diff options
Diffstat (limited to 'arch/powerpc/kernel/signal_32.c')
-rw-r--r-- | arch/powerpc/kernel/signal_32.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index ee62ff7b296c..aded81169648 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -873,63 +873,6 @@ static long restore_tm_user_regs(struct pt_regs *regs, #endif #ifdef CONFIG_PPC64 -int copy_siginfo_to_user32(struct compat_siginfo __user *d, const siginfo_t *s) -{ - int err; - - if (!access_ok (VERIFY_WRITE, d, sizeof(*d))) - return -EFAULT; - - /* If you change siginfo_t structure, please be sure - * this code is fixed accordingly. - * It should never copy any pad contained in the structure - * to avoid security leaks, but must copy the generic - * 3 ints plus the relevant union member. - * This routine must convert siginfo from 64bit to 32bit as well - * at the same time. - */ - err = __put_user(s->si_signo, &d->si_signo); - err |= __put_user(s->si_errno, &d->si_errno); - err |= __put_user(s->si_code, &d->si_code); - if (s->si_code < 0) - err |= __copy_to_user(&d->_sifields._pad, &s->_sifields._pad, - SI_PAD_SIZE32); - else switch(siginfo_layout(s->si_signo, s->si_code)) { - case SIL_CHLD: - err |= __put_user(s->si_pid, &d->si_pid); - err |= __put_user(s->si_uid, &d->si_uid); - err |= __put_user(s->si_utime, &d->si_utime); - err |= __put_user(s->si_stime, &d->si_stime); - err |= __put_user(s->si_status, &d->si_status); - break; - case SIL_FAULT: - err |= __put_user((unsigned int)(unsigned long)s->si_addr, - &d->si_addr); - break; - case SIL_POLL: - err |= __put_user(s->si_band, &d->si_band); - err |= __put_user(s->si_fd, &d->si_fd); - break; - case SIL_TIMER: - err |= __put_user(s->si_tid, &d->si_tid); - err |= __put_user(s->si_overrun, &d->si_overrun); - err |= __put_user(s->si_int, &d->si_int); - break; - case SIL_SYS: - err |= __put_user(ptr_to_compat(s->si_call_addr), &d->si_call_addr); - err |= __put_user(s->si_syscall, &d->si_syscall); - err |= __put_user(s->si_arch, &d->si_arch); - break; - case SIL_RT: - err |= __put_user(s->si_int, &d->si_int); - /* fallthrough */ - case SIL_KILL: - err |= __put_user(s->si_pid, &d->si_pid); - err |= __put_user(s->si_uid, &d->si_uid); - break; - } - return err; -} #define copy_siginfo_to_user copy_siginfo_to_user32 |