diff -Naur a/common/lib/modules/fglrx/build_mod/drm_os_linux.h b/common/lib/modules/fglrx/build_mod/drm_os_linux.h
--- a/common/lib/modules/fglrx/build_mod/drm_os_linux.h	2009-05-27 19:24:11.944421623 -0500
+++ b/common/lib/modules/fglrx/build_mod/drm_os_linux.h	2009-05-27 19:28:12.424780164 -0500
@@ -42,10 +42,12 @@
 #define DRM_IRQ_ARGS		int irq, void *arg, struct pt_regs *regs
 /** backwards compatibility with old irq return values */
 #ifndef IRQ_HANDLED
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
 typedef void irqreturn_t;
 #define IRQ_HANDLED   /* nothing */
 #define IRQ_NONE      /* nothing */
 #endif
+#endif
 
 /** AGP types */
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,70)