X-Git-Url: https://git.toastfreeware.priv.at/debian/iodine.git/blobdiff_plain/cf812f1d2258d434d6c75362a1f9e66170f0aabf..0765c39dc043fbe6480d05f402af22a46083885c:/src/iodine.c

diff --git a/src/iodine.c b/src/iodine.c
index 65e47bc..8c2bc93 100644
--- a/src/iodine.c
+++ b/src/iodine.c
@@ -231,7 +231,7 @@ tunnel_tun(int tun_fd, int dns_fd)
 	unsigned long inlen;
 	char out[64*1024];
 	char in[64*1024];
-	size_t read;
+	ssize_t read;
 
 	if ((read = read_tun(tun_fd, in, sizeof(in))) <= 0)
 		return -1;
@@ -1100,7 +1100,12 @@ main(int argc, char **argv)
 		/* NOTREACHED */
 	}
 
-	set_nameserver(nameserv_addr);
+	if (nameserv_addr) {
+		set_nameserver(nameserv_addr);
+	} else {
+		usage();
+		/* NOTREACHED */
+	}	
 
 	if(strlen(topdomain) <= 128) {
 		if(check_topdomain(topdomain)) {