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sparc64: Delete now unused user copy fixup functions.

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Now that all of the user copy routines are converted to return
accurate residual lengths when an exception occurs, we no longer need
the broken fixup routines.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2016-10-24 21:25:31 -07:00
parent 614da3d968
commit 0fd0ff01d4
3 changed files with 4 additions and 105 deletions
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36
arch/sparc/include/asm/uaccess_64.h
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@@ -188,64 +188,34 @@ int __get_user_bad(void);
unsigned long __must_check ___copy_from_user(void *to,
const void __user *from,
unsigned long size);
unsigned long copy_from_user_fixup(void *to, const void __user *from,
unsigned long size);
static inline unsigned long __must_check
copy_from_user(void *to, const void __user *from, unsigned long size)
{
unsigned long ret;
check_object_size(to, size, false);
ret = ___copy_from_user(to, from, size);
if (unlikely(ret)) {
if ((long)ret < 0)
ret = copy_from_user_fixup(to, from, size);
return ret;
}
return ret;
return ___copy_from_user(to, from, size);
}
#define __copy_from_user copy_from_user
unsigned long __must_check ___copy_to_user(void __user *to,
const void *from,
unsigned long size);
unsigned long copy_to_user_fixup(void __user *to, const void *from,
unsigned long size);
static inline unsigned long __must_check
copy_to_user(void __user *to, const void *from, unsigned long size)
{
unsigned long ret;
check_object_size(from, size, true);
ret = ___copy_to_user(to, from, size);
if (unlikely(ret)) {
if ((long)ret < 0)
ret = copy_to_user_fixup(to, from, size);
return ret;
}
return ret;
return ___copy_to_user(to, from, size);
}
#define __copy_to_user copy_to_user
unsigned long __must_check ___copy_in_user(void __user *to,
const void __user *from,
unsigned long size);
unsigned long copy_in_user_fixup(void __user *to, void __user *from,
unsigned long size);
static inline unsigned long __must_check
copy_in_user(void __user *to, void __user *from, unsigned long size)
{
unsigned long ret = ___copy_in_user(to, from, size);
if (unlikely(ret)) {
if ((long)ret < 0)
ret = copy_in_user_fixup(to, from, size);
return ret;
}
return ret;
return ___copy_in_user(to, from, size);
}
#define __copy_in_user copy_in_user