media: staging: media: zoran: fix kzalloc style

Prefer kzalloc(sizeof(*prt)...) over kzalloc(sizeof(struct.../
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/zoran/zr36016.c

@@ -361,7 +361,7 @@ static int zr36016_setup(struct videocodec *codec)
 		return -ENOSPC;
 	}
 	//mem structure init
-	ptr = kzalloc(sizeof(struct zr36016), GFP_KERNEL);
+	ptr = kzalloc(sizeof(*ptr), GFP_KERNEL);
 	codec->data = ptr;
 	if (!ptr)
 		return -ENOMEM;

drivers/staging/media/zoran/zr36050.c

@@ -754,7 +754,7 @@ static int zr36050_setup(struct videocodec *codec)
 		return -ENOSPC;
 	}
 	//mem structure init
-	ptr = kzalloc(sizeof(struct zr36050), GFP_KERNEL);
+	ptr = kzalloc(sizeof(*ptr), GFP_KERNEL);
 	codec->data = ptr;
 	if (!ptr)
 		return -ENOMEM;