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 )=-
next prev parent 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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