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Commit 4b33669e authored by Hiroshi Shimamoto's avatar Hiroshi Shimamoto Committed by Ingo Molnar
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x86: signal_32: do save_i387_xstate() at get_sigframe() 



Impact: cleanup

move calling save_i387_xstate() into get_sigframe() from setup_sigcontext()
like 64bit.

Signed-off-by: default avatarHiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 124ffe14

arch/x86/kernel/signal_32.c

+3 −5
Original line number Diff line number Diff line
@@ -303,11 +303,7 @@ setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate, 
	err |= __put_user(regs->sp, &sc->sp_at_signal);

	err |= __put_user(regs->ss, (unsigned int __user *)&sc->ss);



	tmp = save_i387_xstate(fpstate);

	if (tmp < 0)

		err = 1;

	else

		err |= __put_user(tmp ? fpstate : NULL, &sc->fpstate);

	err |= __put_user(fpstate, &sc->fpstate);



	/* non-iBCS2 extensions.. */

	err |= __put_user(mask, &sc->oldmask);
@@ -350,6 +346,8 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size, 
	if (used_math()) {

		sp = sp - sig_xstate_size;

		*fpstate = (struct _fpstate *) sp;

		if (save_i387_xstate(*fpstate) < 0)

			return (void __user *)-1L;

	}



	sp -= frame_size;