linux-kernel - Re: [PATCH] PNP: pnpbios: Use PTR_ERR_OR

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Date:   Sun, 17 Dec 2017 18:36:58 +0100
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Jean Delvare <jdelvare@...e.de>,
        Vasyl Gomonovych <gomonovych@...il.com>,
        linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] PNP: pnpbios: Use PTR_ERR_OR_ZERO()

On Wednesday, November 29, 2017 9:55:23 PM CET Jean Delvare wrote:
> On Wed, 29 Nov 2017 17:20:57 +0100, Vasyl Gomonovych wrote:
> > Fix ptr_ret.cocci warnings:
> > drivers/pnp/pnpbios/core.c:584:1-3: WARNING: PTR_ERR_OR_ZERO can be used
> > 
> > Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
> > 
> > Generated by: scripts/coccinelle/api/ptr_ret.cocci
> > 
> > Signed-off-by: Vasyl Gomonovych <gomonovych@...il.com>
> > ---
> >  drivers/pnp/pnpbios/core.c | 5 +----
> >  1 file changed, 1 insertion(+), 4 deletions(-)
> > 
> > diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
> > index e681140b85d8..077f334fdbae 100644
> > --- a/drivers/pnp/pnpbios/core.c
> > +++ b/drivers/pnp/pnpbios/core.c
> > @@ -581,10 +581,7 @@ static int __init pnpbios_thread_init(void)
> >  
> >  	init_completion(&unload_sem);
> >  	task = kthread_run(pnp_dock_thread, NULL, "kpnpbiosd");
> > -	if (IS_ERR(task))
> > -		return PTR_ERR(task);
> > -
> > -	return 0;
> > +	return PTR_ERR_OR_ZERO(task);
> >  }
> >  
> >  /* Start the kernel thread later: */
> 
> Looks good to me.
> 
> Reviewed-by: Jean Delvare <jdelvare@...e.de>
> 
> 

Applied, thanks!