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Diffstat (limited to 'arch/sh/kernel/signal_32.c')
-rw-r--r--arch/sh/kernel/signal_32.c20
1 files changed, 2 insertions, 18 deletions
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index 2f1f653..e540d07 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -89,17 +89,6 @@ sys_sigaction(int sig, const struct old_sigaction __user *act,
return ret;
}
-asmlinkage int
-sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
- unsigned long r6, unsigned long r7,
- struct pt_regs __regs)
-{
- struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
-
- return do_sigaltstack(uss, uoss, regs->regs[15]);
-}
-
-
/*
* Do a signal return; undo the signal stack.
*/
@@ -257,8 +246,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &r0))
goto badframe;
- if (do_sigaltstack(&frame->uc.uc_stack, NULL,
- regs->regs[15]) == -EFAULT)
+ if (restore_altstack(&frame->uc.uc_stack))
goto badframe;
return r0;
@@ -423,11 +411,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
/* Create the ucontext. */
err |= __put_user(0, &frame->uc.uc_flags);
err |= __put_user(NULL, &frame->uc.uc_link);
- err |= __put_user((void *)current->sas_ss_sp,
- &frame->uc.uc_stack.ss_sp);
- err |= __put_user(sas_ss_flags(regs->regs[15]),
- &frame->uc.uc_stack.ss_flags);
- err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
+ err |= __save_altstack(&frame->uc.uc_stack, regs->regs[15]);
err |= setup_sigcontext(&frame->uc.uc_mcontext,
regs, set->sig[0]);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
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