From: Florian Fainelli <f.fainelli@gmail.com>
Date: Wed, 28 May 2014 17:39:02 +0000 (-0700)
Subject: of: handle NULL node in next_child iterators
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~56^2~21^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=43cb43678705e39b175b325f17938295996aefc7;p=pandora-kernel.git

of: handle NULL node in next_child iterators

Add an early check for the node argument in __of_get_next_child and
of_get_next_available_child() to avoid dereferencing a NULL node pointer
a few lines after.

CC: Daniel Mack <zonque@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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