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Save and restore pcb_onfault in kcopy().

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This commit is contained in:
tsubai 1998-11-26 20:48:45 +00:00
parent 958666b11a
commit 35f82ac3eb
1 changed files with 5 additions and 4 deletions
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9
sys/arch/powerpc/powerpc/trap.c
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@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.12 1998/11/22 21:21:32 ws Exp $ */
/* $NetBSD: trap.c,v 1.13 1998/11/26 20:48:45 tsubai Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -461,16 +461,17 @@ kcopy(src, dst, len)
void *dst;
size_t len;
{
faultbuf env;
faultbuf env, *oldfault;
oldfault = curpcb->pcb_onfault;
if (setfault(env)) {
curpcb->pcb_onfault = 0;
curpcb->pcb_onfault = oldfault;
return EFAULT;
}
bcopy(src, dst, len);
curpcb->pcb_onfault = 0;
curpcb->pcb_onfault = oldfault;
return 0;
}
#endif