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Subject[PATCH] x86_64: use BUILD_BUG_ON in FPU code
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---

arch/x86_64/kernel/i387.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

--- a/arch/x86_64/kernel/i387.c
+++ b/arch/x86_64/kernel/i387.c
@@ -82,11 +82,8 @@ int save_i387(struct _fpstate __user *bu
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);
-
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