linux-kernel - Re: [PATCH v2] drm/edid: use true and false for boolean values

Open Source and information security mailing list archives

Date:   Tue, 30 Jan 2018 17:19:46 +0200
From:   Ville Syrjälä <ville.syrjala@...ux.intel.com>
To:     Sean Paul <seanpaul@...omium.org>
Cc:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        David Airlie <airlied@...ux.ie>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        Daniel Vetter <daniel.vetter@...el.com>,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: Re: [PATCH v2] drm/edid: use true and false for boolean values

On Tue, Jan 30, 2018 at 10:09:27AM -0500, Sean Paul wrote:
> On Tue, Jan 30, 2018 at 04:05:28AM -0600, Gustavo A. R. Silva wrote:
> > Assign true or false to boolean variables instead of an integer value.
> > 
> > This issue was detected with the help of Coccinelle.
> 
> I suppose you could also fix up the other preferred assignment by adding !!
> to the bitwise & operation.

Assigning >1 to a bool is well defined. No need to clutter the code with
!! imo.

> 
> It's also helpful to post the spatch in the commit message so others can
> replicate your result (this case is pretty trivial, so less important).
> 
> Sean
> 
> > 
> > Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> > ---
> > Changes in v2:
> >  - Use true for boolean value in add_detailed_mode as suggested by Daniel
> >    Vetter.
> >  - Update subject.
> > 
> >  drivers/gpu/drm/drm_edid.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> > index ddd5379..b1cb262 100644
> > --- a/drivers/gpu/drm/drm_edid.c
> > +++ b/drivers/gpu/drm/drm_edid.c
> > @@ -2767,7 +2767,7 @@ do_detailed_mode(struct detailed_timing *timing, void *c)
> >  
> >  		drm_mode_probed_add(closure->connector, newmode);
> >  		closure->modes++;
> > -		closure->preferred = 0;
> > +		closure->preferred = false;
> >  	}
> >  }
> >  
> > @@ -2784,7 +2784,7 @@ add_detailed_modes(struct drm_connector *connector, struct edid *edid,
> >  	struct detailed_mode_closure closure = {
> >  		.connector = connector,
> >  		.edid = edid,
> > -		.preferred = 1,
> > +		.preferred = true,
> >  		.quirks = quirks,
> >  	};
> >  
> > -- 
> > 2.7.4
> > 
> 
> -- 
> Sean Paul, Software Engineer, Google / Chromium OS
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Ville Syrjälä
Intel OTC

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