ACPI: Remove useless initializers

These local variables are all initialized at their first use, so there's
no point in initializing them earlier.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 292de3cab9cc0d4ac42cc551c80f3efdbdfeaf6b..a5bb33bab4485307f7969b19ff9d9ea9cb3f67e2 100644 (file)
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -91,8 +91,7 @@ static struct dmi_system_id dsdt_dmi_table[] __initdata = {
 
 int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device)
 {
-       acpi_status status = AE_OK;
-
+       acpi_status status;
 
        if (!device)
                return -EINVAL;
@@ -162,7 +161,7 @@ EXPORT_SYMBOL(acpi_bus_private_data_handler);
 
 int acpi_bus_get_private_data(acpi_handle handle, void **data)
 {
-       acpi_status status = AE_OK;
+       acpi_status status;
 
        if (!*data)
                return -EINVAL;
@@ -361,7 +360,7 @@ extern int event_is_open;
 int acpi_bus_generate_proc_event4(const char *device_class, const char *bus_id, u8 type, int data)
 {
        struct acpi_bus_event *event;
-       unsigned long flags = 0;
+       unsigned long flags;
 
        /* drop event on the floor if no one's listening */
        if (!event_is_open)
@@ -400,7 +399,7 @@ EXPORT_SYMBOL(acpi_bus_generate_proc_event);
 
 int acpi_bus_receive_event(struct acpi_bus_event *event)
 {
-       unsigned long flags = 0;
+       unsigned long flags;
        struct acpi_bus_event *entry = NULL;
 
        DECLARE_WAITQUEUE(wait, current);
@@ -593,7 +592,7 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
 
 static int __init acpi_bus_init_irq(void)
 {
-       acpi_status status = AE_OK;
+       acpi_status status;
        union acpi_object arg = { ACPI_TYPE_INTEGER };
        struct acpi_object_list arg_list = { 1, &arg };
        char *message = NULL;
@@ -640,7 +639,7 @@ u8 acpi_gbl_permanent_mmap;
 
 void __init acpi_early_init(void)
 {
-       acpi_status status = AE_OK;
+       acpi_status status;
 
        if (acpi_disabled)
                return;
@@ -714,8 +713,8 @@ void __init acpi_early_init(void)
 
 static int __init acpi_bus_init(void)
 {
-       int result = 0;
-       acpi_status status = AE_OK;
+       int result;
+       acpi_status status;
        extern acpi_status acpi_os_initialize1(void);
 
        acpi_os_initialize1();