From: Bob Moore <robert.moore@xxxxxxxxx>
Added several new options for the gcc-4 generation, and updated
the source accordingly. This includes some code restructuring to
eliminate unreachable code, elimination of some gotos, elimination
of unused return values, and some additional casting.
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
drivers/acpi/acpica/exconfig.c | 13 +++++--------
drivers/acpi/acpica/hwgpe.c | 6 ++----
drivers/acpi/acpica/nspredef.c | 24 +++++++++++-------------
drivers/acpi/acpica/nsrepair2.c | 24 +++++++++---------------
drivers/acpi/acpica/utmutex.c | 16 +++-------------
include/acpi/platform/acenv.h | 4 ++--
6 files changed, 32 insertions(+), 55 deletions(-)
diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c
index 46adfa5..2ea8dac 100644
--- a/drivers/acpi/acpica/exconfig.c
+++ b/drivers/acpi/acpica/exconfig.c
@@ -490,7 +490,11 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
status = acpi_tb_add_table(&table_desc, &table_index);
if (ACPI_FAILURE(status)) {
- goto cleanup;
+
+ /* Delete allocated table buffer */
+
+ acpi_tb_delete_table(&table_desc);
+ return_ACPI_STATUS(status);
}
/*
@@ -533,13 +537,6 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
acpi_gbl_table_handler_context);
}
- cleanup:
- if (ACPI_FAILURE(status)) {
-
- /* Delete allocated table buffer */
-
- acpi_tb_delete_table(&table_desc);
- }
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
index c28c41b..55c4507 100644
--- a/drivers/acpi/acpica/hwgpe.c
+++ b/drivers/acpi/acpica/hwgpe.c
@@ -224,7 +224,7 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
status = acpi_hw_read(&in_byte, &gpe_register_info->status_address);
if (ACPI_FAILURE(status)) {
- goto unlock_and_exit;
+ return (status);
}
if (register_bit & in_byte) {
@@ -234,9 +234,7 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
/* Set return value */
(*event_status) = local_event_status;
-
- unlock_and_exit:
- return (status);
+ return (AE_OK);
}
/******************************************************************************
diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c
index d34fa59..309586f 100644
--- a/drivers/acpi/acpica/nspredef.c
+++ b/drivers/acpi/acpica/nspredef.c
@@ -1000,27 +1000,25 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
/* Is the object one of the expected types? */
- if (!(return_btype & expected_btypes)) {
+ if (return_btype & expected_btypes) {
- /* Type mismatch -- attempt repair of the returned object */
+ /* For reference objects, check that the reference type is correct */
- status = acpi_ns_repair_object(data, expected_btypes,
- package_index,
- return_object_ptr);
- if (ACPI_SUCCESS(status)) {
- return (AE_OK); /* Repair was successful */
+ if (return_object->common.type == ACPI_TYPE_LOCAL_REFERENCE) {
+ status = acpi_ns_check_reference(data, return_object);
}
- goto type_error_exit;
+
+ return (status);
}
- /* For reference objects, check that the reference type is correct */
+ /* Type mismatch -- attempt repair of the returned object */
- if (return_object->common.type == ACPI_TYPE_LOCAL_REFERENCE) {
- status = acpi_ns_check_reference(data, return_object);
+ status = acpi_ns_repair_object(data, expected_btypes,
+ package_index, return_object_ptr);
+ if (ACPI_SUCCESS(status)) {
+ return (AE_OK); /* Repair was successful */
}
- return (status);
-
type_error_exit:
/* Create a string with all expected types for this predefined object */
diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c
index f13691c..6d69264 100644
--- a/drivers/acpi/acpica/nsrepair2.c
+++ b/drivers/acpi/acpica/nsrepair2.c
@@ -93,7 +93,7 @@ acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
u32 sort_index,
u8 sort_direction, char *sort_key_name);
-static acpi_status
+static void
acpi_ns_sort_list(union acpi_operand_object **elements,
u32 count, u32 index, u8 sort_direction);
@@ -443,7 +443,6 @@ acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
union acpi_operand_object *obj_desc;
u32 i;
u32 previous_value;
- acpi_status status;
ACPI_FUNCTION_NAME(ns_check_sorted_list);
@@ -494,19 +493,15 @@ acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
/*
* The list must be sorted in the specified order. If we detect a
- * discrepancy, issue a warning and sort the entire list
+ * discrepancy, sort the entire list.
