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powerpc/pseries: Fix oops with MSIs when missing EEH PEs
authorAlexey Kardashevskiy <aik@ozlabs.ru>
Fri, 23 Nov 2012 02:25:39 +0000 (13:25 +1100)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 23 Nov 2012 02:26:05 +0000 (13:26 +1100)
The new EEH code introduced a small regression, if the EEH PEs
are missin (which happens currently in qemu for example), it
will deref a NULL pointer in the MSI code.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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