netdev - Re: [PATCH] xen-netback: don't de-reference vif pointer after having called xenvif

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Date:	Wed, 5 Jun 2013 16:13:31 +0100
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	Jan Beulich <JBeulich@...e.com>
CC:	<davem@...emloft.net>, xen-devel <xen-devel@...ts.xen.org>,
	<netdev@...r.kernel.org>
Subject: Re: [PATCH] xen-netback: don't de-reference vif pointer after
 having called xenvif_put()

On Wed, 2013-06-05 at 15:03 +0100, Jan Beulich wrote:
> When putting vif-s on the rx notify list, calling xenvif_put() must be
> deferred until after the removal from the list and the issuing of the
> notification, as both operations dereference the pointer.
> 
> Changing this got me to notice that the "irq" variable was effectively
> unused (and was of too narrow type anyway).
> 
> Signed-off-by: Jan Beulich <jbeulich@...e.com>

Acked-by: Ian Campbell <ian.campbell@...rix.com>


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