Fixes the condition check of incoming message type which can
otherwise shoot beyond the message notifiers head array.
Signed-off-by: NNeelesh Gupta <neelegup@linux.vnet.ibm.com>
Reviewed-by: NVasant Hegde <hegdevasant@linux.vnet.ibm.com>
Reviewed-by: NAnshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>