79 static inline __must_check long __copy_from_user(void *to,  in __copy_from_user()  argument
85 			*(u8 *)to = *(u8 __force *)from;  in __copy_from_user()
88 			*(u16 *)to = *(u16 __force *)from;  in __copy_from_user()
91 			*(u32 *)to = *(u32 __force *)from;  in __copy_from_user()
95 			*(u64 *)to = *(u64 __force *)from;  in __copy_from_user()
103 	memcpy(to, (const void __force *)from, n);  in __copy_from_user()
109 static inline __must_check long __copy_to_user(void __user *to,  in __copy_to_user()  argument
115 			*(u8 __force *)to = *(u8 *)from;  in __copy_to_user()
118 			*(u16 __force *)to = *(u16 *)from;  in __copy_to_user()
121 			*(u32 __force *)to = *(u32 *)from;  in __copy_to_user()
125 			*(u64 __force *)to = *(u64 *)from;  in __copy_to_user()
133 	memcpy((void __force *)to, from, n);  in __copy_to_user()
257 static inline long copy_from_user(void *to,  in copy_from_user()  argument
262 		return __copy_from_user(to, from, n);  in copy_from_user()
267 static inline long copy_to_user(void __user *to,  in copy_to_user()  argument
271 	if (access_ok(VERIFY_WRITE, to, n))  in copy_to_user()
272 		return __copy_to_user(to, from, n);  in copy_to_user()
331 __clear_user(void __user *to, unsigned long n)  in __clear_user()  argument
333 	memset((void __force *)to, 0, n);  in __clear_user()
339 clear_user(void __user *to, unsigned long n)  in clear_user()  argument
342 	if (!access_ok(VERIFY_WRITE, to, n))  in clear_user()
345 	return __clear_user(to, n);  in clear_user()