diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-23 03:22:04 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-03 18:16:05 -0500 |
| commit | 6e26aab98ce8a818fb1ec47f8f727a8480a9011b (patch) | |
| tree | 3579b895d5b4ff1343b54686d91381d16a1313f0 /arch/parisc/kernel/signal.c | |
| parent | 0aa0203fb43f04714004b2c4ad33b858e240555d (diff) | |
| download | linux-6e26aab98ce8a818fb1ec47f8f727a8480a9011b.tar.bz2 | |
parisc: switch to generic sigaltstack
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/parisc/kernel/signal.c')
| -rw-r--r-- | arch/parisc/kernel/signal.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 537996955998..64d315f6d2a4 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -143,7 +143,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall) goto give_sigsegv; DBG(1,"sys_rt_sigreturn: usp %#08lx stack 0x%p\n", usp, &compat_frame->uc.uc_stack); - if (do_sigaltstack32(&compat_frame->uc.uc_stack, NULL, usp) == -EFAULT) + if (compat_restore_altstack(&compat_frame->uc.uc_stack)) goto give_sigsegv; } else #endif @@ -154,7 +154,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall) goto give_sigsegv; DBG(1,"sys_rt_sigreturn: usp %#08lx stack 0x%p\n", usp, &frame->uc.uc_stack); - if (do_sigaltstack(&frame->uc.uc_stack, NULL, usp) == -EFAULT) + if (restore_altstack(&frame->uc.uc_stack)) goto give_sigsegv; } @@ -260,15 +260,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, if (is_compat_task()) { DBG(1,"setup_rt_frame: frame->info = 0x%p\n", &compat_frame->info); err |= copy_siginfo_to_user32(&compat_frame->info, info); - DBG(1,"SETUP_RT_FRAME: 1\n"); - compat_val = (compat_int_t)current->sas_ss_sp; - err |= __put_user(compat_val, &compat_frame->uc.uc_stack.ss_sp); - DBG(1,"SETUP_RT_FRAME: 2\n"); - compat_val = (compat_int_t)current->sas_ss_size; - err |= __put_user(compat_val, &compat_frame->uc.uc_stack.ss_size); - DBG(1,"SETUP_RT_FRAME: 3\n"); - compat_val = sas_ss_flags(regs->gr[30]); - err |= __put_user(compat_val, &compat_frame->uc.uc_stack.ss_flags); + err |= __compat_save_altstack( &compat_frame->uc.uc_stack, regs->gr[30]); DBG(1,"setup_rt_frame: frame->uc = 0x%p\n", &compat_frame->uc); DBG(1,"setup_rt_frame: frame->uc.uc_mcontext = 0x%p\n", &compat_frame->uc.uc_mcontext); err |= setup_sigcontext32(&compat_frame->uc.uc_mcontext, @@ -280,10 +272,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, { DBG(1,"setup_rt_frame: frame->info = 0x%p\n", &frame->info); err |= copy_siginfo_to_user(&frame->info, info); - err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); - err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); - err |= __put_user(sas_ss_flags(regs->gr[30]), - &frame->uc.uc_stack.ss_flags); + err |= __save_altstack(&frame->uc.uc_stack, regs->gr[30]); DBG(1,"setup_rt_frame: frame->uc = 0x%p\n", &frame->uc); DBG(1,"setup_rt_frame: frame->uc.uc_mcontext = 0x%p\n", &frame->uc.uc_mcontext); err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, in_syscall); |