summaryrefslogtreecommitdiff
path: root/drivers/acpi/ac.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/ac.c')
-rw-r--r--drivers/acpi/ac.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 11abc7b..6daeace 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -109,7 +109,7 @@ static struct proc_dir_entry *acpi_ac_dir;
static int acpi_ac_seq_show(struct seq_file *seq, void *offset)
{
- struct acpi_ac *ac = (struct acpi_ac *)seq->private;
+ struct acpi_ac *ac = seq->private;
if (!ac)
@@ -187,7 +187,7 @@ static int acpi_ac_remove_fs(struct acpi_device *device)
static void acpi_ac_notify(acpi_handle handle, u32 event, void *data)
{
- struct acpi_ac *ac = (struct acpi_ac *)data;
+ struct acpi_ac *ac = data;
struct acpi_device *device = NULL;
@@ -221,10 +221,9 @@ static int acpi_ac_add(struct acpi_device *device)
if (!device)
return -EINVAL;
- ac = kmalloc(sizeof(struct acpi_ac), GFP_KERNEL);
+ ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);
if (!ac)
return -ENOMEM;
- memset(ac, 0, sizeof(struct acpi_ac));
ac->device = device;
strcpy(acpi_device_name(device), ACPI_AC_DEVICE_NAME);
@@ -269,7 +268,7 @@ static int acpi_ac_remove(struct acpi_device *device, int type)
if (!device || !acpi_driver_data(device))
return -EINVAL;
- ac = (struct acpi_ac *)acpi_driver_data(device);
+ ac = acpi_driver_data(device);
status = acpi_remove_notify_handler(device->handle,
ACPI_ALL_NOTIFY, acpi_ac_notify);