diff mbox series

staging: mt7621-pinctrl: Use correct pointer type argument for sizeof

Message ID 20200420123755.4353-1-yanaijie@huawei.com (mailing list archive)
State New, archived
Headers show
Series staging: mt7621-pinctrl: Use correct pointer type argument for sizeof | expand

Commit Message

Jason Yan April 20, 2020, 12:37 p.m. UTC
Fix the following coccicheck warning:

drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c:223:14-36: WARNING: Use
correct pointer type argument for sizeof

Signed-off-by: Jason Yan <yanaijie@huawei.com>
---
 drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Dan Carpenter April 20, 2020, 12:19 p.m. UTC | #1
On Mon, Apr 20, 2020 at 08:37:55PM +0800, Jason Yan wrote:
> Fix the following coccicheck warning:
> 
> drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c:223:14-36: WARNING: Use
> correct pointer type argument for sizeof
> 
> Signed-off-by: Jason Yan <yanaijie@huawei.com>
> ---
>  drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
> index d0f06790d38f..8883f2a8ea57 100644
> --- a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
> +++ b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
> @@ -220,7 +220,7 @@ static int rt2880_pinmux_index(struct rt2880_priv *p)
>  	/* allocate our function and group mapping index buffers */
>  	f = p->func = devm_kcalloc(p->dev,
>  				   p->func_count,
> -				   sizeof(struct rt2880_pmx_func),
> +				   sizeof(struct rt2880_pmx_func *),

Yes.  This fixes a bug.  We were allocating too much data.  But the
prefered style is:

				sizeof(*p->func),

Please could you resend?

regards,
dan carpenter
Jason Yan April 20, 2020, 12:34 p.m. UTC | #2
在 2020/4/20 20:19, Dan Carpenter 写道:
> On Mon, Apr 20, 2020 at 08:37:55PM +0800, Jason Yan wrote:
>> Fix the following coccicheck warning:
>>
>> drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c:223:14-36: WARNING: Use
>> correct pointer type argument for sizeof
>>
>> Signed-off-by: Jason Yan <yanaijie@huawei.com>
>> ---
>>   drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
>> index d0f06790d38f..8883f2a8ea57 100644
>> --- a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
>> +++ b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
>> @@ -220,7 +220,7 @@ static int rt2880_pinmux_index(struct rt2880_priv *p)
>>   	/* allocate our function and group mapping index buffers */
>>   	f = p->func = devm_kcalloc(p->dev,
>>   				   p->func_count,
>> -				   sizeof(struct rt2880_pmx_func),
>> +				   sizeof(struct rt2880_pmx_func *),
> 
> Yes.  This fixes a bug.  We were allocating too much data.  But the
> prefered style is:
> 
> 				sizeof(*p->func),
> 
> Please could you resend?
> 

Sure, I will cook a new one.

> regards,
> dan carpenter
> 
> 
> .
>
diff mbox series

Patch

diff --git a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
index d0f06790d38f..8883f2a8ea57 100644
--- a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
+++ b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
@@ -220,7 +220,7 @@  static int rt2880_pinmux_index(struct rt2880_priv *p)
 	/* allocate our function and group mapping index buffers */
 	f = p->func = devm_kcalloc(p->dev,
 				   p->func_count,
-				   sizeof(struct rt2880_pmx_func),
+				   sizeof(struct rt2880_pmx_func *),
 				   GFP_KERNEL);
 	gpio_func.groups = devm_kcalloc(p->dev, p->group_count, sizeof(int),
 					GFP_KERNEL);