pkt_buff: Remove unused size member from struct pkt_buff

The size member of struct pkt_buff is set but never accessed. It can
savely be dropped as we can still get the size implicitly using
pkt->tail - pkt->head if necessary.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 3 insertions, 5 deletions

diff --git a/pkt_buff.h b/pkt_buff.h
index 30b999e..fecdb4c 100644
--- a/pkt_buff.h
+++ b/pkt_buff.h
@@ -14,10 +14,9 @@
 
 struct pkt_buff {
 	/* invariant: head <= data <= tail */
-	uint8_t      *head;
-	uint8_t      *data;
-	uint8_t      *tail;
-	unsigned int  size;
+	uint8_t *head;
+	uint8_t *data;
+	uint8_t *tail;
 
 	struct protocol *dissector;
 	uint32_t link_type;
@@ -31,7 +30,6 @@ static inline struct pkt_buff *pkt_alloc(uint8_t *packet, unsigned int len)
 	pkt->head = packet;
 	pkt->data = packet;
 	pkt->tail = packet + len;
-	pkt->size = len;
 	pkt->dissector = NULL;
 
 	return pkt;