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ACPI: button: use Linux style for getting driver_data

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It's typical and slightly more compact to look up the driver_data
structure by initializing the automatic variable at its definition.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bjorn Helgaas 2009-04-08 15:39:49 +00:00 committed by Len Brown
parent e2fb9754d2
commit 1bce81131c
1 changed files with 4 additions and 9 deletions
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13
drivers/acpi/button.c
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@ -162,10 +162,8 @@ static struct proc_dir_entry *acpi_lid_dir;
static int acpi_button_add_fs(struct acpi_device *device)
{
struct acpi_button *button = acpi_driver_data(device);
struct proc_dir_entry *entry = NULL;
struct acpi_button *button;
button = acpi_driver_data(device);
switch (button->type) {
case ACPI_BUTTON_TYPE_POWER:
@ -291,9 +289,8 @@ static void acpi_button_notify(struct acpi_device *device, u32 event)
static int acpi_button_resume(struct acpi_device *device)
{
struct acpi_button *button;
struct acpi_button *button = acpi_driver_data(device);
button = acpi_driver_data(device);
if (button->type == ACPI_BUTTON_TYPE_LID)
return acpi_lid_send_state(button);
return 0;
@ -301,9 +298,9 @@ static int acpi_button_resume(struct acpi_device *device)
static int acpi_button_add(struct acpi_device *device)
{
int error;
struct acpi_button *button;
struct input_dev *input;
int error;
button = kzalloc(sizeof(struct acpi_button), GFP_KERNEL);
if (!button)
@ -419,9 +416,7 @@ static int acpi_button_add(struct acpi_device *device)
static int acpi_button_remove(struct acpi_device *device, int type)
{
struct acpi_button *button;
button = acpi_driver_data(device);
struct acpi_button *button = acpi_driver_data(device);
acpi_button_remove_fs(device);
input_unregister_device(button->input);