linux-kernel - Re: [PATCH v4 1/4] iio: tsl2772: Use devm_add_action_or

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Date:   Mon, 5 Aug 2019 16:25:30 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Brian Masney <masneyb@...tation.org>
Cc:     Chuhong Yuan <hslester96@...il.com>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/4] iio: tsl2772: Use devm_add_action_or_reset

On Thu, 1 Aug 2019 05:37:31 -0400
Brian Masney <masneyb@...tation.org> wrote:

> On Thu, Aug 01, 2019 at 05:33:47AM -0400, Brian Masney wrote:
> > On Thu, Aug 01, 2019 at 03:35:57PM +0800, Chuhong Yuan wrote:  
> > > Use devm_add_action_or_reset to remove the call to
> > > tsl2772_disable_regulators_action to simplify the error path.
> > > 
> > > Signed-off-by: Chuhong Yuan <hslester96@...il.com>  
> > 
> > For the whole series:
> > 
> > Reviewed-by: Brian Masney <masneyb@...tation.org>  
> 
> Oops, I forgot to add this as well:
> 
> Tested-by: Brian Masney <masneyb@...tation.org>
> 
> I tested this on a Nexus 5 phone.
> 
> Brian
> 
Applied to the togreg branch of iio.git and pushed out as testing.

Now the fact we have a fix in the middle of this series is
a bit unfortunate as it'll mean we need an explicit backport to
take that for stable.

Oh well, if anyone wants it up to them to do the work ;)

Thanks,

Jonathan

> 
> > 
> > I forgot to mention this before, but next time please use a cover letter
> > if you're sending more than one patch: git format-patch --cover-letter.
> > 
> > Brian
> > 
> >   
> > > ---
> > > Changes in v4:
> > >   - Split v3 into three patches.
> > >   - Revise description to make it more precise.
> > > 
> > >  drivers/iio/light/tsl2772.c | 6 +++---
> > >  1 file changed, 3 insertions(+), 3 deletions(-)
> > > 
> > > diff --git a/drivers/iio/light/tsl2772.c b/drivers/iio/light/tsl2772.c
> > > index 83cece921843..29cfd8ae2700 100644
> > > --- a/drivers/iio/light/tsl2772.c
> > > +++ b/drivers/iio/light/tsl2772.c
> > > @@ -1807,10 +1807,10 @@ static int tsl2772_probe(struct i2c_client *clientp,
> > >  		return PTR_ERR(chip->vdd_supply);
> > >  	}
> > >  
> > > -	ret = devm_add_action(&clientp->dev, tsl2772_disable_regulators_action,
> > > -			      chip);
> > > +	ret = devm_add_action_or_reset(&clientp->dev,
> > > +					tsl2772_disable_regulators_action,
> > > +					chip);
> > >  	if (ret < 0) {
> > > -		tsl2772_disable_regulators_action(chip);
> > >  		dev_err(&clientp->dev, "Failed to setup regulator cleanup action %d\n",
> > >  			ret);
> > >  		return ret;
> > > -- 
> > > 2.20.1