Make device close cleaner.

[tinc] / src / multicast_device.c

diff --git a/src/multicast_device.c b/src/multicast_device.c
index 48e1200..ba272eb 100644 (file)
--- a/src/multicast_device.c
+++ b/src/multicast_device.c
@@ -148,13 +148,15 @@ error:
 }
 
 static void close_device(void) {
-       close(device_fd);
+       close(device_fd); device_fd = -1;
 
-       free(device);
-       free(iface);
+       free(device); device = NULL;
+       free(iface); iface = NULL;
 
-       if(ai)
-               freeaddrinfo(ai);
+       if(ai) {
+               freeaddrinfo(ai); ai = NULL;
+       }
+       device_info = NULL;
 }
 
 static bool read_packet(vpn_packet_t *packet) {