linux-kernel - Re: [Outreachy kernel] Re: [PATCH 1/2] staging: media: atomisp: pci: Correct identation in block of conditional statements in file atomisp

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Date:   Wed, 14 Apr 2021 16:39:20 +0200 (CEST)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Dan Carpenter <dan.carpenter@...cle.com>
cc:     Aline Santana Cordeiro <alinesantanacordeiro@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org, outreachy-kernel@...glegroups.com
Subject: Re: [Outreachy kernel] Re: [PATCH 1/2] staging: media: atomisp: pci:
 Correct identation in block of conditional statements in file
 atomisp_v4l2.c



On Wed, 14 Apr 2021, Dan Carpenter wrote:

> On Wed, Apr 14, 2021 at 11:06:02AM -0300, Aline Santana Cordeiro wrote:
> > Correct identation in block of conditional statements.
> > The function "v4l2_device_unregister_subdev()" depends on
> > the results of the macro function "list_for_each_entry_safe()".
> >
> > Signed-off-by: Aline Santana Cordeiro <alinesantanacordeiro@...il.com>
> > ---
> >  drivers/staging/media/atomisp/pci/atomisp_v4l2.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
> > index 0295e2e..6d853f4 100644
> > --- a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
> > +++ b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
> > @@ -1178,7 +1178,7 @@ static void atomisp_unregister_entities(struct atomisp_device *isp)
> >  		atomisp_mipi_csi2_unregister_entities(&isp->csi2_port[i]);
> >
> >  	list_for_each_entry_safe(sd, next, &isp->v4l2_dev.subdevs, list)
> > -	v4l2_device_unregister_subdev(sd);
> > +		v4l2_device_unregister_subdev(sd);
> >
>
> It's really more common to use curly braces for list_for_each() one
> liners.
>
> 	list_for_each_entry_safe(sd, next, &isp->v4l2_dev.subdevs, list) {
> 		v4l2_device_unregister_subdev(sd);
> 	}

A quick test with grep shows 4000 lines containing list_for_each that
contain no {, out of 15000 lines containing list_for_each in all.

julia


>
> regards,
> dan carpenter
>
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