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path: root/drivers/acpi/acpica/utosi.c
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Diffstat (limited to 'drivers/acpi/acpica/utosi.c')
-rw-r--r--drivers/acpi/acpica/utosi.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c
index 36a7d361d7c..b15acebb96a 100644
--- a/drivers/acpi/acpica/utosi.c
+++ b/drivers/acpi/acpica/utosi.c
@@ -108,9 +108,14 @@ static struct acpi_interface_info acpi_default_supported_interfaces[] = {
acpi_status acpi_ut_initialize_interfaces(void)
{
+ acpi_status status;
u32 i;
- (void)acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+ status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
acpi_gbl_supported_interfaces = acpi_default_supported_interfaces;
/* Link the static list of supported interfaces */
@@ -132,20 +137,24 @@ acpi_status acpi_ut_initialize_interfaces(void)
*
* PARAMETERS: None
*
- * RETURN: None
+ * RETURN: Status
*
* DESCRIPTION: Delete all interfaces in the global list. Sets
* acpi_gbl_supported_interfaces to NULL.
*
******************************************************************************/
-void acpi_ut_interface_terminate(void)
+acpi_status acpi_ut_interface_terminate(void)
{
+ acpi_status status;
struct acpi_interface_info *next_interface;
- (void)acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
- next_interface = acpi_gbl_supported_interfaces;
+ status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ next_interface = acpi_gbl_supported_interfaces;
while (next_interface) {
acpi_gbl_supported_interfaces = next_interface->next;
@@ -160,6 +169,7 @@ void acpi_ut_interface_terminate(void)
}
acpi_os_release_mutex(acpi_gbl_osi_mutex);
+ return (AE_OK);
}
/*******************************************************************************
@@ -315,6 +325,7 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state * walk_state)
union acpi_operand_object *return_desc;
struct acpi_interface_info *interface_info;
acpi_interface_handler interface_handler;
+ acpi_status status;
u32 return_value;
ACPI_FUNCTION_TRACE(ut_osi_implementation);
@@ -336,7 +347,10 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state * walk_state)
/* Default return value is 0, NOT SUPPORTED */
return_value = 0;
- (void)acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+ status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
/* Lookup the interface in the global _OSI list */