linux-kernel - Re: [PATCH 7/7] staging: cxt1e1: remove unneeded a value

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Message-ID: <20140305101320.GH1883@distanz.ch>
Date:	Wed, 5 Mar 2014 11:13:21 +0100
From:	Tobias Klauser <tklauser@...tanz.ch>
To:	Daeseok Youn <daeseok.youn@...il.com>
Cc:	gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
	shaun@...source.ca, sachin.kamat@...aro.org,
	linux-kernel@...r.kernel.org, dulshani.gunawardhana89@...il.com,
	ying.xue@...driver.com, davem@...emloft.net
Subject: Re: [PATCH 7/7] staging: cxt1e1: remove unneeded a value

On 2014-03-05 at 02:24:22 +0100, Daeseok Youn <daeseok.youn@...il.com> wrote:
> 
> It doesn't need to assign name array address to np pointer.
> 
> Signed-off-by: Daeseok Youn <daeseok.youn@...il.com>
> ---
>  drivers/staging/cxt1e1/linux.c |    5 ++---
>  1 files changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/cxt1e1/linux.c b/drivers/staging/cxt1e1/linux.c
> index 5bb42ae..cae8c66 100644
> --- a/drivers/staging/cxt1e1/linux.c
> +++ b/drivers/staging/cxt1e1/linux.c
> @@ -205,15 +205,14 @@ status_t
>  c4_wq_port_init(mpi_t *pi)
>  {
>  
> -	char        name[16], *np;  /* NOTE: name of the queue limited by system
> +	char        name[16];  /* NOTE: name of the queue limited by system
>  				     * to 10 characters */
>  
>  	if (pi->wq_port)
>  		return 0;                   /* already initialized */
>  
> -	np = name;
>  	memset(name, 0, 16);

This isn't necessary since s{,n}printf() adds a terminating '\0'.

> -	sprintf(np, "%s%d", pi->up->devname, pi->portnum); /* IE pmcc4-01) */
> +	sprintf(name, "%s%d", pi->up->devname, pi->portnum); /* IE pmcc4-01) */

Better use snprintf() here, even if the comment above claims the name
never to be no longer than 10 characters.

Cheers
Tobias
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