diff options
Diffstat (limited to 'arch/xtensa/include/asm/uaccess.h')
| -rw-r--r-- | arch/xtensa/include/asm/uaccess.h | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h index f1158b4c629c..4b2480304bc3 100644 --- a/arch/xtensa/include/asm/uaccess.h +++ b/arch/xtensa/include/asm/uaccess.h @@ -42,7 +42,7 @@ #define __user_ok(addr, size) \ (((size) <= TASK_SIZE)&&((addr) <= TASK_SIZE-(size))) #define __access_ok(addr, size) (__kernel_ok || __user_ok((addr), (size))) -#define access_ok(type, addr, size) __access_ok((unsigned long)(addr), (size)) +#define access_ok(addr, size) __access_ok((unsigned long)(addr), (size)) #define user_addr_max() (uaccess_kernel() ? ~0UL : TASK_SIZE) @@ -86,7 +86,7 @@ extern long __put_user_bad(void); ({ \ long __pu_err = -EFAULT; \ __typeof__(*(ptr)) *__pu_addr = (ptr); \ - if (access_ok(VERIFY_WRITE, __pu_addr, size)) \ + if (access_ok(__pu_addr, size)) \ __put_user_size((x), __pu_addr, (size), __pu_err); \ __pu_err; \ }) @@ -159,10 +159,9 @@ __asm__ __volatile__( \ "2: \n" \ " .section .fixup,\"ax\" \n" \ " .align 4 \n" \ - "4: \n" \ - " .long 2b \n" \ + " .literal_position \n" \ "5: \n" \ - " l32r %1, 4b \n" \ + " movi %1, 2b \n" \ " movi %0, %4 \n" \ " jx %1 \n" \ " .previous \n" \ @@ -184,7 +183,7 @@ __asm__ __volatile__( \ ({ \ long __gu_err = -EFAULT, __gu_val = 0; \ const __typeof__(*(ptr)) *__gu_addr = (ptr); \ - if (access_ok(VERIFY_READ, __gu_addr, size)) \ + if (access_ok(__gu_addr, size)) \ __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ (x) = (__force __typeof__(*(ptr)))__gu_val; \ __gu_err; \ @@ -217,10 +216,9 @@ __asm__ __volatile__( \ "2: \n" \ " .section .fixup,\"ax\" \n" \ " .align 4 \n" \ - "4: \n" \ - " .long 2b \n" \ + " .literal_position \n" \ "5: \n" \ - " l32r %1, 4b \n" \ + " movi %1, 2b \n" \ " movi %2, 0 \n" \ " movi %0, %4 \n" \ " jx %1 \n" \ @@ -271,7 +269,7 @@ __xtensa_clear_user(void *addr, unsigned long size) static inline unsigned long clear_user(void *addr, unsigned long size) { - if (access_ok(VERIFY_WRITE, addr, size)) + if (access_ok(addr, size)) return __xtensa_clear_user(addr, size); return size ? -EFAULT : 0; } @@ -286,7 +284,7 @@ extern long __strncpy_user(char *, const char *, long); static inline long strncpy_from_user(char *dst, const char *src, long count) { - if (access_ok(VERIFY_READ, src, 1)) + if (access_ok(src, 1)) return __strncpy_user(dst, src, count); return -EFAULT; } |