Make device close cleaner.

[tinc] / src / linux / device.c

diff --git a/src/linux/device.c b/src/linux/device.c
index 6ed1622..cfd99ff 100644 (file)
--- a/src/linux/device.c
+++ b/src/linux/device.c
@@ -110,10 +110,12 @@ static bool setup_device(void) {
 
 static void close_device(void) {
        close(device_fd);
+       device_fd = -1;
 
-       free(type);
-       free(device);
-       free(iface);
+       free(type); type = NULL;
+       free(device); device = NULL;
+       free(iface); iface = NULL;
+       device_info = NULL;
 }
 
 static bool read_packet(vpn_packet_t *packet) {