From 3fb50075284433093eba7c43e75b16eaa36eeabd Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 28 Mar 2017 00:51:43 -0400 Subject: asm-generic/uaccess.h: don't mess with __copy_{to,from}_user only h8300 actually used those; might as well define them there. Signed-off-by: Al Viro --- include/asm-generic/uaccess.h | 63 ------------------------------------------- 1 file changed, 63 deletions(-) (limited to 'include/asm-generic') diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h index 4b4f4a7f22c6..b048246a606b 100644 --- a/include/asm-generic/uaccess.h +++ b/include/asm-generic/uaccess.h @@ -47,69 +47,6 @@ static inline int __access_ok(unsigned long addr, unsigned long size) } #endif -/* - * architectures with an MMU should override these two - */ -#ifndef __copy_from_user -static inline __must_check long __copy_from_user(void *to, - const void __user * from, unsigned long n) -{ - if (__builtin_constant_p(n)) { - switch(n) { - case 1: - *(u8 *)to = *(u8 __force *)from; - return 0; - case 2: - *(u16 *)to = *(u16 __force *)from; - return 0; - case 4: - *(u32 *)to = *(u32 __force *)from; - return 0; -#ifdef CONFIG_64BIT - case 8: - *(u64 *)to = *(u64 __force *)from; - return 0; -#endif - default: - break; - } - } - - memcpy(to, (const void __force *)from, n); - return 0; -} -#endif - -#ifndef __copy_to_user -static inline __must_check long __copy_to_user(void __user *to, - const void *from, unsigned long n) -{ - if (__builtin_constant_p(n)) { - switch(n) { - case 1: - *(u8 __force *)to = *(u8 *)from; - return 0; - case 2: - *(u16 __force *)to = *(u16 *)from; - return 0; - case 4: - *(u32 __force *)to = *(u32 *)from; - return 0; -#ifdef CONFIG_64BIT - case 8: - *(u64 __force *)to = *(u64 *)from; - return 0; -#endif - default: - break; - } - } - - memcpy((void __force *)to, from, n); - return 0; -} -#endif - /* * These are the main single-value transfer routines. They automatically * use the right size if we just have the right pointer type. -- cgit v1.2.3