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Following error is seen on unloading nvgpu on platforms with NVGPU_DISABLE_ECC_STATS set to true. [ 3712.384639] Internal error: Oops: 96000004 [#1] PREEMPT SMP [ 3712.388479] pc : sysfs_remove_file_ns+0x28/0x50 [ 3712.389119] lr : sysfs_remove_file_ns+0x28/0x50 ... [ 3712.400640] sysfs_remove_file_ns+0x28/0x50 [ 3712.401280] device_remove_file+0x34/0x50 [ 3712.414720] nvgpu_ecc_sysfs_remove+0x74/0xc0 [nvgpu] [ 3712.428800] nvgpu_ecc_remove_support+0x38/0x80 [nvgpu] [ 3712.442240] nvgpu_put+0xb8/0x160 [nvgpu] [ 3712.456319] nvgpu_pci_remove+0x168/0x250 [nvgpu] [ 3712.456959] pci_device_remove+0x4c/0x100 This is happening as ecc sysfs files are not created, however their removal is attempted. Add NVGPU_DISABLE_ECC_STATS check for ecc sysfs removal. Bug 3495440 Change-Id: I9726cf43a740c2b591ca39bdc572e8f4ff5684d3 Signed-off-by: Sagar Kamble <skamble@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2891876 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com> Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com> Reviewed-by: Rajesh Devaraj <rdevaraj@nvidia.com> Reviewed-by: Divya Singhatwaria <dsinghatwari@nvidia.com> Reviewed-by: Martin Radev <mradev@nvidia.com> Reviewed-by: Seema Khowala <seemaj@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>