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Subject[PATCH 2/4] x86: ia32_signal: do save_i387_xstate_ia32 at get_sigframe()
From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>

move calling save_i387_xstate_ia32() into get_sigframe() from
setup_sigcontext().

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
---
arch/x86/ia32/ia32_signal.c | 9 +++------
1 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index e82ebd6..bafc0b4 100644
--- a/arch/x86/ia32/ia32_signal.c
+++ b/arch/x86/ia32/ia32_signal.c
@@ -367,12 +367,7 @@ static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc,
err |= __put_user(regs->flags, &sc->flags);
err |= __put_user(regs->sp, &sc->sp_at_signal);

- tmp = save_i387_xstate_ia32(fpstate);
- if (tmp < 0)
- err = -EFAULT;
- else
- err |= __put_user(ptr_to_compat(tmp ? fpstate : NULL),
- &sc->fpstate);
+ err |= __put_user(ptr_to_compat(fpstate), &sc->fpstate);

/* non-iBCS2 extensions.. */
err |= __put_user(mask, &sc->oldmask);
@@ -408,6 +403,8 @@ static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
if (used_math()) {
sp = sp - sig_xstate_ia32_size;
*fpstate = (struct _fpstate_ia32 *) sp;
+ if (save_i387_xstate_ia32(*fpstate) < 0)
+ return (void __user *) -1L;
}

sp -= frame_size;
--
1.5.6


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