-/* $Id: signal.c,v 1.21 2004/06/28 13:18:44 doyu Exp $
- *
+/*
* linux/arch/sh/kernel/signal.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
if (act) {
old_sigset_t mask;
- if (verify_area(VERIFY_READ, act, sizeof(*act)) ||
+ if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
__get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
__get_user(new_ka.sa.sa_restorer, &act->sa_restorer))
return -EFAULT;
ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
if (!ret && oact) {
- if (verify_area(VERIFY_WRITE, oact, sizeof(*oact)) ||
+ if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
__put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
__put_user(old_ka.sa.sa_restorer, &oact->sa_restorer))
return -EFAULT;
sigset_t set;
int r0;
- if (verify_area(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
goto badframe;
if (__get_user(set.sig[0], &frame->sc.oldmask)
stack_t st;
int r0;
- if (verify_area(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
goto badframe;
if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
static inline void __user *
get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size)
{
- if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && ! on_sig_stack(sp))
- sp = current->sas_ss_sp + current->sas_ss_size;
+ if (ka->sa.sa_flags & SA_ONSTACK) {
+ if (sas_ss_flags(sp) == 0)
+ sp = current->sas_ss_sp + current->sas_ss_size;
+ }
return (void __user *)((sp - frame_size) & -8ul);
}