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In case nvlink initialization failure, some structures are not yet initialized, and attempting to de-initialize them caused some memory faults. Added checks before de-initializing fecs_traces, and perf_pmu and clk_pmu. Bug 200542335 Change-Id: Ib40820b6b5bf356f762112b772a9df533b36b045 Signed-off-by: Thomas Fleury <tfleury@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2176206 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Alex Waterman <alexw@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>