diff mbox

[2/2] video: s3c-fb: Improve a size determination in s3c_fb_probe()

Message ID 3eb68979-60cd-81e2-7a6b-9caf4afc1737@users.sourceforge.net (mailing list archive)
State New, archived
Headers show

Commit Message

SF Markus Elfring Nov. 26, 2017, 2:17 p.m. UTC 
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 26 Nov 2017 15:03:03 +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@users.sourceforge.net>
---
 drivers/video/fbdev/s3c-fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Han Jingoo Nov. 27, 2017, 6:07 p.m. UTC | #1 
On Sunday, November 26, 2017 9:18 AM, SF Markus Elfring wrote:
> 
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Sun, 26 Nov 2017 15:03:03 +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@users.sourceforge.net>

Acked-by: Jingoo Han <jingoohan1@gmail.com>

Best regards,
Jingoo Han

> ---
>  drivers/video/fbdev/s3c-fb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/video/fbdev/s3c-fb.c b/drivers/video/fbdev/s3c-fb.c
> index 0914c973cbd9..8c7623d63eb1 100644
> --- a/drivers/video/fbdev/s3c-fb.c
> +++ b/drivers/video/fbdev/s3c-fb.c
> @@ -1383,7 +1383,7 @@ static int s3c_fb_probe(struct platform_device *pdev)
>  		return -EINVAL;
>  	}
> 
> -	sfb = devm_kzalloc(dev, sizeof(struct s3c_fb), GFP_KERNEL);
> +	sfb = devm_kzalloc(dev, sizeof(*sfb), GFP_KERNEL);
>  	if (!sfb)
>  		return -ENOMEM;
> 
> --
> 2.15.0


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Bartlomiej Zolnierkiewicz March 28, 2018, 2:05 p.m. UTC | #2 
On Monday, November 27, 2017 01:07:15 PM Jingoo Han wrote:
> On Sunday, November 26, 2017 9:18 AM, SF Markus Elfring wrote:
> > 
> > From: Markus Elfring <elfring@users.sourceforge.net>
> > Date: Sun, 26 Nov 2017 15:03:03 +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@users.sourceforge.net>
> 
> Acked-by: Jingoo Han <jingoohan1@gmail.com>

Patch queued for 4.17, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

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diff mbox

Patch

diff --git a/drivers/video/fbdev/s3c-fb.c b/drivers/video/fbdev/s3c-fb.c
index 0914c973cbd9..8c7623d63eb1 100644
--- a/drivers/video/fbdev/s3c-fb.c
+++ b/drivers/video/fbdev/s3c-fb.c
@@ -1383,7 +1383,7 @@  static int s3c_fb_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	sfb = devm_kzalloc(dev, sizeof(struct s3c_fb), GFP_KERNEL);
+	sfb = devm_kzalloc(dev, sizeof(*sfb), GFP_KERNEL);
 	if (!sfb)
 		return -ENOMEM;