Index: /trunk/src/VBox/Additions/linux/drm/Makefile.module.kms
===================================================================
--- /trunk/src/VBox/Additions/linux/drm/Makefile.module.kms	(revision 66081)
+++ /trunk/src/VBox/Additions/linux/drm/Makefile.module.kms	(revision 66082)
@@ -22,4 +22,8 @@
   # as of 2.6.16 KERNELRELEASE is only set if the kernel is configured
   MY_KERNELRELEASE := $(KERNELVERSION)
+endif
+ifeq ($(KERN_VERSION),24)
+  # sledgehammer, see the 2.4 handling in Makefile.include.footer
+  MY_KERNELRELEASE := 2.4.0
 endif
 ifeq ($(filter 1.% 2.% 3.0.% 3.1.% 3.2.% 3.3.% 3.4.% 3.5.% 3.6.% 3.7.% \