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| author | Alvin Park <apark@nvidia.com> | 2020-12-14 20:34:44 -0500 |
|---|---|---|
| committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2021-10-21 10:10:24 -0400 |
| commit | 4d17d8b10431b1ba5775d35b34e76dbb8f9b448a (patch) | |
| tree | e2afb126a533aac3aa493798429f1be6efdc1747 /drivers/gpu/nvgpu/perf/perf.c | |
| parent | 725a5eaa801098f5f59762a87b7200803e82551c (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 200773027
Change-Id: I914b5b0aa48ccb15affe79510b696ebc91129f67
Signed-off-by: Aditya Gupta <adigupta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2596320
(cherry picked from commit e649029c7bed3c7afbd454d7e94f9173377f4c64)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2614156
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Rohit Upadhyay <rupadhyay@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Diffstat (limited to 'drivers/gpu/nvgpu/perf/perf.c')
0 files changed, 0 insertions, 0 deletions