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Diffstat (limited to 'drivers/acpi/acpica/dsobject.c')
-rw-r--r--drivers/acpi/acpica/dsobject.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c
index dab3f48f0b4..02e6caad4a7 100644
--- a/drivers/acpi/acpica/dsobject.c
+++ b/drivers/acpi/acpica/dsobject.c
@@ -734,7 +734,8 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
/* Local ID (0-7) is (AML opcode - base AML_LOCAL_OP) */
- obj_desc->reference.value = opcode - AML_LOCAL_OP;
+ obj_desc->reference.value =
+ ((u32)opcode) - AML_LOCAL_OP;
obj_desc->reference.class = ACPI_REFCLASS_LOCAL;
#ifndef ACPI_NO_METHOD_EXECUTION
@@ -754,7 +755,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
/* Arg ID (0-6) is (AML opcode - base AML_ARG_OP) */
- obj_desc->reference.value = opcode - AML_ARG_OP;
+ obj_desc->reference.value = ((u32)opcode) - AML_ARG_OP;
obj_desc->reference.class = ACPI_REFCLASS_ARG;
#ifndef ACPI_NO_METHOD_EXECUTION