--- a/apd.c
+++ b/apd.c
@@ -893,6 +893,7 @@
 			return -ARS_ERROR;
 		err = ars_push_data(pkt, layer, binary, blen);
 		free(binary);
+		return err;
 	} else if (strcasecmp(f, "uint32") == 0) {
 		int err;
 		__u32 t, nt;
--- a/ars.c
+++ b/ars.c
@@ -906,15 +906,17 @@
  * system isn't FreeBSD or NetBSD. */
 int ars_bsd_fix(struct ars_packet *pkt, unsigned char *packet, size_t size)
 {
+#if defined OSTYPE_DARWIN || defined OSTYPE_FREEBSD || defined OSTYPE_NETBSD || defined OSTYPE_BSDI
 	struct ars_iphdr *ip;
+#endif
 
 	if (pkt->p_layer[0].l_type != ARS_TYPE_IP ||
 	    size < sizeof(struct ars_iphdr)) {
 		ars_set_error(pkt, "BSD fix requested, but layer 0 not IP");
 		return -ARS_INVALID;
 	}
-	ip = (struct ars_iphdr*) packet;
 #if defined OSTYPE_DARWIN || defined OSTYPE_FREEBSD || defined OSTYPE_NETBSD || defined OSTYPE_BSDI
+	ip = (struct ars_iphdr*) packet;
 	ip->tot_len = ntohs(ip->tot_len);
 	ip->frag_off = ntohs(ip->frag_off);
 #endif
--- a/libpcap_stuff.c
+++ b/libpcap_stuff.c
@@ -23,9 +23,11 @@
 
 int open_pcap()
 {
+#if (!defined OSTYPE_LINUX) && (!defined __sun__)
 	int on;
 
 	on = 1; /* no warning if BIOCIMMEDIATE will not be compiled */
+#endif
 	if (opt_debug)
 		printf("DEBUG: pcap_open_live(%s, 99999, 0, 1, %p)\n",
 			ifname, errbuf);