linux-kernel - Re: [PATCH] staging: comedi: drivers: mite: Removed variables that is never used

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Message-ID: <alpine.DEB.2.02.1501282336070.2087@localhost6.localdomain6>
Date:	Wed, 28 Jan 2015 23:36:19 +0100 (CET)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
cc:	Ian Abbott <abbotti@....co.uk>,
	H Hartley Sweeten <hsweeten@...ionengravers.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Julia Lawall <julia.lawall@...6.fr>,
	Heena Sirwani <heenasirwani@...il.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: comedi: drivers: mite: Removed variables that
 is never used

On Wed, 28 Jan 2015, Rickard Strandqvist wrote:

> Variable ar assigned a value that is never used.

The variable is lkar.

julia

> I have also removed all the code that thereby serves no purpose.
> 
> This was found using a static code analysis program called cppcheck
> 
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
> ---
>  drivers/staging/comedi/drivers/mite.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/comedi/drivers/mite.c b/drivers/staging/comedi/drivers/mite.c
> index ffc9e61..8d2903b 100644
> --- a/drivers/staging/comedi/drivers/mite.c
> +++ b/drivers/staging/comedi/drivers/mite.c
> @@ -494,9 +494,8 @@ EXPORT_SYMBOL_GPL(mite_bytes_read_from_memory_ub);
>  unsigned mite_dma_tcr(struct mite_channel *mite_chan)
>  {
>  	struct mite_struct *mite = mite_chan->mite;
> -	int lkar;
>  
> -	lkar = readl(mite->mite_io_addr + MITE_LKAR(mite_chan->channel));
> +	readl(mite->mite_io_addr + MITE_LKAR(mite_chan->channel));
>  	return readl(mite->mite_io_addr + MITE_TCR(mite_chan->channel));
>  }
>  EXPORT_SYMBOL_GPL(mite_dma_tcr);
> -- 
> 1.7.10.4
> 
> 
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