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>
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 @@
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 @@
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;