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[3/3] ASoC: da7218: Improve a size determination in da7218_i2c_probe()

Message ID 8f6b7c8c-f1eb-47c7-c11f-731aa8051863@users.sourceforge.net (mailing list archive)
State Accepted
Commit 392b79e20b41cfdc174d31bd4b004bbd874de4d9
Headers show

Commit Message

SF Markus Elfring Nov. 23, 2017, 8:07 p.m. UTC
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 23 Nov 2017 20:50:44 +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>
---
 sound/soc/codecs/da7218.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Adam Thomson Nov. 24, 2017, 11:50 a.m. UTC | #1
On 23 November 2017 20:08, SF Markus Elfring wrote:

> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Thu, 23 Nov 2017 20:50:44 +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: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>

> ---
>  sound/soc/codecs/da7218.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/sound/soc/codecs/da7218.c b/sound/soc/codecs/da7218.c
> index 93a0cb741751..0c1933a98995 100644
> --- a/sound/soc/codecs/da7218.c
> +++ b/sound/soc/codecs/da7218.c
> @@ -3269,8 +3269,7 @@ static int da7218_i2c_probe(struct i2c_client *i2c,
>  	struct da7218_priv *da7218;
>  	int ret;
> 
> -	da7218 = devm_kzalloc(&i2c->dev, sizeof(struct da7218_priv),
> -			      GFP_KERNEL);
> +	da7218 = devm_kzalloc(&i2c->dev, sizeof(*da7218), GFP_KERNEL);
>  	if (!da7218)
>  		return -ENOMEM;
> 
> --
> 2.15.0
diff mbox

Patch

diff --git a/sound/soc/codecs/da7218.c b/sound/soc/codecs/da7218.c
index 93a0cb741751..0c1933a98995 100644
--- a/sound/soc/codecs/da7218.c
+++ b/sound/soc/codecs/da7218.c
@@ -3269,8 +3269,7 @@  static int da7218_i2c_probe(struct i2c_client *i2c,
 	struct da7218_priv *da7218;
 	int ret;
 
-	da7218 = devm_kzalloc(&i2c->dev, sizeof(struct da7218_priv),
-			      GFP_KERNEL);
+	da7218 = devm_kzalloc(&i2c->dev, sizeof(*da7218), GFP_KERNEL);
 	if (!da7218)
 		return -ENOMEM;