From: David Daney <david.daney@cavium.com>
Date: Tue, 16 Aug 2011 18:24:37 +0000 (-0700)
Subject: PCI: OF: Don't crash when bridge parent is NULL.
X-Git-Tag: v3.1-rc3~10^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=69566dd8be42dea7a22f625abc96e65bb4b45d1f;p=pandora-kernel.git

PCI: OF: Don't crash when bridge parent is NULL.

In pcibios_get_phb_of_node(), we will crash while booting if
bus->bridge->parent is NULL.

Check for this case and avoid dereferencing the NULL pointer.

Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---

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