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Message-ID: <SJ0PR03MB677828AF20AAF0FC1A167C3C99329@SJ0PR03MB6778.namprd03.prod.outlook.com>
Date: Fri, 28 Oct 2022 10:14:48 +0000
From: "Sa, Nuno" <Nuno.Sa@...log.com>
To: Deepak R Varma <drv@...lo.com>,
"outreachy@...ts.linux.dev" <outreachy@...ts.linux.dev>,
Lars-Peter Clausen <lars@...afoo.de>,
"Hennerich, Michael" <Michael.Hennerich@...log.com>,
Jonathan Cameron <jic23@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
"linux-staging@...ts.linux.dev" <linux-staging@...ts.linux.dev>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2] staging: iio: frequency: ad9834: Use div64_ul instead
of do_div
> -----Original Message-----
> From: Deepak R Varma <drv@...lo.com>
> Sent: Friday, October 28, 2022 12:00 AM
> To: outreachy@...ts.linux.dev; Lars-Peter Clausen <lars@...afoo.de>;
> Hennerich, Michael <Michael.Hennerich@...log.com>; Jonathan Cameron
> <jic23@...nel.org>; Greg Kroah-Hartman <gregkh@...uxfoundation.org>;
> linux-iio@...r.kernel.org; linux-staging@...ts.linux.dev; linux-
> kernel@...r.kernel.org
> Subject: [PATCH v2] staging: iio: frequency: ad9834: Use div64_ul instead of
> do_div
>
> [External]
>
> do_div() does a 64-by-32 division. Here the divisor is an unsigned long
> which on some platforms is 64 bit wide. So use div64_ul instead of do_div
> to avoid a possible truncation. Issue identified using the
> coccicheck tool.
>
> Signed-off-by: Deepak R Varma <drv@...lo.com>
> ---
Clearly, I should have looked better and only reply to this one:
Reviewed-by: Nuno Sá <nuno.sa@...log.com>
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