linux-kernel - Re: [PATCH] staging:xgifb: Fix Comparisons should place the constant on the right side of the test warning

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Message-ID: <20160427135836.GM4298@mwanda>
Date:	Wed, 27 Apr 2016 16:58:36 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	YU Bo <tsu.yubo@...il.com>
Cc:	Patard <arnaud.patard@...-net.org>,
	Kroah-Hartman <gregkh@...uxfoundation.org>,
	Sim <nicholassimws@...il.com>, Goyal <bhumirks@...il.com>,
	Barnes <clifton.a.barnes@...il.com>,
	Sachdeva <aquannie@...il.com>, Frederick <fabf@...net.be>,
	Ravichandran <janani.rvchndrn@...il.com>, yuzibode@....com,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging:xgifb: Fix Comparisons should place the constant
 on the right side of the test warning

On Wed, Apr 27, 2016 at 09:27:39AM -0400, YU Bo wrote:
> Fixed checkpatch.pl's warning 'Comparisons should place the constant on
> the right side of the test'
> 
> Signed-off-by: YU Bo <tsu.yubo@...il.com>
> ---
>  drivers/staging/xgifb/vb_setmode.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c
> index 50c8ea4f5ab7..8bf253c224ad 100644
> --- a/drivers/staging/xgifb/vb_setmode.c
> +++ b/drivers/staging/xgifb/vb_setmode.c
> @@ -1208,7 +1208,7 @@ static void const *XGI_GetLcdPtr(struct XGI330_LCDDataTablStruct const *table,
>  		if (pVBInfo->LCDInfo & EnableScalingLCD)
>  			tempdx &= (~PanelResInfo);
> 
> -		if (table[i].PANELID == tempdx) {
> +		if (tempdx == table[i].PANELID) {

I don't understand why checkpatch is complaining about this one...  It
seems like a false positive.  Maybe it's because .PANELID is a rubbish
variable name.

regards,
dan carpetner