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e583e4a6dc
Add additional checks to prevent users without both READ/WRITE permissions from opening the control-fifo device node. Jira NVGPU-8619 Signed-off-by: Debarshi Dutta <ddutta@nvidia.com> Change-Id: Ie0be0f578c154b45547d5d150ddabaa5936bda80 Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2813816 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com> Reviewed-by: Prateek Sethi <prsethi@nvidia.com> Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com> Tested-by: Prateek Sethi <prsethi@nvidia.com>