lkml.org 
[lkml]   [2008]   [Nov]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
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


\
 
 \ /
  Last update: 2008-11-06 03:37    [W:0.033 / U:0.316 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site