From: Grant Likely <grant.likely@secretlab.ca>
Date: Sat, 22 Mar 2008 03:20:29 +0000 (+1100)
Subject: [POWERPC] mpc5200-fec: Fix possible NULL dereference in mdio driver
X-Git-Tag: v2.6.25-rc7~23^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8c19eb16a7e6df57d0f6d67e42ce026e5d5930b;p=pandora-kernel.git

[POWERPC] mpc5200-fec: Fix possible NULL dereference in mdio driver

If the reg property is missing from the phy node (unlikely, but possible),
then the kernel will oops with a NULL pointer dereference.  This fixes
it by checking the pointer first.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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