header;
+	return pktb->tail - pktb->transport_header - sizeof(struct udphdr);
 }
 
 /**
-- 
2.14.5