Re: [PATCH 17/34] [media] DaVinci-VPFE-Capture: Improve another size determination in vpfe_enum_input()

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On 12/10/16 16:55, SF Markus Elfring wrote:
From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 12 Oct 2016 10:33:42 +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.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/media/platform/davinci/vpfe_capture.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c
index 8314c39..87ee35d 100644
--- a/drivers/media/platform/davinci/vpfe_capture.c
+++ b/drivers/media/platform/davinci/vpfe_capture.c
@@ -1091,7 +1091,7 @@ static int vpfe_enum_input(struct file *file, void *priv,
 		return -EINVAL;
 	}
 	sdinfo = &vpfe_dev->cfg->sub_devs[subdev];
-	memcpy(inp, &sdinfo->inputs[index], sizeof(struct v4l2_input));
+	memcpy(inp, &sdinfo->inputs[index], sizeof(*inp));

If I am not mistaken this can be written as:

	*inp = sdinfo->inputs[index];

Much better.

Regards,

	Hans

 	return 0;
 }


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