diff options
| author | Can Erkin Acar <canacar@cvs.openbsd.org> | 2006-05-29 21:28:00 +0000 |
|---|---|---|
| committer | Can Erkin Acar <canacar@cvs.openbsd.org> | 2006-05-29 21:28:00 +0000 |
| commit | e53d2d6398e110abe1f75efd0d5a786fdedfdd23 (patch) | |
| tree | 730d48134ace98b9da6ffe655fc41a57f4695f78 /sys/dev | |
| parent | c521d6bd3158ca67c1f55cf4594caac9cff0caa0 (diff) | |
Check for possible NULL dereference in aml_showvalue
tested & ok gwk@ dim@
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/acpi/dsdt.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/sys/dev/acpi/dsdt.c b/sys/dev/acpi/dsdt.c index 2bf3331c1cc..1d34290beef 100644 --- a/sys/dev/acpi/dsdt.c +++ b/sys/dev/acpi/dsdt.c @@ -1,4 +1,4 @@ -/* $OpenBSD: dsdt.c,v 1.43 2006/05/29 02:39:49 gwk Exp $ */ +/* $OpenBSD: dsdt.c,v 1.44 2006/05/29 21:27:59 canacar Exp $ */ /* * Copyright (c) 2005 Jordan Hargrave <jordan@openbsd.org> * @@ -678,9 +678,10 @@ aml_showvalue(struct aml_value *value) value->v_field.bitpos, value->v_field.bitlen); - aml_dump(aml_bytelen(value->v_field.bitlen), - value->v_field.ref1->v_buffer + - aml_bytepos(value->v_field.bitpos)); + if (value->v_field.ref1) + aml_dump(aml_bytelen(value->v_field.bitlen), + value->v_field.ref1->v_buffer + + aml_bytepos(value->v_field.bitpos)); aml_showvalue(value->v_field.ref1); break; |