linux-kernel - Re: [PATCH 1/2] staging: vc04_services: mmal-vchiq: Do not assign bool to u32

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Message-ID: <Y3Y8II27ncbz0bLy@kadam>
Date:   Thu, 17 Nov 2022 16:50:24 +0300
From:   Dan Carpenter <error27@...il.com>
To:     Umang Jain <umang.jain@...asonboard.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Stefan Wahren <wahrenst@....net>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        kieran.bingham@...asonboard.com
Subject: Re: [PATCH 1/2] staging: vc04_services: mmal-vchiq: Do not assign
 bool to u32

On Thu, Nov 17, 2022 at 06:57:07PM +0530, Umang Jain wrote:
> Hi Greg,
> 
> Thanks for the comment,
> 
> On 11/17/22 6:43 PM, Greg Kroah-Hartman wrote:
> > On Thu, Nov 17, 2022 at 06:29:52PM +0530, Umang Jain wrote:
> > > From: Dave Stevenson <dave.stevenson@...pberrypi.com>
> > > 
> > > struct vchiq_mmal_component.enabled is a u32 type. Do not assign
> > > it a bool.
> > > 
> > > Fixes: 640e77466e69 ("staging: mmal-vchiq: Avoid use of bool in structures")
> > > Signed-off-by: Dave Stevenson <dave.stevenson@...pberrypi.com>
> > > Signed-off-by: Umang Jain <umang.jain@...asonboard.com>
> > > ---
> > >   drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c | 2 +-
> > >   1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
> > > index cb921c94996a..17f8ceda87ca 100644
> > > --- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
> > > +++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
> > > @@ -1773,7 +1773,7 @@ int vchiq_mmal_component_enable(struct vchiq_mmal_instance *instance,
> > >   	ret = enable_component(instance, component);
> > >   	if (ret == 0)
> > > -		component->enabled = true;
> > > +		component->enabled = 1;
> > Why not make enabled a bool instead?
> 
> Makes sense. It would probably require reverting the 640e77466e69 ("staging:
> mmal-vchiq: Avoid use of bool in structures")
> 

Reverting that patch seems like a good idea.

regards,
dan carpenter