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From: Ian Abbott <abbotti@mev.co.uk>
To: Brilliantov Kirill Vladimirovich <brilliantov@inbox.ru>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] staging/comedi: fix sparse warning: shift too big
Date: Fri, 2 May 2014 17:49:50 +0100	[thread overview]
Message-ID: <5363CCAE.9000006@mev.co.uk> (raw)
In-Reply-To: <1399042624-9441-1-git-send-email-brilliantov@inbox.ru>

On 2014-05-02 15:57, Brilliantov Kirill Vladimirovich wrote:
> Signed-off-by: Brilliantov Kirill Vladimirovich <brilliantov@inbox.ru>
> ---
>   drivers/staging/comedi/drivers/ni_stc.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/comedi/drivers/ni_stc.h b/drivers/staging/comedi/drivers/ni_stc.h
> index f0630b78..197b568 100644
> --- a/drivers/staging/comedi/drivers/ni_stc.h
> +++ b/drivers/staging/comedi/drivers/ni_stc.h
> @@ -717,7 +717,7 @@ enum AI_AO_Select_Bits {
>   static inline unsigned ni_stc_dma_channel_select_bitfield(unsigned channel)
>   {
>   	if (channel < 4)
> -		return 1 << channel;
> +		return 1 << (channel & 0x3);
>   	if (channel == 4)
>   		return 0x3;
>   	if (channel == 5)
>

The warning seems a bit spurious!

-- 
-=( Ian Abbott @ MEV Ltd.    E-mail: <abbotti@mev.co.uk>        )=-
-=( Tel: +44 (0)161 477 1898   FAX: +44 (0)161 718 3587         )=-

  reply	other threads:[~2014-05-02 16:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-02 14:57 [PATCH] staging/comedi: fix sparse warning: shift too big Brilliantov Kirill Vladimirovich
2014-05-02 16:49 ` Ian Abbott [this message]
2014-05-02 18:28   ` Hartley Sweeten
2014-05-02 20:24     ` Ian Abbott
2014-05-03 23:58 ` Greg Kroah-Hartman
2014-05-04  7:46   ` Brilliantov Kirill Vladimirovich

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