*/
if (((sort_direction == ACPI_SORT_ASCENDING) &&
(obj_desc->integer.value < previous_value)) ||
((sort_direction == ACPI_SORT_DESCENDING) &&
(obj_desc->integer.value > previous_value))) {
- status =
- acpi_ns_sort_list(return_object->package.elements,
- outer_element_count, sort_index,
- sort_direction);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
+ acpi_ns_sort_list(return_object->package.elements,
+ outer_element_count, sort_index,
+ sort_direction);
data->flags |= ACPI_OBJECT_REPAIRED;
@@ -615,15 +610,16 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
* Index - Sort by which package element
* sort_direction - Ascending or Descending sort
*
- * RETURN: Status
+ * RETURN: None
*
* DESCRIPTION: Sort the objects that are in a package element list.
*
- * NOTE: Assumes that all NULL elements have been removed from the package.
+ * NOTE: Assumes that all NULL elements have been removed from the package,
+ * and that all elements have been verified to be of type Integer.
*
*****************************************************************************/
-static acpi_status
+static void
acpi_ns_sort_list(union acpi_operand_object **elements,
u32 count, u32 index, u8 sort_direction)
{
@@ -652,6 +648,4 @@ acpi_ns_sort_list(union acpi_operand_object **elements,
}
}
}
-
- return (AE_OK);
}
diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c
index 80bb651..1f58a88 100644
--- a/drivers/acpi/acpica/utmutex.c
+++ b/drivers/acpi/acpica/utmutex.c
@@ -50,7 +50,7 @@ ACPI_MODULE_NAME("utmutex")
/* Local prototypes */
static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id);
-static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id);
+static void acpi_ut_delete_mutex(acpi_mutex_handle mutex_id);
/*******************************************************************************
*
@@ -114,7 +114,7 @@ void acpi_ut_mutex_terminate(void)
/* Delete each predefined mutex object */
for (i = 0; i < ACPI_NUM_MUTEX; i++) {
- (void)acpi_ut_delete_mutex(i);
+ acpi_ut_delete_mutex(i);
}
/* Delete the spinlocks */
@@ -146,10 +146,6 @@ static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id)
ACPI_FUNCTION_TRACE_U32(ut_create_mutex, mutex_id);
- if (mutex_id > ACPI_MAX_MUTEX) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
if (!acpi_gbl_mutex_info[mutex_id].mutex) {
status =
acpi_os_create_mutex(&acpi_gbl_mutex_info[mutex_id].mutex);
@@ -173,21 +169,15 @@ static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id)
*
******************************************************************************/
-static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
+static void acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
{
ACPI_FUNCTION_TRACE_U32(ut_delete_mutex, mutex_id);
- if (mutex_id > ACPI_MAX_MUTEX) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
acpi_os_delete_mutex(acpi_gbl_mutex_info[mutex_id].mutex);
acpi_gbl_mutex_info[mutex_id].mutex = NULL;
acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
-
- return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h
index e62f10d..fa7689a 100644
--- a/include/acpi/platform/acenv.h
+++ b/include/acpi/platform/acenv.h
@@ -311,8 +311,8 @@ typedef char *va_list;
#define ACPI_MEMCMP(s1,s2,n) acpi_ut_memcmp((const char *)(s1), (const char *)(s2), (acpi_size)(n))
#define ACPI_MEMCPY(d,s,n) (void) acpi_ut_memcpy ((d), (s), (acpi_size)(n))
#define ACPI_MEMSET(d,v,n) (void) acpi_ut_memset ((d), (v), (acpi_size)(n))
-#define ACPI_TOUPPER acpi_ut_to_upper
-#define ACPI_TOLOWER acpi_ut_to_lower
+#define ACPI_TOUPPER(c) acpi_ut_to_upper ((int) (c))
+#define ACPI_TOLOWER(c) acpi_ut_to_lower ((int) (c))
#endif /* ACPI_USE_SYSTEM_CLIBRARY */
--
1.6.0.6
--
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