Remove unused argument from tunemu_write.
[tinc] / src / bsd / device.c
index 5a572ba..db506e5 100644 (file)
@@ -1,7 +1,7 @@
 /*
     device.c -- Interaction BSD tun/tap device
     Copyright (C) 2001-2005 Ivo Timmermans,
-                  2001-2017 Guus Sliepen <guus@tinc-vpn.org>
+                  2001-2021 Guus Sliepen <guus@tinc-vpn.org>
                   2009      Grzegorz Dymarek <gregd72002@googlemail.com>
 
     This program is free software; you can redistribute it and/or modify
 #include "../conf.h"
 #include "../device.h"
 #include "../logger.h"
-#include "../names.h"
-#include "../net.h"
 #include "../route.h"
-#include "../utils.h"
 #include "../xalloc.h"
 
 #ifdef ENABLE_TUNEMU
 #include <net/if_utun.h>
 #endif
 
+#if defined(HAVE_FREEBSD) || defined(HAVE_DRAGONFLY)
+#define DEFAULT_TUN_DEVICE "/dev/tun"  // Use the autoclone device
+#define DEFAULT_TAP_DEVICE "/dev/tap"
+#else
 #define DEFAULT_TUN_DEVICE "/dev/tun0"
 #define DEFAULT_TAP_DEVICE "/dev/tap0"
+#endif
 
 typedef enum device_type {
        DEVICE_TYPE_TUN,
@@ -298,10 +300,7 @@ static bool setup_device(void) {
                        struct ifreq ifr;
 
                        if(ioctl(device_fd, TAPGIFNAME, (void *)&ifr) == 0) {
-                               if(iface) {
-                                       free(iface);
-                               }
-
+                               free(iface);
                                iface = xstrdup(ifr.ifr_name);
                        }
                }
@@ -501,7 +500,7 @@ static bool write_packet(vpn_packet_t *packet) {
 #ifdef ENABLE_TUNEMU
 
        case DEVICE_TYPE_TUNEMU:
-               if(tunemu_write(device_fd, DATA(packet) + 14, packet->len - 14) < 0) {
+               if(tunemu_write(DATA(packet) + 14, packet->len - 14) < 0) {
                        logger(DEBUG_ALWAYS, LOG_ERR, "Error while writing to %s %s: %s", device_info,
                               device, strerror(errno));
                        return false;