[PATCH] x86-64: use BUILD_BUG_ON in FPU code
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
diff --git a/arch/x86_64/kernel/i387.c b/arch/x86_64/kernel/i387.c
index 3aa1e9b..1d58c13 100644
--- a/arch/x86_64/kernel/i387.c
+++ b/arch/x86_64/kernel/i387.c
@@ -82,11 +82,8 @@
struct task_struct *tsk = current;
int err = 0;
- {
- extern void bad_user_i387_struct(void);
- if (sizeof(struct user_i387_struct) != sizeof(tsk->thread.i387.fxsave))
- bad_user_i387_struct();
- }
+ BUILD_BUG_ON(sizeof(struct user_i387_struct) !=
+ sizeof(tsk->thread.i387.fxsave));
if ((unsigned long)buf % 16)
printk("save_i387: bad fpstate %p\n",buf);