Revert "ACPICA: Disassembler: Enhance resource descriptor detection"

Revert commit da28e1955d7f (ACPICA: Disassembler: Enhance resource
descriptor detection) as it is based on an assumption that doesn't
hold all the time and causes problems to happen because of that.

Reported-by: Linda Knippers <linda.knippers@hpe.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c
index e0587c8..ff096d9 100644 (file)
--- a/drivers/acpi/acpica/utresrc.c
+++ b/drivers/acpi/acpica/utresrc.c
@@ -474,15 +474,6 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
                                return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
                        }
 
-                       /*
-                        * The end_tag opcode must be followed by a zero byte.
-                        * Although this byte is technically defined to be a checksum,
-                        * in practice, all ASL compilers set this byte to zero.
-                        */
-                       if (*(aml + 1) != 0) {
-                               return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
-                       }
-
                        /* Return the pointer to the end_tag if requested */
 
                        if (!user_function) {