diff options
Diffstat (limited to 'arch/powerpc/kernel/signal_64.c')
-rw-r--r-- | arch/powerpc/kernel/signal_64.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 97c1e4b..115d110 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -708,20 +708,19 @@ badframe: return 0; } -int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs *regs) +int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs) { struct rt_sigframe __user *frame; unsigned long newsp = 0; long err = 0; - frame = get_sigframe(ka, get_tm_stackpointer(regs), sizeof(*frame), 0); + frame = get_sigframe(&ksig->ka, get_tm_stackpointer(regs), sizeof(*frame), 0); if (unlikely(frame == NULL)) goto badframe; err |= __put_user(&frame->info, &frame->pinfo); err |= __put_user(&frame->uc, &frame->puc); - err |= copy_siginfo_to_user(&frame->info, info); + err |= copy_siginfo_to_user(&frame->info, &ksig->info); if (err) goto badframe; @@ -736,15 +735,15 @@ int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info, err |= __put_user(&frame->uc_transact, &frame->uc.uc_link); err |= setup_tm_sigcontexts(&frame->uc.uc_mcontext, &frame->uc_transact.uc_mcontext, - regs, signr, + regs, ksig->sig, NULL, - (unsigned long)ka->sa.sa_handler); + (unsigned long)ksig->ka.sa.sa_handler); } else #endif { err |= __put_user(0, &frame->uc.uc_link); - err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, signr, - NULL, (unsigned long)ka->sa.sa_handler, + err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, ksig->sig, + NULL, (unsigned long)ksig->ka.sa.sa_handler, 1); } err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); @@ -770,7 +769,7 @@ int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info, /* Set up "regs" so we "return" to the signal handler. */ if (is_elf2_task()) { - regs->nip = (unsigned long) ka->sa.sa_handler; + regs->nip = (unsigned long) ksig->ka.sa.sa_handler; regs->gpr[12] = regs->nip; } else { /* Handler is *really* a pointer to the function descriptor for @@ -779,7 +778,7 @@ int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info, * entry is the TOC value we need to use. */ func_descr_t __user *funct_desc_ptr = - (func_descr_t __user *) ka->sa.sa_handler; + (func_descr_t __user *) ksig->ka.sa.sa_handler; err |= get_user(regs->nip, &funct_desc_ptr->entry); err |= get_user(regs->gpr[2], &funct_desc_ptr->toc); @@ -789,9 +788,9 @@ int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info, regs->msr &= ~MSR_LE; regs->msr |= (MSR_KERNEL & MSR_LE); regs->gpr[1] = newsp; - regs->gpr[3] = signr; + regs->gpr[3] = ksig->sig; regs->result = 0; - if (ka->sa.sa_flags & SA_SIGINFO) { + if (ksig->ka.sa.sa_flags & SA_SIGINFO) { err |= get_user(regs->gpr[4], (unsigned long __user *)&frame->pinfo); err |= get_user(regs->gpr[5], (unsigned long __user *)&frame->puc); regs->gpr[6] = (unsigned long) frame; @@ -801,7 +800,7 @@ int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info, if (err) goto badframe; - return 1; + return 0; badframe: if (show_unhandled_signals) @@ -809,6 +808,5 @@ badframe: current->comm, current->pid, "setup_rt_frame", (long)frame, regs->nip, regs->link); - force_sigsegv(signr, current); - return 0; + return 1; } |