From: David Vrabel <david.vrabel@citrix.com>
Date: Thu, 11 Sep 2014 13:20:04 +0000 (+0100)
Subject: xen-scsifront: don't deadlock if the ring becomes full
X-Git-Tag: omap-for-v3.19/prcm-cleanup~115^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7921a11c7b2929f3ed6fe9081edcf695c60b23c6;p=pandora-kernel.git

xen-scsifront: don't deadlock if the ring becomes full

scsifront_action_handler() will deadlock on host->host_lock, if the
ring is full and it has to wait for entries to become available.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
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