From: David Vrabel <david.vrabel@citrix.com>
Date: Thu, 18 Oct 2012 10:03:36 +0000 (+0100)
Subject: xen-pcifront: Handle backend CLOSED without CLOSING
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~34^2~5^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d5af64de2d1cc87d77ac7c0e90d89630a37a4f09;p=pandora-kernel.git

xen-pcifront: Handle backend CLOSED without CLOSING

Backend drivers shouldn't transition to CLOSED unless the frontend is
CLOSED.  If a backend does transition to CLOSED too soon then the
frontend may not see the CLOSING state and will not properly shutdown.

So, treat an unexpected backend CLOSED state the same as CLOSING.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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