--- a/hw/xfree86/os-support/linux/lnx_platform.c	
+++ a/hw/xfree86/os-support/linux/lnx_platform.c	
@@ -151,6 +151,9 @@ xf86PlatformDeviceProbe(struct OdevAttributes *attribs)
     if (!path)
         goto out_free;
 
+    if (!xf86_num_platform_devices)
+        goto out_free;
+
     for (i = 0; i < xf86_num_platform_devices; i++) {
         char *dpath = xf86_platform_odev_attributes(i)->path;