Input: tablet - use sizeof(*pointer) instead of sizeof(type)

It is preferred to use sizeof(*pointer) instead of sizeof(type)
due to the type of the variable can change and one needs not
change the former (unlike the latter). This patch has no effect
on runtime behavior.
Signed-off-by: Erick Archer <erick.archer@outlook.com>
Link: https://lore.kernel.org/r/AS8PR02MB7237B05083487507CFAF96B08BFE2@AS8PR02MB7237.eurprd02.prod.outlook.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/tablet/acecad.c

@@ -129,7 +129,7 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_
 	pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
 	maxp = usb_maxpacket(dev, pipe);
 
-	acecad = kzalloc(sizeof(struct usb_acecad), GFP_KERNEL);
+	acecad = kzalloc(sizeof(*acecad), GFP_KERNEL);
 	input_dev = input_allocate_device();
 	if (!acecad || !input_dev) {
 		err = -ENOMEM;

drivers/input/tablet/aiptek.c

@@ -1673,7 +1673,7 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	 */
 	speeds[0] = programmableDelay;
 
-	aiptek = kzalloc(sizeof(struct aiptek), GFP_KERNEL);
+	aiptek = kzalloc(sizeof(*aiptek), GFP_KERNEL);
 	inputdev = input_allocate_device();
 	if (!aiptek || !inputdev) {
 		dev_warn(&intf->dev,

drivers/input/tablet/hanwang.c

@@ -322,7 +322,7 @@ static int hanwang_probe(struct usb_interface *intf, const struct usb_device_id
 	if (intf->cur_altsetting->desc.bNumEndpoints < 1)
 		return -ENODEV;
 
-	hanwang = kzalloc(sizeof(struct hanwang), GFP_KERNEL);
+	hanwang = kzalloc(sizeof(*hanwang), GFP_KERNEL);
 	input_dev = input_allocate_device();
 	if (!hanwang || !input_dev) {
 		error = -ENOMEM;

drivers/input/tablet/kbtab.c

@@ -121,7 +121,7 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
 	if (!usb_endpoint_is_int_in(endpoint))
 		return -ENODEV;
 
-	kbtab = kzalloc(sizeof(struct kbtab), GFP_KERNEL);
+	kbtab = kzalloc(sizeof(*kbtab), GFP_KERNEL);
 	input_dev = input_allocate_device();
 	if (!kbtab || !input_dev)
 		goto fail1;

drivers/input/tablet/wacom_serial4.c

@@ -521,7 +521,7 @@ static int wacom_connect(struct serio *serio, struct serio_driver *drv)
 	struct input_dev *input_dev;
 	int err = -ENOMEM;
 
-	wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
+	wacom = kzalloc(sizeof(*wacom), GFP_KERNEL);
 	input_dev = input_allocate_device();
 	if (!wacom || !input_dev)
 		goto free_device;