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powerpc: switch to generic compat rt_sigaction()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-12-25 18:51:57 -05:00
parent a31dd96ff7
commit 5aa1cde2ed
3 changed files with 1 additions and 39 deletions
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30
arch/powerpc/kernel/signal_32.c
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@@ -579,36 +579,6 @@ static long restore_user_regs(struct pt_regs *regs,
}
#ifdef CONFIG_PPC64
long compat_sys_rt_sigaction(int sig, const struct sigaction32 __user *act,
struct sigaction32 __user *oact, size_t sigsetsize)
{
struct k_sigaction new_ka, old_ka;
int ret;
/* XXX: Don't preclude handling different sized sigset_t's. */
if (sigsetsize != sizeof(compat_sigset_t))
return -EINVAL;
if (act) {
compat_uptr_t handler;
ret = get_user(handler, &act->sa_handler);
new_ka.sa.sa_handler = compat_ptr(handler);
ret |= get_sigset_t(&new_ka.sa.sa_mask, &act->sa_mask);
ret |= __get_user(new_ka.sa.sa_flags, &act->sa_flags);
if (ret)
return -EFAULT;
}
ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
if (!ret && oact) {
ret = put_user(to_user_ptr(old_ka.sa.sa_handler), &oact->sa_handler);
ret |= put_sigset_t(&oact->sa_mask, &old_ka.sa.sa_mask);
ret |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
}
return ret;
}
int copy_siginfo_to_user32(struct compat_siginfo __user *d, siginfo_t *s)
{
int err;