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Date:   Sat, 2 Sep 2017 15:10:13 +0200
From:   SF Markus Elfring <>
To:, Hans Verkuil <>,
        Mauro Carvalho Chehab <>
Cc:     LKML <>,
Subject: [PATCH 4/4] [media] adv7842: Improve a size determination in

From: Markus Elfring <>
Date: Sat, 2 Sep 2017 12:53:15 +0200

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 <>
 drivers/media/i2c/adv7842.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c
index 366a294edd7b..aa8b3bcdd750 100644
--- a/drivers/media/i2c/adv7842.c
+++ b/drivers/media/i2c/adv7842.c
@@ -3467,5 +3467,5 @@ static int adv7842_probe(struct i2c_client *client,
 		return -ENODEV;
-	state = devm_kzalloc(&client->dev, sizeof(struct adv7842_state), GFP_KERNEL);
+	state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
 	if (!state)

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