--- zzzz-none-000/linux-2.6.19.2/include/asm-sparc/uaccess.h	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/include/asm-sparc/uaccess.h	2007-01-19 14:42:56.000000000 +0000
@@ -41,7 +41,7 @@
  * No one can read/write anything from userland in the kernel space by setting
  * large size and address near to PAGE_OFFSET - a fault will break his intentions.
  */
-#define __user_ok(addr, size) ({ (void)(size); (addr) < STACK_TOP; })
+#define __user_ok(addr, size) ({ (void)(size); (addr) < __STACK_TOP; })
 #define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
 #define __access_ok(addr,size) (__user_ok((addr) & get_fs().seg,(size)))
 #define access_ok(type, addr, size)					\