Re: [PATCH v2 2/2] mfd: viperboard: remove redundant OOM message and NULL pointer check

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On Mon, 22 Sep 2014, Octavian Purdila wrote:

> Signed-off-by: Octavian Purdila <octavian.purdila@xxxxxxxxx>
> ---
>  drivers/mfd/viperboard.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)

Looks fine, but won't apply without patch 1.

> diff --git a/drivers/mfd/viperboard.c b/drivers/mfd/viperboard.c
> index 5f62f4e..d27c131 100644
> --- a/drivers/mfd/viperboard.c
> +++ b/drivers/mfd/viperboard.c
> @@ -59,10 +59,8 @@ static int vprbrd_probe(struct usb_interface *interface,
>  
>  	/* allocate memory for our device state and initialize it */
>  	vb = kzalloc(sizeof(*vb), GFP_KERNEL);
> -	if (vb == NULL) {
> -		dev_err(&interface->dev, "Out of memory\n");
> +	if (vb == NULL)
>  		return -ENOMEM;
> -	}
>  
>  	vb->buf = kzalloc(sizeof(struct vprbrd_i2c_write_msg), GFP_KERNEL);
>  	if (vb->buf == NULL) {
> @@ -109,11 +107,9 @@ static int vprbrd_probe(struct usb_interface *interface,
>  	return 0;
>  
>  error:
> -	if (vb) {
> -		usb_put_dev(vb->usb_dev);
> -		kfree(vb->buf);
> -		kfree(vb);
> -	}
> +	usb_put_dev(vb->usb_dev);
> +	kfree(vb->buf);
> +	kfree(vb);
>  
>  	return ret;
>  }

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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