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semtimedop(): move compat to native

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... and finally kill the sodding compat_convert_timespec()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2017-07-09 10:50:14 -04:00
parent a78ee9ed2f
commit 44ee454670
4 changed files with 33 additions and 53 deletions
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23
kernel/compat.c
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@@ -200,29 +200,6 @@ int compat_put_timespec(const struct timespec *ts, void __user *uts)
}
EXPORT_SYMBOL_GPL(compat_put_timespec);
int compat_convert_timespec(struct timespec __user **kts,
const void __user *cts)
{
struct timespec ts;
struct timespec __user *uts;
if (!cts || COMPAT_USE_64BIT_TIME) {
*kts = (struct timespec __user *)cts;
return 0;
}
uts = compat_alloc_user_space(sizeof(ts));
if (!uts)
return -EFAULT;
if (compat_get_timespec(&ts, cts))
return -EFAULT;
if (copy_to_user(uts, &ts, sizeof(ts)))
return -EFAULT;
*kts = uts;
return 0;
}
int get_compat_itimerval(struct itimerval *o, const struct compat_itimerval __user *i)
{
struct compat_itimerval v32;