From: Alexander Stein <alexander.stein@systec-electronic.com>
Date: Tue, 26 Jul 2011 00:11:54 +0000 (-0700)
Subject: drivers/misc/pch_phub.c: don't oops if dmi_get_system_info returns NULL
X-Git-Tag: v3.1-rc1~241^2~114
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b934c6236983392d01bef22e43af3051cac16f5;p=pandora-kernel.git

drivers/misc/pch_phub.c: don't oops if dmi_get_system_info returns NULL

If dmi_get_system_info() returns NULL, pch_phub_probe() will dereferencea
a zero pointer.

This oops was observed on an Atom based board which has no BIOS, but a
bootloder which doesn't privde DMI data.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Cc: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Cc: Greg KH <gregkh@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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