From: Gavin Shan <gwshan@linux.vnet.ibm.com>
Date: Wed, 12 Nov 2014 02:36:11 +0000 (+1100)
Subject: powerpc/powernv: Fix potential zero devisor
X-Git-Tag: omap-for-v3.19/fixes-rc1~123^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf2b1e0eb0c281122b001cc879ca0118bff71255;p=pandora-kernel.git

powerpc/powernv: Fix potential zero devisor

If there're no PHBs under P5IOC2 HUB device tree node, we should
bail early to avoid zero devisor and allocating TCE tables.

Reported-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---

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