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| author | Alvin Park <apark@nvidia.com> | 2020-12-14 20:34:44 -0500 |
|---|---|---|
| committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2020-12-16 12:09:13 -0500 |
| commit | 438215b056feef0861b07b9111a1e6438dfc290e (patch) | |
| tree | 1e715aa3e0e8ecfacc05470188b8334f25c8b054 /drivers/gpu/nvgpu/common/nvlink.c | |
| parent | 7bf2833f340f87ea643d3ef66b0e4c22ffb1e891 (diff) | |
gpu: nvgpu: add check for is_railgated
When try to read '/sys/kernel/debug/gpu.0/railgate_residency'
debug fs node, NULL pointer access error can be happened if
is_railgated function is not assinged.
Add check for is_railgated before calling the function pointer.
Bug 200682233
Change-Id: I4a03d4e19b04d02815b792d7d967d4a1d5f42c35
Signed-off-by: Alvin Park <apark@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2459751
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Hardik T Shah <hardikts@nvidia.com>
Reviewed-by: Phoenix Jung <pjung@nvidia.com>
Reviewed-by: Jay Kumar Bajaj <jbajaj@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/common/nvlink.c')
0 files changed, 0 insertions, 0 deletions