linux-kernel - Re: [PATCH] xen: don't continue xenstore initialization in case of errors

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Message-ID: <alpine.DEB.2.22.394.2111151424510.1412361@ubuntu-linux-20-04-desktop>
Date:   Mon, 15 Nov 2021 14:25:06 -0800 (PST)
From:   Stefano Stabellini <sstabellini@...nel.org>
To:     Jan Beulich <jbeulich@...e.com>
cc:     Stefano Stabellini <sstabellini@...nel.org>,
        boris.ostrovsky@...cle.com, xen-devel@...ts.xenproject.org,
        linux-kernel@...r.kernel.org,
        Stefano Stabellini <stefano.stabellini@...inx.com>,
        Stable@...r.kernel.org, jgross@...e.com
Subject: Re: [PATCH] xen: don't continue xenstore initialization in case of
 errors

On Mon, 15 Nov 2021, Jan Beulich wrote:
> On 12.11.2021 22:47, Stefano Stabellini wrote:
> > --- a/drivers/xen/xenbus/xenbus_probe.c
> > +++ b/drivers/xen/xenbus/xenbus_probe.c
> > @@ -983,8 +983,10 @@ static int __init xenbus_init(void)
> >  	 */
> >  	proc_create_mount_point("xen");
> >  #endif
> > +	return err;
> 
> Personally I think such cases would better be "return 0". With
> that done here, err's initializer could (imo should) then also
> be dropped.

I'll make both changes in the next version


> >  out_error:
> > +	xen_store_domain_type = XS_UNKNOWN;
> >  	return err;
> >  }
> >  
> > 
>