--- evdev.c.orig	2009-04-29 23:38:43.000000000 -0700
+++ evdev.c	2009-05-20 21:47:11.000000000 -0700
@@ -362,6 +362,10 @@
 
     switch (ev->type) {
         case EV_REL:
+            /* Ignore EV_REL events if we never set up for them. */
+            if (! (pEvdev->flags & EVDEV_RELATIVE_EVENTS))
+                break;
+
             /* Handle mouse wheel emulation */
             if (EvdevWheelEmuFilterMotion(pInfo, ev))
                 break;
@@ -392,6 +396,11 @@
             break;
 
         case EV_ABS:
+            /* Ignore EV_ABS events if we never set up for them (which
+               can happen for either of these two reasons) . */
+            if (EVDEV_RELATIVE_EVENTS || ! (pEvdev->flags & EVDEV_ABSOLUTE_EVENTS))
+                break;
+
             if (ev->code > ABS_MAX)
                 break;
             pEvdev->vals[pEvdev->axis_map[ev->code]] = value;