linux-kernel - Re: [PATCH v2] Staging: greybus: usb: Fixed a coding style error

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Date:   Mon, 1 Apr 2019 09:25:42 -0500
From:   Alex Elder <elder@...aro.org>
To:     Will Cunningham <wjcunningham7@...il.com>, johan@...nel.org
Cc:     elder@...nel.org, gregkh@...uxfoundation.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        joe@...ches.com
Subject: Re: [PATCH v2] Staging: greybus: usb: Fixed a coding style error

On 4/1/19 9:22 AM, Will Cunningham wrote:
> Line was >80 characters.

This looks fine, but "tmp" is not a meaningful name.
That argument to gb_connection_create() is a cport id,
so "cport_id" would be a much better name for the variable.

It seems picky, but details like this make the code much
more understandable.

					-Alex


> Signed-off-by: Will Cunningham <wjcunningham7@...il.com>
> ---
> Changes in v2:
>  - Created a tmp variable to shorten line length.
> ---
>  drivers/staging/greybus/usb.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/greybus/usb.c b/drivers/staging/greybus/usb.c
> index 1c246c73a085..c09793b48850 100644
> --- a/drivers/staging/greybus/usb.c
> +++ b/drivers/staging/greybus/usb.c
> @@ -163,14 +163,14 @@ static int gb_usb_probe(struct gbphy_device *gbphy_dev,
>  	struct gb_usb_device *gb_usb_dev;
>  	struct usb_hcd *hcd;
>  	int retval;
> +	u16 tmp;
>  
>  	hcd = usb_create_hcd(&usb_gb_hc_driver, dev, dev_name(dev));
>  	if (!hcd)
>  		return -ENOMEM;
>  
> -	connection = gb_connection_create(gbphy_dev->bundle,
> -					  le16_to_cpu(gbphy_dev->cport_desc->id),
> -					  NULL);
> +	tmp = le16_to_cpu(gbphy_dev->cport_desc->id);
> +	connection = gb_connection_create(gbphy_dev->bundle, tmp, NULL);
>  	if (IS_ERR(connection)) {
>  		retval = PTR_ERR(connection);
>  		goto exit_usb_put;
>