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Diffstat (limited to 'arch/arm64/include/asm/uaccess.h')
-rw-r--r--arch/arm64/include/asm/uaccess.h36
1 files changed, 12 insertions, 24 deletions
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index f1e5c9165809..e5d5f31c6d36 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -267,7 +267,7 @@ static inline void __user *__uaccess_mask_ptr(const void __user *ptr)
: "+r" (err), "=&r" (x) \
: "r" (addr), "i" (-EFAULT))
-#define __get_user_err(x, ptr, err) \
+#define __raw_get_user(x, ptr, err) \
do { \
unsigned long __gu_val; \
__chk_user_ptr(ptr); \
@@ -296,28 +296,22 @@ do { \
(x) = (__force __typeof__(*(ptr)))__gu_val; \
} while (0)
-#define __get_user_check(x, ptr, err) \
-({ \
+#define __get_user_error(x, ptr, err) \
+do { \
__typeof__(*(ptr)) __user *__p = (ptr); \
might_fault(); \
if (access_ok(__p, sizeof(*__p))) { \
__p = uaccess_mask_ptr(__p); \
- __get_user_err((x), __p, (err)); \
+ __raw_get_user((x), __p, (err)); \
} else { \
(x) = 0; (err) = -EFAULT; \
} \
-})
-
-#define __get_user_error(x, ptr, err) \
-({ \
- __get_user_check((x), (ptr), (err)); \
- (void)0; \
-})
+} while (0)
#define __get_user(x, ptr) \
({ \
int __gu_err = 0; \
- __get_user_check((x), (ptr), __gu_err); \
+ __get_user_error((x), (ptr), __gu_err); \
__gu_err; \
})
@@ -337,7 +331,7 @@ do { \
: "+r" (err) \
: "r" (x), "r" (addr), "i" (-EFAULT))
-#define __put_user_err(x, ptr, err) \
+#define __raw_put_user(x, ptr, err) \
do { \
__typeof__(*(ptr)) __pu_val = (x); \
__chk_user_ptr(ptr); \
@@ -365,28 +359,22 @@ do { \
uaccess_disable_not_uao(); \
} while (0)
-#define __put_user_check(x, ptr, err) \
-({ \
+#define __put_user_error(x, ptr, err) \
+do { \
__typeof__(*(ptr)) __user *__p = (ptr); \
might_fault(); \
if (access_ok(__p, sizeof(*__p))) { \
__p = uaccess_mask_ptr(__p); \
- __put_user_err((x), __p, (err)); \
+ __raw_put_user((x), __p, (err)); \
} else { \
(err) = -EFAULT; \
} \
-})
-
-#define __put_user_error(x, ptr, err) \
-({ \
- __put_user_check((x), (ptr), (err)); \
- (void)0; \
-})
+} while (0)
#define __put_user(x, ptr) \
({ \
int __pu_err = 0; \
- __put_user_check((x), (ptr), __pu_err); \
+ __put_user_error((x), (ptr), __pu_err); \
__pu_err; \
})