summaryrefslogtreecommitdiffstats
path: root/arch/parisc/kernel/signal.c
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2012-12-23 03:22:04 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-02-03 18:16:05 -0500
commit6e26aab98ce8a818fb1ec47f8f727a8480a9011b (patch)
tree3579b895d5b4ff1343b54686d91381d16a1313f0 /arch/parisc/kernel/signal.c
parent0aa0203fb43f04714004b2c4ad33b858e240555d (diff)
downloadop-kernel-dev-6e26aab98ce8a818fb1ec47f8f727a8480a9011b.zip
op-kernel-dev-6e26aab98ce8a818fb1ec47f8f727a8480a9011b.tar.gz
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.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 5379969..64d315f 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);
OpenPOWER on IntegriCloud