250 extern unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long…
251 extern unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n…
252 extern unsigned long __must_check __copy_in_user(void __user *to, const void __user *from, unsigned…
255 static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned…  in copy_from_user()  argument
257 	if (access_ok(VERIFY_READ, from, n))  in copy_from_user()
258 		n = __copy_from_user(to, from, n);  in copy_from_user()
264 static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned l…  in copy_to_user()  argument
267 		n = __copy_to_user(to, from, n);  in copy_to_user()
271 static inline unsigned long __must_check copy_in_user(void __user *to, const void __user *from, uns…  in copy_in_user()  argument
273 	if (access_ok(VERIFY_READ, from, n) && access_ok(VERIFY_WRITE, to, n))  in copy_in_user()
274 		n = __copy_in_user(to, from, n);  in copy_in_user()