diff --git a/src/common.c b/src/common.c
index 1dcecbd..5f202da 100644
--- a/src/common.c
+++ b/src/common.c
@@ -230,8 +230,9 @@ do_chroot(char *newroot)
 	if (chroot(newroot) != 0 || chdir("/") != 0)
 		err(1, "%s", newroot);
 
-	seteuid(geteuid());
-	setuid(getuid());
+	if (seteuid(geteuid()) != 0 || setuid(getuid()) != 0) {
+		err(1, "set[e]uid()");
+	}
 #else
 	warnx("chroot not available");
 #endif
diff --git a/src/iodine.c b/src/iodine.c
index f8e1e94..2951c79 100644
--- a/src/iodine.c
+++ b/src/iodine.c
@@ -134,7 +134,9 @@ main(int argc, char **argv)
 	int lazymode;
 	int selecttimeout;
 	int hostname_maxlen;
+#ifdef OPENBSD
 	int rtable = 0;
+#endif
 	struct sockaddr_storage nameservaddr;
 	int nameservaddr_len;
 	int nameserv_family;
@@ -208,9 +210,11 @@ main(int argc, char **argv)
 		case 'd':
 			device = optarg;
 			break;
+#ifdef OPENBSD
 		case 'R':
 			rtable = atoi(optarg);
 			break;
+#endif
 		case 'P':
 			strncpy(password, optarg, sizeof(password));
 			password[sizeof(password)-1] = 0;
diff --git a/src/iodined.c b/src/iodined.c
index a6ccb58..75979d9 100644
--- a/src/iodined.c
+++ b/src/iodined.c
@@ -1591,8 +1591,10 @@ tunnel_bind(int bind_fd, int dns_fd)
 
 	/* Get sockaddr from id */
 	fw_query_get(id, &query);
-	if (!query && debug >= 2) {
-		fprintf(stderr, "Lost sender of id %u, dropping reply\n", (id & 0xFFFF));
+	if (!query) {
+		if (debug >= 2) {
+			fprintf(stderr, "Lost sender of id %u, dropping reply\n", (id & 0xFFFF));
+		}
 		return 0;
 	}
 
diff --git a/src/read.c b/src/read.c
index ff40382..f4ad4a8 100644
--- a/src/read.c
+++ b/src/read.c
@@ -115,9 +115,6 @@ readlong(char *packet, char **src, uint32_t *dst)
 int
 readdata(char *packet, char **src, char *dst, size_t len)
 {
-	if (len < 0)
-		return 0;
-
 	memcpy(dst, *src, len);
 
 	(*src) += len;
@@ -232,9 +229,6 @@ putlong(char **dst, uint32_t value)
 int
 putdata(char **dst, char *data, size_t len)
 {
-	if (len < 0)
-		return 0;
-
 	memcpy(*dst, data, len);
 	
 	(*dst) += len;
diff --git a/src/tun.c b/src/tun.c
index 301e08d..bc5c153 100644
--- a/src/tun.c
+++ b/src/tun.c
@@ -447,6 +447,7 @@ tun_setip(const char *ip, const char *other_ip, int netbits)
 	struct in_addr addr;
 	DWORD len;
 #endif
+	const char *display_ip;
 
 	netmask = 0;
 	for (i = 0; i < netbits; i++) {
@@ -460,15 +461,16 @@ tun_setip(const char *ip, const char *other_ip, int netbits)
 		return 1;
 	}
 #ifndef WINDOWS32
+# ifdef FREEBSD
+	display_ip = other_ip; /* FreeBSD wants other IP as second IP */
+# else
+	display_ip = ip;
+# endif
 	snprintf(cmdline, sizeof(cmdline), 
 			IFCONFIGPATH "ifconfig %s %s %s netmask %s",
 			if_name,
 			ip,
-#ifdef FREEBSD
-			other_ip, /* FreeBSD wants other IP as second IP */
-#else
-			ip,
-#endif
+			display_ip,
 			inet_ntoa(net));
 	
 	fprintf(stderr, "Setting IP of %s to %s\n", if_name, ip);