Commit ec56b1d4 authored by Markos Chandras's avatar Markos Chandras Committed by Ralf Baechle

MIPS: asm: uaccess: Move duplicated code to common function

Similar to __get_user_* functions, move common code to
__put_user_*_common so it can be shared among similar users.
Signed-off-by: default avatarMarkos Chandras <markos.chandras@imgtec.com>
parent d84869a1
......@@ -326,13 +326,8 @@ do { \
#define __PUT_USER_DW(insn, ptr) __put_user_asm("sd", ptr)
#endif
#define __put_user_nocheck(x, ptr, size) \
({ \
__typeof__(*(ptr)) __pu_val; \
int __pu_err = 0; \
\
__chk_user_ptr(ptr); \
__pu_val = (x); \
#define __put_user_common(ptr, size) \
do { \
switch (size) { \
case 1: __put_user_asm("sb", ptr); break; \
case 2: __put_user_asm("sh", ptr); break; \
......@@ -340,6 +335,16 @@ do { \
case 8: __PUT_USER_DW("sw", ptr); break; \
default: __put_user_unknown(); break; \
} \
} while (0)
#define __put_user_nocheck(x, ptr, size) \
({ \
__typeof__(*(ptr)) __pu_val; \
int __pu_err = 0; \
\
__chk_user_ptr(ptr); \
__pu_val = (x); \
__put_user_common(ptr, size); \
__pu_err; \
})
......@@ -350,15 +355,9 @@ do { \
int __pu_err = -EFAULT; \
\
might_fault(); \
if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) { \
switch (size) { \
case 1: __put_user_asm("sb", __pu_addr); break; \
case 2: __put_user_asm("sh", __pu_addr); break; \
case 4: __put_user_asm("sw", __pu_addr); break; \
case 8: __PUT_USER_DW("sw", __pu_addr); break; \
default: __put_user_unknown(); break; \
} \
} \
if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) \
__put_user_common(__pu_addr, size); \
\
__pu_err; \
})
......@@ -594,19 +593,23 @@ do { \
#define __PUT_USER_UNALIGNED_DW(ptr) __put_user_unaligned_asm("usd", ptr)
#endif
#define __put_user_unaligned_nocheck(x,ptr,size) \
({ \
__typeof__(*(ptr)) __pu_val; \
int __pu_err = 0; \
\
__pu_val = (x); \
#define __put_user_unaligned_common(ptr, size) \
do { \
switch (size) { \
case 1: __put_user_asm("sb", ptr); break; \
case 2: __put_user_unaligned_asm("ush", ptr); break; \
case 4: __put_user_unaligned_asm("usw", ptr); break; \
case 8: __PUT_USER_UNALIGNED_DW(ptr); break; \
default: __put_user_unaligned_unknown(); break; \
} \
} while (0)
#define __put_user_unaligned_nocheck(x,ptr,size) \
({ \
__typeof__(*(ptr)) __pu_val; \
int __pu_err = 0; \
\
__pu_val = (x); \
__put_user_unaligned_common(ptr, size); \
__pu_err; \
})
......@@ -616,15 +619,9 @@ do { \
__typeof__(*(ptr)) __pu_val = (x); \
int __pu_err = -EFAULT; \
\
if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) { \
switch (size) { \
case 1: __put_user_asm("sb", __pu_addr); break; \
case 2: __put_user_unaligned_asm("ush", __pu_addr); break; \
case 4: __put_user_unaligned_asm("usw", __pu_addr); break; \
case 8: __PUT_USER_UNALGINED_DW(__pu_addr); break; \
default: __put_user_unaligned_unknown(); break; \
} \
} \
if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) \
__put_user_unaligned_common(__pu_addr, size); \
\
__pu_err; \
})
......
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