linux-kernel - Re: [PATCH] xen/9pfs: initialize len to 0 to detect xenbus

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Date:   Tue, 18 Apr 2017 10:09:59 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Stefano Stabellini <sstabellini@...nel.org>,
        xen-devel@...ts.xen.org
Cc:     linux-kernel@...r.kernel.org,
        Stefano Stabellini <stefano@...reto.com>,
        dan.carpenter@...cle.com, boris.ostrovsky@...cle.com,
        Eric Van Hensbergen <ericvh@...il.com>,
        Ron Minnich <rminnich@...dia.gov>,
        Latchesar Ionkov <lucho@...kov.net>,
        v9fs-developer@...ts.sourceforge.net
Subject: Re: [PATCH] xen/9pfs: initialize len to 0 to detect xenbus_read
 errors

On 13/04/17 19:57, Stefano Stabellini wrote:
> In order to use "len" to check for xenbus_read errors properly, we need
> to initialize len to 0 before passing it to xenbus_read.
> 
> Signed-off-by: Stefano Stabellini <stefano@...reto.com>
> CC: dan.carpenter@...cle.com
> CC: jgross@...e.com
> CC: boris.ostrovsky@...cle.com
> CC: Eric Van Hensbergen <ericvh@...il.com>
> CC: Ron Minnich <rminnich@...dia.gov>
> CC: Latchesar Ionkov <lucho@...kov.net>
> CC: v9fs-developer@...ts.sourceforge.net

Committed to xen/tip for-linus-4.12


Thanks,

Juergen