From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Sat, 29 Sep 2012 14:32:05 +0000
Subject: Re: [patch] [media] cx25821: testing the wrong variable
Message-Id: <20120929143205.GN4587@mwanda>
List-Id: <kernel-janitors.vger.kernel.org>
References: <20120929071253.GD10993@elgon.mountain>
 <5066D2F6.10800@bfs.de>
In-Reply-To: <5066D2F6.10800@bfs.de>
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To: walter harms <wharms@bfs.de>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>, "Leonid V. Fedorenchik" <leonidsbox@gmail.com>, Thomas Meyer <thomas@m3y3r.de>, Hans Verkuil <hans.verkuil@cisco.com>, linux-media@vger.kernel.org, kernel-janitors@vger.kernel.org

On Sat, Sep 29, 2012 at 12:52:38PM +0200, walter harms wrote:
> 
> 
> Am 29.09.2012 09:12, schrieb Dan Carpenter:
> > ->input_filename could be NULL here.  The intent was to test
> > ->_filename.
> > 
> > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> > ---
> > I'm not totally convinced that using /root/vid411.yuv is the right idea.
> > 
> > diff --git a/drivers/media/pci/cx25821/cx25821-video-upstream.c b/drivers/media/pci/cx25821/cx25821-video-upstream.c
> > index 52c13e0..6759fff 100644
> > --- a/drivers/media/pci/cx25821/cx25821-video-upstream.c
> > +++ b/drivers/media/pci/cx25821/cx25821-video-upstream.c
> > @@ -808,7 +808,7 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
> >  	}
> >  
> >  	/* Default if filename is empty string */
> > -	if (strcmp(dev->input_filename, "") = 0) {
> > +	if (strcmp(dev->_filename, "") = 0) {
> >  		if (dev->_isNTSC) {
> >  			dev->_filename > >  				(dev->_pixel_format = PIXEL_FRMT_411) ?
> > diff --git a/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c b/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c
> > index c8c94fb..d33fc1a 100644
> > --- a/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c
> > +++ b/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c
> > @@ -761,7 +761,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
> >  	}
> >  
> >  	/* Default if filename is empty string */
> > -	if (strcmp(dev->input_filename_ch2, "") = 0) {
> > +	if (strcmp(dev->_filename_ch2, "") = 0) {
> >  		if (dev->_isNTSC_ch2) {
> >  			dev->_filename_ch2 = (dev->_pixel_format_ch2 =
> >  				PIXEL_FRMT_411) ? "/root/vid411.yuv" :
> >
> 
> In this case stcmp seems a bit of a overkill. A simple
> *(dev->_filename_ch2) = 0
> should be ok ?

I prefer strcmp() actually.  More readable.

regards,
dan carpenter

> 
> re,
>  wh
> --
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