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

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Message-ID: <6be8285f-6cbe-c115-a826-585664c91022@suse.com>
Date:   Mon, 15 Nov 2021 11:08:22 +0100
From:   Jan Beulich <jbeulich@...e.com>
To:     Stefano Stabellini <sstabellini@...nel.org>
Cc:     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 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.

Jan

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