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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-12-27 16:21:09 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-04-07 01:35:50 +0200 |
| commit | 11836ecee96e8e1a62d5bd3ddd60eb9ecc01c375 (patch) | |
| tree | 9400b15279072efc799a715b06d41cb2d133b242 /arch/ia64/include/asm | |
| parent | ia64: get rid of 'segment' argument of __{get,put}_user_check() (diff) | |
| download | linux-11836ecee96e8e1a62d5bd3ddd60eb9ecc01c375.tar.xz linux-11836ecee96e8e1a62d5bd3ddd60eb9ecc01c375.zip | |
ia64: get rid of 'segment' argument of __do_{get,put}_user()
it's only evaluated if the first argument is not 0, and in those
cases it's always equal to get_fs()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/ia64/include/asm')
| -rw-r--r-- | arch/ia64/include/asm/uaccess.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h index 4132497d8ee6..24b39341f816 100644 --- a/arch/ia64/include/asm/uaccess.h +++ b/arch/ia64/include/asm/uaccess.h @@ -180,13 +180,13 @@ extern void __get_user_unknown (void); * could clobber r8 and r9 (among others). Thus, be careful not to evaluate it while * using r8/r9. */ -#define __do_get_user(check, x, ptr, size, segment) \ +#define __do_get_user(check, x, ptr, size) \ ({ \ const __typeof__(*(ptr)) __user *__gu_ptr = (ptr); \ __typeof__ (size) __gu_size = (size); \ long __gu_err = -EFAULT; \ unsigned long __gu_val = 0; \ - if (!check || __access_ok(__gu_ptr, size, segment)) \ + if (!check || __access_ok(__gu_ptr, size, get_fs())) \ switch (__gu_size) { \ case 1: __get_user_size(__gu_val, __gu_ptr, 1, __gu_err); break; \ case 2: __get_user_size(__gu_val, __gu_ptr, 2, __gu_err); break; \ @@ -198,8 +198,8 @@ extern void __get_user_unknown (void); __gu_err; \ }) -#define __get_user_nocheck(x, ptr, size) __do_get_user(0, x, ptr, size, KERNEL_DS) -#define __get_user_check(x, ptr, size) __do_get_user(1, x, ptr, size, get_fs()) +#define __get_user_nocheck(x, ptr, size) __do_get_user(0, x, ptr, size) +#define __get_user_check(x, ptr, size) __do_get_user(1, x, ptr, size) extern void __put_user_unknown (void); @@ -207,14 +207,14 @@ extern void __put_user_unknown (void); * Evaluating arguments X, PTR, SIZE, and SEGMENT may involve subroutine-calls, which * could clobber r8 (among others). Thus, be careful not to evaluate them while using r8. */ -#define __do_put_user(check, x, ptr, size, segment) \ +#define __do_put_user(check, x, ptr, size) \ ({ \ __typeof__ (x) __pu_x = (x); \ __typeof__ (*(ptr)) __user *__pu_ptr = (ptr); \ __typeof__ (size) __pu_size = (size); \ long __pu_err = -EFAULT; \ \ - if (!check || __access_ok(__pu_ptr, __pu_size, segment)) \ + if (!check || __access_ok(__pu_ptr, __pu_size, get_fs())) \ switch (__pu_size) { \ case 1: __put_user_size(__pu_x, __pu_ptr, 1, __pu_err); break; \ case 2: __put_user_size(__pu_x, __pu_ptr, 2, __pu_err); break; \ @@ -225,8 +225,8 @@ extern void __put_user_unknown (void); __pu_err; \ }) -#define __put_user_nocheck(x, ptr, size) __do_put_user(0, x, ptr, size, KERNEL_DS) -#define __put_user_check(x, ptr, size) __do_put_user(1, x, ptr, size, get_fs()) +#define __put_user_nocheck(x, ptr, size) __do_put_user(0, x, ptr, size) +#define __put_user_check(x, ptr, size) __do_put_user(1, x, ptr, size) /* * Complex access routines |