From: Michael Ellerman <mpe@ellerman.id.au>
Date: Tue, 14 Apr 2015 06:49:05 +0000 (+1000)
Subject: powerpc/eeh: Fix crash in eeh_add_device_early() on Cell
X-Git-Tag: omap-for-v4.2/o2_dc~116^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=89a51df5ab1d38b257300b8ac940bbac3bb0eb9b;p=pandora-kernel.git

powerpc/eeh: Fix crash in eeh_add_device_early() on Cell

The recent change to the EEH probing causes a crash on Cell because
eeh_ops is NULL.

Check if EEH is enabled and if not bail out.

Fixes: ff57b454ddb9 ("powerpc/eeh: Do probe on pci_dn")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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