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authorChristophe Leroy <christophe.leroy@csgroup.eu>2021-03-10 17:46:51 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2021-04-03 21:22:08 +1100
commit17f8c0bc21bbb7d1fe729c7f656924a6ea72079b (patch)
tree8a2af2f06c09ec7fa68ee5fbc11bd207d6dce450 /arch/powerpc/include/asm/uaccess.h
parentpowerpc/uaccess: Split out __get_user_nocheck() (diff)
downloadlinux-dev-17f8c0bc21bbb7d1fe729c7f656924a6ea72079b.tar.xz
linux-dev-17f8c0bc21bbb7d1fe729c7f656924a6ea72079b.zip
powerpc/uaccess: Rename __get/put_user_check/nocheck
__get_user_check() becomes get_user() __put_user_check() becomes put_user() __get_user_nocheck() becomes __get_user() __put_user_nocheck() becomes __put_user() Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/41d7e45f4733f0e61e63824e4865b4e049db74d6.1615398265.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/include/asm/uaccess.h')
-rw-r--r--arch/powerpc/include/asm/uaccess.h30
1 files changed, 10 insertions, 20 deletions
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index 2395bdc991bd..065af18e4b56 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -43,16 +43,6 @@ static inline bool __access_ok(unsigned long addr, unsigned long size)
* exception handling means that it's no longer "just"...)
*
*/
-#define get_user(x, ptr) \
- __get_user_check((x), (ptr), sizeof(*(ptr)))
-#define put_user(x, ptr) \
- __put_user_check((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
-
-#define __get_user(x, ptr) \
- __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
-#define __put_user(x, ptr) \
- __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
-
#define __put_user_size(x, ptr, size, retval) \
do { \
__label__ __pu_failed; \
@@ -68,12 +58,12 @@ __pu_failed: \
prevent_write_to_user(ptr, size); \
} while (0)
-#define __put_user_nocheck(x, ptr, size) \
+#define __put_user(x, ptr) \
({ \
long __pu_err; \
__typeof__(*(ptr)) __user *__pu_addr = (ptr); \
- __typeof__(*(ptr)) __pu_val = (x); \
- __typeof__(size) __pu_size = (size); \
+ __typeof__(*(ptr)) __pu_val = (__typeof__(*(ptr)))(x); \
+ __typeof__(sizeof(*(ptr))) __pu_size = sizeof(*(ptr)); \
\
might_fault(); \
__put_user_size(__pu_val, __pu_addr, __pu_size, __pu_err); \
@@ -81,12 +71,12 @@ __pu_failed: \
__pu_err; \
})
-#define __put_user_check(x, ptr, size) \
+#define put_user(x, ptr) \
({ \
long __pu_err = -EFAULT; \
__typeof__(*(ptr)) __user *__pu_addr = (ptr); \
- __typeof__(*(ptr)) __pu_val = (x); \
- __typeof__(size) __pu_size = (size); \
+ __typeof__(*(ptr)) __pu_val = (__typeof__(*(ptr)))(x); \
+ __typeof__(sizeof(*(ptr))) __pu_size = sizeof(*(ptr)); \
\
might_fault(); \
if (access_ok(__pu_addr, __pu_size)) \
@@ -216,12 +206,12 @@ do { \
#define __long_type(x) \
__typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL))
-#define __get_user_nocheck(x, ptr, size) \
+#define __get_user(x, ptr) \
({ \
long __gu_err; \
__long_type(*(ptr)) __gu_val; \
__typeof__(*(ptr)) __user *__gu_addr = (ptr); \
- __typeof__(size) __gu_size = (size); \
+ __typeof__(sizeof(*(ptr))) __gu_size = sizeof(*(ptr)); \
\
might_fault(); \
__get_user_size(__gu_val, __gu_addr, __gu_size, __gu_err); \
@@ -230,12 +220,12 @@ do { \
__gu_err; \
})
-#define __get_user_check(x, ptr, size) \
+#define get_user(x, ptr) \
({ \
long __gu_err = -EFAULT; \
__long_type(*(ptr)) __gu_val = 0; \
__typeof__(*(ptr)) __user *__gu_addr = (ptr); \
- __typeof__(size) __gu_size = (size); \
+ __typeof__(sizeof(*(ptr))) __gu_size = sizeof(*(ptr)); \
\
might_fault(); \
if (access_ok(__gu_addr, __gu_size)) \