linux-kernel - Re: [PATCH v2] staging: comedi: drivers: mite: Removed variables that is never used

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Date:	Fri, 30 Jan 2015 10:22:35 +0000
From:	Ian Abbott <abbotti@....co.uk>
To:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	H Hartley Sweeten <hsweeten@...ionengravers.com>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Heena Sirwani <heenasirwani@...il.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] staging: comedi: drivers: mite: Removed variables
 that is never used

On 29/01/15 22:25, Rickard Strandqvist wrote:
> Variable was assigned a value that was never used.
> 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 |    2 --
>   1 file changed, 2 deletions(-)
>
> diff --git a/drivers/staging/comedi/drivers/mite.c b/drivers/staging/comedi/drivers/mite.c
> index ffc9e61..1e537a5 100644
> --- a/drivers/staging/comedi/drivers/mite.c
> +++ b/drivers/staging/comedi/drivers/mite.c
> @@ -494,9 +494,7 @@ 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));
>   	return readl(mite->mite_io_addr + MITE_TCR(mite_chan->channel));
>   }
>   EXPORT_SYMBOL_GPL(mite_dma_tcr);
>

Reviewed-by: Ian Abbott <abbotti@....co.uk>

-- 
-=( Ian Abbott @ MEV Ltd.    E-mail: <abbotti@....co.uk> )=-
-=(                          Web: http://www.mev.co.uk/  )=-
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