disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/acpi/acpica/dswexec.c
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@@ -4,7 +4,7 @@
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  * Module Name: dswexec - Dispatcher method execution callbacks;
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  *                        dispatch to interpreter.
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  *
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- * Copyright (C) 2000 - 2018, Intel Corp.
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+ * Copyright (C) 2000 - 2020, Intel Corp.
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  *
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  *****************************************************************************/
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..
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@@ -16,6 +16,9 @@
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 #include "acinterp.h"
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 #include "acnamesp.h"
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 #include "acdebug.h"
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+#ifdef ACPI_EXEC_APP
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+#include "aecommon.h"
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+#endif
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 #define _COMPONENT          ACPI_DISPATCHER
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 ACPI_MODULE_NAME("dswexec")
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@@ -329,6 +332,10 @@
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 	u32 op_class;
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 	union acpi_parse_object *next_op;
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 	union acpi_parse_object *first_arg;
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+#ifdef ACPI_EXEC_APP
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+	char *namepath;
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+	union acpi_operand_object *obj_desc;
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+#endif
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 	ACPI_FUNCTION_TRACE_PTR(ds_exec_end_op, walk_state);
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@@ -537,6 +544,32 @@
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 			status =
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 			    acpi_ds_eval_buffer_field_operands(walk_state, op);
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+			if (ACPI_FAILURE(status)) {
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+				break;
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+			}
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+#ifdef ACPI_EXEC_APP
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+			/*
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+			 * acpi_exec support for namespace initialization file (initialize
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+			 * buffer_fields in this code.)
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+			 */
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+			namepath =
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+			    acpi_ns_get_external_pathname(op->common.node);
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+			status = ae_lookup_init_file_entry(namepath, &obj_desc);
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+			if (ACPI_SUCCESS(status)) {
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+				status =
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+				    acpi_ex_write_data_to_field(obj_desc,
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+								op->common.
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+								node->object,
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+								NULL);
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+				if ACPI_FAILURE
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+					(status) {
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+					ACPI_EXCEPTION((AE_INFO, status,
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+							"While writing to buffer field"));
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+					}
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+			}
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+			ACPI_FREE(namepath);
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+			status = AE_OK;
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+#endif
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 			break;
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 		case AML_TYPE_CREATE_OBJECT: