linux-kernel - Re: [PATCH] media: v4l2-core: v4l2-dv-timings.c: Cleaning up code that putting values to the same variable twice

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Message-ID: <CA+V-a8sBuxk9iEe-3O7cCF6NJrbE1svv0BqVw1Yu2HAncxB0MQ@mail.gmail.com>
Date:	Tue, 10 Jun 2014 17:35:28 +0100
From:	Prabhakar Lad <prabhakar.csengg@...il.com>
To:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
Cc:	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Martin Bugge <marbugge@...co.com>,
	linux-media <linux-media@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] media: v4l2-core: v4l2-dv-timings.c: Cleaning up code
 that putting values to the same variable twice

Hi Rickard,

Thanks for the patch.

On Sat, Jun 7, 2014 at 1:31 AM, Rickard Strandqvist
<rickard_strandqvist@...ctrumdigital.se> wrote:
> Instead of putting the same variable twice,
> was rather intended to set this value to two different variable.
>
> This was partly found using a static code analysis program called cppcheck.
>
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>

The commit message and header needs to be improved, apart from that rest of the
patch looks good.

Acked-by: Lad, Prabhakar <prabhakar.csengg@...il.com>

Regards,
--Prabhakar Lad

> ---
>  drivers/media/v4l2-core/v4l2-dv-timings.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c
> index 48b20df..eb3850c 100644
> --- a/drivers/media/v4l2-core/v4l2-dv-timings.c
> +++ b/drivers/media/v4l2-core/v4l2-dv-timings.c
> @@ -599,10 +599,10 @@ struct v4l2_fract v4l2_calc_aspect_ratio(u8 hor_landscape, u8 vert_portrait)
>                 aspect.denominator = 9;
>         } else if (ratio == 34) {
>                 aspect.numerator = 4;
> -               aspect.numerator = 3;
> +               aspect.denominator = 3;
>         } else if (ratio == 68) {
>                 aspect.numerator = 15;
> -               aspect.numerator = 9;
> +               aspect.denominator = 9;
>         } else {
>                 aspect.numerator = hor_landscape + 99;
>                 aspect.denominator = 100;
> --
> 1.7.10.4
>
--
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