[PATCH 2/2] Input: appletouch: Improve a size determination in atp_probe()

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From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 24 Jan 2018 20:46:49 +0100

Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/input/mouse/appletouch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c
index 3a709d21ea93..ea4888693889 100644
--- a/drivers/input/mouse/appletouch.c
+++ b/drivers/input/mouse/appletouch.c
@@ -866,7 +866,7 @@ static int atp_probe(struct usb_interface *iface,
 	}
 
 	/* allocate memory for our device state and initialize it */
-	dev = kzalloc(sizeof(struct atp), GFP_KERNEL);
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 	input_dev = input_allocate_device();
 	if (!dev || !input_dev) {
 		dev_err(&iface->dev, "Out of memory\n");
-- 
2.16.1

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