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-rw-r--r--drivers/acpi/acpica/uteval.c32
1 files changed, 21 insertions, 11 deletions
diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c
index 99bfbd23258b..9c4ae6f26b9d 100644
--- a/drivers/acpi/acpica/uteval.c
+++ b/drivers/acpi/acpica/uteval.c
@@ -98,6 +98,7 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
acpi_status status;
union acpi_operand_object *string_desc;
union acpi_operand_object *return_desc;
+ u32 return_value;
u32 i;
ACPI_FUNCTION_TRACE(ut_osi_implementation);
@@ -116,10 +117,9 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
return_ACPI_STATUS(AE_NO_MEMORY);
}
- /* Default return value is 0, NOT-SUPPORTED */
+ /* Default return value is 0, NOT SUPPORTED */
- return_desc->integer.value = 0;
- walk_state->return_desc = return_desc;
+ return_value = 0;
/* Compare input string to static table of supported interfaces */
@@ -127,8 +127,11 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
if (!ACPI_STRCMP
(string_desc->string.pointer,
acpi_interfaces_supported[i])) {
- return_desc->integer.value = ACPI_UINT32_MAX;
- goto done;
+
+ /* The interface is supported */
+
+ return_value = ACPI_UINT32_MAX;
+ goto exit;
}
}
@@ -139,15 +142,22 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
*/
status = acpi_os_validate_interface(string_desc->string.pointer);
if (ACPI_SUCCESS(status)) {
- return_desc->integer.value = ACPI_UINT32_MAX;
+
+ /* The interface is supported */
+
+ return_value = ACPI_UINT32_MAX;
}
-done:
- ACPI_DEBUG_PRINT_RAW((ACPI_DB_INFO, "ACPI: BIOS _OSI(%s) %ssupported\n",
- string_desc->string.pointer,
- return_desc->integer.value == 0 ? "not-" : ""));
+exit:
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO,
+ "ACPI: BIOS _OSI(%s) is %ssupported\n",
+ string_desc->string.pointer, return_value == 0 ? "not " : ""));
- return_ACPI_STATUS(AE_OK);
+ /* Complete the return value */
+
+ return_desc->integer.value = return_value;
+ walk_state->return_desc = return_desc;
+ return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************