From: Hiroshi Shimamoto Date: Thu, 6 Nov 2008 02:32:54 +0000 (-0800) Subject: x86: ia32_signal: do save_i387_xstate_ia32 at get_sigframe() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=99ea1b93bf80a287dd70499b96d9c4d06f320ff2;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git 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 Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index 4bc02b23674b..47ddc23f4f54 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;