lookup: Return const char * from all lookup functions

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

1 files changed, 1 insertions, 1 deletions

diff --git a/proto_ethernet.c b/proto_ethernet.c
index 47730fc..9bb0042 100644
--- a/proto_ethernet.c
+++ b/proto_ethernet.c
@@ -40,7 +40,7 @@ static const char *ether_lookup_addr(const uint8_t *mac)
 
 static void ethernet(struct pkt_buff *pkt)
 {
-	char *type;
+	const char *type;
 	uint8_t *src_mac, *dst_mac;
 	struct ethhdr *eth = (struct ethhdr *) pkt_pull(pkt, sizeof(*eth));