Konsta Hölttä d44ed9d3a8 gpu: nvgpu: rollback gpfifo on error ...

Submitting new work may fail in the middle of writing the gpfifo
entries. Undo the increments on the gp_put shadow pointer in case of
error to avoid submitting wrong data during the next submit.

Jira NVGPU-5491

Change-Id: I064eaac8773b24da0a56db79ac6bfd07c008da03
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2340464
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2020-12-15 14:13:28 -06:00

22 KiB

Raw Blame History

View Raw