diff options
Diffstat (limited to 'arch/powerpc/include/asm/uaccess.h')
-rw-r--r-- | arch/powerpc/include/asm/uaccess.h | 59 |
1 files changed, 9 insertions, 50 deletions
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index b19883f6273c..5c0d8a8cdae5 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -269,42 +269,19 @@ extern unsigned long __copy_tofrom_user(void __user *to, #ifndef __powerpc64__ -static inline unsigned long copy_from_user(void *to, - const void __user *from, unsigned long n) -{ - if (likely(access_ok(VERIFY_READ, from, n))) { - check_object_size(to, n, false); - return __copy_tofrom_user((__force void __user *)to, from, n); - } - memset(to, 0, n); - return n; -} - -static inline unsigned long copy_to_user(void __user *to, - const void *from, unsigned long n) -{ - if (access_ok(VERIFY_WRITE, to, n)) { - check_object_size(from, n, true); - return __copy_tofrom_user(to, (__force void __user *)from, n); - } - return n; -} +#define INLINE_COPY_FROM_USER +#define INLINE_COPY_TO_USER #else /* __powerpc64__ */ -#define __copy_in_user(to, from, size) \ - __copy_tofrom_user((to), (from), (size)) - -extern unsigned long copy_from_user(void *to, const void __user *from, - unsigned long n); -extern unsigned long copy_to_user(void __user *to, const void *from, - unsigned long n); -extern unsigned long copy_in_user(void __user *to, const void __user *from, - unsigned long n); - +static inline unsigned long +raw_copy_in_user(void __user *to, const void __user *from, unsigned long n) +{ + return __copy_tofrom_user(to, from, n); +} #endif /* __powerpc64__ */ -static inline unsigned long __copy_from_user_inatomic(void *to, +static inline unsigned long raw_copy_from_user(void *to, const void __user *from, unsigned long n) { if (__builtin_constant_p(n) && (n <= 8)) { @@ -328,12 +305,10 @@ static inline unsigned long __copy_from_user_inatomic(void *to, return 0; } - check_object_size(to, n, false); - return __copy_tofrom_user((__force void __user *)to, from, n); } -static inline unsigned long __copy_to_user_inatomic(void __user *to, +static inline unsigned long raw_copy_to_user(void __user *to, const void *from, unsigned long n) { if (__builtin_constant_p(n) && (n <= 8)) { @@ -357,25 +332,9 @@ static inline unsigned long __copy_to_user_inatomic(void __user *to, return 0; } - check_object_size(from, n, true); - return __copy_tofrom_user(to, (__force const void __user *)from, n); } -static inline unsigned long __copy_from_user(void *to, - const void __user *from, unsigned long size) -{ - might_fault(); - return __copy_from_user_inatomic(to, from, size); -} - -static inline unsigned long __copy_to_user(void __user *to, - const void *from, unsigned long size) -{ - might_fault(); - return __copy_to_user_inatomic(to, from, size); -} - extern unsigned long __clear_user(void __user *addr, unsigned long size); static inline unsigned long clear_user(void __user *addr, unsigned long size) |