diff options
Diffstat (limited to 'sys/arch/i386/i386/machdep.c')
| -rw-r--r-- | sys/arch/i386/i386/machdep.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/arch/i386/i386/machdep.c b/sys/arch/i386/i386/machdep.c index 1f0818edcc1..940359f4f7a 100644 --- a/sys/arch/i386/i386/machdep.c +++ b/sys/arch/i386/i386/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.481 2010/08/05 21:10:09 deraadt Exp $ */ +/* $OpenBSD: machdep.c,v 1.482 2010/09/29 13:46:38 joshe Exp $ */ /* $NetBSD: machdep.c,v 1.214 1996/11/10 03:16:17 thorpej Exp $ */ /*- @@ -2362,9 +2362,12 @@ sys_sigreturn(struct proc *p, void *v, register_t *retval) npxsave_proc(p, 0); if (context.sc_fpstate) { - if ((error = copyin(context.sc_fpstate, - &p->p_addr->u_pcb.pcb_savefpu, sizeof (union savefpu)))) + union savefpu *sfp = &p->p_addr->u_pcb.pcb_savefpu; + + if ((error = copyin(context.sc_fpstate, sfp, sizeof(*sfp)))) return (error); + if (i386_use_fxsave) + sfp->sv_xmm.sv_env.en_mxcsr &= fpu_mxcsr_mask; p->p_md.md_flags |= MDP_USEDFPU; } |