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path: root/drivers/usb/input/hid-input.c
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Diffstat (limited to 'drivers/usb/input/hid-input.c')
-rw-r--r--drivers/usb/input/hid-input.c56
1 files changed, 28 insertions, 28 deletions
diff --git a/drivers/usb/input/hid-input.c b/drivers/usb/input/hid-input.c
index 0b6452248a3..9ff25eb520a 100644
--- a/drivers/usb/input/hid-input.c
+++ b/drivers/usb/input/hid-input.c
@@ -76,8 +76,8 @@ static struct {
static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
struct hid_usage *usage)
{
- struct input_dev *input = &hidinput->input;
- struct hid_device *device = hidinput->input.private;
+ struct input_dev *input = hidinput->input;
+ struct hid_device *device = input->private;
int max = 0, code;
unsigned long *bit = NULL;
@@ -461,7 +461,8 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
if (!field->hidinput)
return;
- input = &field->hidinput->input;
+
+ input = field->hidinput->input;
input_regs(input, regs);
@@ -533,13 +534,10 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
{
- struct list_head *lh;
struct hid_input *hidinput;
- list_for_each (lh, &hid->inputs) {
- hidinput = list_entry(lh, struct hid_input, list);
- input_sync(&hidinput->input);
- }
+ list_for_each_entry(hidinput, &hid->inputs, list)
+ input_sync(hidinput->input);
}
static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
@@ -604,6 +602,7 @@ int hidinput_connect(struct hid_device *hid)
struct usb_device *dev = hid->dev;
struct hid_report *report;
struct hid_input *hidinput = NULL;
+ struct input_dev *input_dev;
int i, j, k;
INIT_LIST_HEAD(&hid->inputs);
@@ -624,25 +623,28 @@ int hidinput_connect(struct hid_device *hid)
continue;
if (!hidinput) {
- hidinput = kmalloc(sizeof(*hidinput), GFP_KERNEL);
- if (!hidinput) {
+ hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!hidinput || !input_dev) {
+ kfree(hidinput);
+ input_free_device(input_dev);
err("Out of memory during hid input probe");
return -1;
}
- memset(hidinput, 0, sizeof(*hidinput));
- list_add_tail(&hidinput->list, &hid->inputs);
+ input_dev->private = hid;
+ input_dev->event = hidinput_input_event;
+ input_dev->open = hidinput_open;
+ input_dev->close = hidinput_close;
- hidinput->input.private = hid;
- hidinput->input.event = hidinput_input_event;
- hidinput->input.open = hidinput_open;
- hidinput->input.close = hidinput_close;
+ input_dev->name = hid->name;
+ input_dev->phys = hid->phys;
+ input_dev->uniq = hid->uniq;
+ usb_to_input_id(dev, &input_dev->id);
+ input_dev->cdev.dev = &hid->intf->dev;
- hidinput->input.name = hid->name;
- hidinput->input.phys = hid->phys;
- hidinput->input.uniq = hid->uniq;
- usb_to_input_id(dev, &hidinput->input.id);
- hidinput->input.dev = &hid->intf->dev;
+ hidinput->input = input_dev;
+ list_add_tail(&hidinput->list, &hid->inputs);
}
for (i = 0; i < report->maxfield; i++)
@@ -657,7 +659,7 @@ int hidinput_connect(struct hid_device *hid)
* UGCI) cram a lot of unrelated inputs into the
* same interface. */
hidinput->report = report;
- input_register_device(&hidinput->input);
+ input_register_device(hidinput->input);
hidinput = NULL;
}
}
@@ -667,7 +669,7 @@ int hidinput_connect(struct hid_device *hid)
* only useful in this case, and not for multi-input quirks. */
if (hidinput) {
hid_ff_init(hid);
- input_register_device(&hidinput->input);
+ input_register_device(hidinput->input);
}
return 0;
@@ -675,13 +677,11 @@ int hidinput_connect(struct hid_device *hid)
void hidinput_disconnect(struct hid_device *hid)
{
- struct list_head *lh, *next;
- struct hid_input *hidinput;
+ struct hid_input *hidinput, *next;
- list_for_each_safe(lh, next, &hid->inputs) {
- hidinput = list_entry(lh, struct hid_input, list);
- input_unregister_device(&hidinput->input);
+ list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
list_del(&hidinput->list);
+ input_unregister_device(hidinput->input);
kfree(hidinput);
}
}