[PATCH] packet.h: pkt_iph_len(): make it function rather than macro

[Vitezslav Samel]

( ... I don't like complex macros for simple things)

Signed-off-by: Vitezslav Samel <vitezslav(a)samel.cz&gt;
---
 src/packet.h |   24 +++++++++++-------------
 1 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/src/packet.h b/src/packet.h
index 21d4c37..4979a5d 100644
--- a/src/packet.h
+++ b/src/packet.h
@@ -55,19 +55,17 @@ static inline void PACKET_INIT_STRUCT(struct pkt_hdr *p)
 	struct pkt_hdr packet;					\
 	PACKET_INIT_STRUCT(&packet)
 
-#define pkt_iph_len(pkt) __extension__ ({				\
-		__u8 len__ = 0;						\
-		switch ((pkt)->pkt_protocol) {				\
-		case ETH_P_IP:						\
-			len__ = (pkt)->iphdr->ihl * 4;			\
-			break;						\
-		case ETH_P_IPV6:					\
-			len__ = 40;					\
-			break;						\
-		};							\
-		len__;							\
-	})
-
+static inline __u8 pkt_iph_len(const struct pkt_hdr *pkt)
+{
+	switch (pkt->pkt_protocol) {
+	case ETH_P_IP:
+		return pkt->iphdr->ihl * 4;
+	case ETH_P_IPV6:
+		return 40;
+	default:
+		return 0;
+	}
+}
 
 static inline __u8 pkt_ip_protocol(const struct pkt_hdr *p)
 {
-- 
1.7.8.4