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ACPICA: Update for automatic repair code for objects returned by evaluate_object
ACPICA commit 6b58810b9aad7358fbf1a0f4057fefa8d29838d3 This change fixes two instances where the repair code made an incorrect assumption about how reference counts are assigned to package objects. Resolves issues where a warning was issued about a "large reference count" -- which usually indicates an attempt to delete an object that has previously been poisoned and released into the object cache. Link: https://github.com/acpica/acpica/commit/6b58810b Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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3b2d69114f
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2 changed files with 4 additions and 18 deletions
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@ -290,22 +290,12 @@ acpi_ns_simple_repair(struct acpi_evaluate_info *info,
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/* Object was successfully repaired */
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if (package_index != ACPI_NOT_PACKAGE_ELEMENT) {
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/*
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* The original object is a package element. We need to
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* decrement the reference count of the original object,
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* for removing it from the package.
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*
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* However, if the original object was just wrapped with a
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* package object as part of the repair, we don't need to
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* change the reference count.
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*/
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/* Update reference count of new object */
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if (!(info->return_flags & ACPI_OBJECT_WRAPPED)) {
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new_object->common.reference_count =
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return_object->common.reference_count;
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if (return_object->common.reference_count > 1) {
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return_object->common.reference_count--;
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}
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}
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ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
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@ -403,16 +403,12 @@ acpi_ns_repair_CID(struct acpi_evaluate_info *info,
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return (status);
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}
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/* Take care with reference counts */
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if (original_element != *element_ptr) {
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/* Element was replaced */
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/* Update reference count of new object */
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(*element_ptr)->common.reference_count =
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original_ref_count;
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acpi_ut_remove_reference(original_element);
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}
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element_ptr++;
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