diff -ru cm2020.orig/src/cm2020/cardman.c cm2020/src/cm2020/cardman.c
--- cm2020.orig/src/cm2020/cardman.c	2011-08-19 12:31:11.441186388 +0200
+++ cm2020/src/cm2020/cardman.c	2011-08-19 15:38:22.482278477 +0200
@@ -30,7 +30,6 @@
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
  #include <linux/errno.h>
- #include <linux/smp_lock.h>
  #include <linux/completion.h>
  #include <asm/uaccess.h>
 #else