diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2008-10-24 06:34:56 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2008-10-24 06:34:56 +0000 |
| commit | f28b4baf5670a294d58edd91d421f6016ae35864 (patch) | |
| tree | 60fb53e7b438164f17188e13e766e5a7b243dc05 /sys | |
| parent | 3f10f00a9e4916bd0ff4c4f50fc53177f69f900c (diff) | |
clear pointer after freeing it
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/i386/i386/pmap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/arch/i386/i386/pmap.c b/sys/arch/i386/i386/pmap.c index 44d6bc3c41c..45a159221ff 100644 --- a/sys/arch/i386/i386/pmap.c +++ b/sys/arch/i386/i386/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.123 2008/06/14 18:09:47 hshoexer Exp $ */ +/* $OpenBSD: pmap.c,v 1.124 2008/10/24 06:34:55 deraadt Exp $ */ /* $NetBSD: pmap.c,v 1.91 2000/06/02 17:46:37 thorpej Exp $ */ /* @@ -1547,6 +1547,7 @@ pmap_release(struct pmap *pmap) * APTE space because we do that in pmap_unmap_ptes(). */ uvm_km_free(kernel_map, (vaddr_t)pmap->pm_pdir, NBPG); + pmap->pm_pdir = NULL; #ifdef USER_LDT if (pmap->pm_flags & PMF_USER_LDT) { |