diff -up gdm-2.20.1/gui/modules/keymouselistener.c.keymouselistener-segfault gdm-2.20.1/gui/modules/keymouselistener.c

--- gdm-2.20.1/gui/modules/keymouselistener.c.keymouselistener-segfault	2007-10-17 20:33:49.000000000 -0400

+++ gdm-2.20.1/gui/modules/keymouselistener.c	2007-10-17 21:07:58.000000000 -0400

@@ -158,13 +158,16 @@ init_xinput (GdkDisplay *display, GdkWin

 {

 #ifdef HAVE_XINPUT

 	XEventClass  event_list[40];

-	int          i, j, number = 0, num_devices; 

+	int          i, j, number = 0, num_devices = 0; 

 	XDeviceInfo  *devices = NULL;

 	XDevice      *device = NULL;

 	devices = XListInputDevices (GDK_DISPLAY_XDISPLAY (display),

 		&num_devices);

+        if (devices == NULL)

+            return;

+

 	if (debug_gestures)

 	    syslog (LOG_WARNING, "checking %d input devices...", num_devices);