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Subject[PATCH 4/4] x86: signal_64: make setup_sigcontext() similar
From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>

remove passing task struct.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
---
arch/x86/kernel/signal_64.c | 12 +++++-------
1 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index 97d26fa..3868c2a 100644
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -160,8 +160,7 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)

static inline int
setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
- struct pt_regs *regs,
- unsigned long mask, struct task_struct *me)
+ struct pt_regs *regs, unsigned long mask)
{
int err = 0;

@@ -185,13 +184,13 @@ setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
err |= __put_user(regs->r13, &sc->r13);
err |= __put_user(regs->r14, &sc->r14);
err |= __put_user(regs->r15, &sc->r15);
- err |= __put_user(me->thread.trap_no, &sc->trapno);
- err |= __put_user(me->thread.error_code, &sc->err);
+ err |= __put_user(current->thread.trap_no, &sc->trapno);
+ err |= __put_user(current->thread.error_code, &sc->err);
err |= __put_user(regs->ip, &sc->ip);
err |= __put_user(regs->flags, &sc->flags);
err |= __put_user(fpstate, &sc->fpstate);
err |= __put_user(mask, &sc->oldmask);
- err |= __put_user(me->thread.cr2, &sc->cr2);
+ err |= __put_user(current->thread.cr2, &sc->cr2);

return err;
}
@@ -251,8 +250,7 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
err |= __put_user(sas_ss_flags(regs->sp),
&frame->uc.uc_stack.ss_flags);
err |= __put_user(me->sas_ss_size, &frame->uc.uc_stack.ss_size);
- err |= setup_sigcontext(&frame->uc.uc_mcontext, fp,
- regs, set->sig[0], me);
+ err |= setup_sigcontext(&frame->uc.uc_mcontext, fp, regs, set->sig[0]);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));

/* Set up to return from userspace. If provided, use a stub
--
1.5.6


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