From: Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
Date: Wed, 3 Oct 2012 17:08:52 +0000 (+0100)
Subject: xen/xen_initial_domain: check that xen_start_info is initialized
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~9^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4ed5978bdd99114db7773cb3d78f2998bd17f694;p=pandora-kernel.git

xen/xen_initial_domain: check that xen_start_info is initialized

Since commit commit 4c071ee5268f7234c3d084b6093bebccc28cdcba ("arm:
initial Xen support") PV on HVM guests can be xen_initial_domain.
However PV on HVM guests might have an unitialized xen_start_info, so
check before accessing its fields.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Campbell <Ian.Campbell@citrix.com>
Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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