linux-kernel - Re: [Xen-devel] [PATCH 3/3 v2] xen/xenbus: Improve failure processing code for __xenbus_switch

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <54203A73.8030103@citrix.com>
Date:	Mon, 22 Sep 2014 16:04:19 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Chen Gang <gang.chen.5i5j@...il.com>,
	David Vrabel <david.vrabel@...rix.com>,
	<konrad.wilk@...cle.com>, <boris.ostrovsky@...cle.com>,
	<stefano.stabellini@...citrix.com>, <mukesh.rathor@...cle.com>
CC:	<xen-devel@...ts.xenproject.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] [PATCH 3/3 v2] xen/xenbus: Improve failure processing
 code for __xenbus_switch_state()

On 18/09/14 15:01, Chen Gang wrote:
> When failure occurs, need return failure code instead of 0, or some of
> indirect upper callers may misunderstand.
> 
> e.g. in "block/xen-blkback/xenbus.c":
> 
>     connect() -> xenbus_switch_state() -> __xenbus_switch_state().

Can you make xenbus_switch_state() void?  The callers don't need to do
any error handling.

David
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/