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authorHiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>2008-11-05 18:32:54 -0800
committerIngo Molnar <mingo@elte.hu>2008-11-06 08:02:00 +0100
commit99ea1b93bf80a287dd70499b96d9c4d06f320ff2 (patch)
tree9ad4c59c9019050229223b08730394c8825ecca7 /arch/x86/ia32
parent4b33669e817a01dd99ff91df330d504ccfb2e99c (diff)
downloadop-kernel-dev-99ea1b93bf80a287dd70499b96d9c4d06f320ff2.zip
op-kernel-dev-99ea1b93bf80a287dd70499b96d9c4d06f320ff2.tar.gz
x86: ia32_signal: do save_i387_xstate_ia32 at get_sigframe()
Impact: cleanup move calling save_i387_xstate_ia32() into get_sigframe() from setup_sigcontext(). Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/ia32')
-rw-r--r--arch/x86/ia32/ia32_signal.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index 4bc02b2..47ddc23 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;
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