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ACPICA: Revert "Update resource descriptor handling"

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ACPICA commit f3300640c63df138d133740b54e2c0a1befa4086

This reverts commit c8eac10178b387f9eb1935694e509d4518da77bb.

Link: https://github.com/acpica/acpica/commit/f3300640
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Erik Schmauss 2017-08-03 14:27:42 +08:00 committed by Rafael J. Wysocki
parent 137c78352e
commit d5efc154e7
1 changed files with 5 additions and 9 deletions
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14
drivers/acpi/acpica/utresrc.c
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@ -184,11 +184,9 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
ACPI_FUNCTION_TRACE(ut_walk_aml_resources);
/*
* The absolute minimum resource template is one end_tag descriptor.
* However, we will treat a lone end_tag as just a simple buffer.
*/
if (aml_length <= sizeof(struct aml_resource_end_tag)) {
/* The absolute minimum resource template is one end_tag descriptor */
if (aml_length < sizeof(struct aml_resource_end_tag)) {
return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
}
@ -252,10 +250,8 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
*context = aml;
}
/*
* Normal exit. Note: We allow the buffer to be larger than
* the resource template, as long as the END_TAG exists.
*/
/* Normal exit */
return_ACPI_STATUS(AE_OK);
}