linux-kernel - Re: [PATCH] V4L/DVB: Fix test in copy_reg

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Date:	Fri, 20 Nov 2009 19:53:09 -0500
From:	Michael Krufky <mkrufky@...uxtv.org>
To:	Roel Kluin <roel.kluin@...il.com>
CC:	Mauro Carvalho Chehab <mchehab@...radead.org>,
	linux-media@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] V4L/DVB: Fix test in copy_reg_bits()

Ah!  Nice catch.  Thank you, Roel.  Mauro / Andrew, can one of you 
please merge this?  The driver hasn't changed, so it should go to Linus' 
current tree and also stable, although it isn't crucial.

Signed-off-by: Michael Krufky <mkrufky@...uxtv.org>

Roel Kluin wrote:
> The reg_pair2[j].reg was tested twice.
> 
> Signed-off-by: Roel Kluin <roel.kluin@...il.com>
> ---
>  drivers/media/common/tuners/mxl5007t.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> I think this was intended?
> 
> diff --git a/drivers/media/common/tuners/mxl5007t.c b/drivers/media/common/tuners/mxl5007t.c
> index 2d02698..7eb1bf7 100644
> --- a/drivers/media/common/tuners/mxl5007t.c
> +++ b/drivers/media/common/tuners/mxl5007t.c
> @@ -196,7 +196,7 @@ static void copy_reg_bits(struct reg_pair_t *reg_pair1,
>  	i = j = 0;
>  
>  	while (reg_pair1[i].reg || reg_pair1[i].val) {
> -		while (reg_pair2[j].reg || reg_pair2[j].reg) {
> +		while (reg_pair2[j].reg || reg_pair2[j].val) {
>  			if (reg_pair1[i].reg != reg_pair2[j].reg) {
>  				j++;
>  				continue;
> --
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