diff options
Diffstat (limited to 'arch/sh/kernel/signal_32.c')
| -rw-r--r-- | arch/sh/kernel/signal_32.c | 20 |
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)); |
