Properly dereference struct ether_addr

diff --git a/iptables.c b/iptables.c
index c323e45a8efb5d6e64ea4838a297c5cab640b6d4..694dd4f6ab9a94bf58863a5acd9b1e11c8390239 100644 (file)
--- a/iptables.c
+++ b/iptables.c
@@ -747,13 +747,13 @@ void
 fw3_ipt_rule_mac(struct fw3_ipt_rule *r, struct fw3_mac *mac)
 {
        char buf[sizeof("ff:ff:ff:ff:ff:ff\0")];
+       uint8_t *addr = mac->mac.ether_addr_octet;
 
        if (!mac)
                return;
 
        sprintf(buf, "%02x:%02x:%02x:%02x:%02x:%02x",
-               mac->mac[0], mac->mac[1], mac->mac[2],
-               mac->mac[3], mac->mac[4], mac->mac[5]);
+               addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
 
        fw3_ipt_rule_addarg(r, false, "-m", "mac");
        fw3_ipt_rule_addarg(r, mac->invert, "--mac-source", buf);