X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fcygwin%2Fdevice.c;h=6d94988e34b8a8472ee58e944fc2180ee4ff8012;hb=65f48924ff16a8471ad4464de1ee547bfb8a114c;hp=8229c3d6d33da014a914b9c5551fd527beb778cd;hpb=f6e87ab476a0faf8b124ecaaa27f967d825e6457;p=tinc

diff --git a/src/cygwin/device.c b/src/cygwin/device.c
index 8229c3d6..6d94988e 100644
--- a/src/cygwin/device.c
+++ b/src/cygwin/device.c
@@ -38,7 +38,7 @@ int device_fd = -1;
 static HANDLE device_handle = INVALID_HANDLE_VALUE;
 char *device = NULL;
 char *iface = NULL;
-static char *device_info = NULL;
+static const char *device_info = "Windows tap device";
 
 static pid_t reader_pid;
 static int sp[2];
@@ -161,7 +161,7 @@ static bool setup_device(void) {
 
 	/* Get MAC address from tap device */
 
-	if(!DeviceIoControl(device_handle, TAP_IOCTL_GET_MAC, mymac.x, sizeof(mymac.x), mymac.x, sizeof mymac.x, &len, 0)) {
+	if(!DeviceIoControl(device_handle, TAP_IOCTL_GET_MAC, mymac.x, sizeof(mymac.x), mymac.x, sizeof(mymac.x), &len, 0)) {
 		logger(DEBUG_ALWAYS, LOG_ERR, "Could not get MAC address from Windows tap device %s (%s): %s", device, iface, winerror(GetLastError()));
 		return false;
 	}
@@ -219,8 +219,6 @@ static bool setup_device(void) {
 		return false;
 	}
 
-	device_info = "Windows tap device";
-
 	logger(DEBUG_ALWAYS, LOG_INFO, "%s (%s) is a %s", device, iface, device_info);
 
 	return true;