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author | njl <njl@FreeBSD.org> | 2004-01-04 06:35:01 +0000 |
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committer | njl <njl@FreeBSD.org> | 2004-01-04 06:35:01 +0000 |
commit | 0a33e354f93a05661e6afc4245e252b349caa8a2 (patch) | |
tree | d59824bc8b64247ff2e0e8cc2990b31a0fba05e8 /sys/contrib | |
parent | 55f060d610578984cb21903df0497679484af820 (diff) | |
download | FreeBSD-src-0a33e354f93a05661e6afc4245e252b349caa8a2.zip FreeBSD-src-0a33e354f93a05661e6afc4245e252b349caa8a2.tar.gz |
Fix for "UtAllocate: Attempt to allocate zero bytes" warnings on Dell
laptops that resulted in problems reading battery status. Don't
copy Buffers, Packages, or Regions in DsStoreObjectToLocal().
Tested by: scottl, sam
Submitted by: Luming Yu (Intel)
Diffstat (limited to 'sys/contrib')
-rw-r--r-- | sys/contrib/dev/acpica/dsmthdat.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/contrib/dev/acpica/dsmthdat.c b/sys/contrib/dev/acpica/dsmthdat.c index ac5254b..30bb0a2 100644 --- a/sys/contrib/dev/acpica/dsmthdat.c +++ b/sys/contrib/dev/acpica/dsmthdat.c @@ -663,6 +663,7 @@ AcpiDsStoreObjectToLocal ( ACPI_NAMESPACE_NODE *Node; ACPI_OPERAND_OBJECT *CurrentObjDesc; ACPI_OPERAND_OBJECT *NewObjDesc; + UINT8 ObjType; ACPI_FUNCTION_TRACE ("DsStoreObjectToLocal"); @@ -697,7 +698,11 @@ AcpiDsStoreObjectToLocal ( * take a copy of the object before we store. */ NewObjDesc = ObjDesc; - if (ObjDesc->Common.ReferenceCount > 1) + ObjType = ACPI_GET_OBJECT_TYPE(ObjDesc); + if (ObjDesc->Common.ReferenceCount > 1 && + ObjType != ACPI_TYPE_BUFFER && + ObjType != ACPI_TYPE_PACKAGE && + ObjType != ACPI_TYPE_REGION) { Status = AcpiUtCopyIobjectToIobject (ObjDesc, &NewObjDesc, WalkState); if (ACPI_FAILURE (Status)) |