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Dmitry BaryshkovandGreg Kroah-Hartman
f7ef9a4379
[ Upstream commit4f3b77ae5f] The data from catalog is marked as const, so it is a part of the RO segment. Allowing userspace to write to it through debugfs can cause protection faults. Set debugfs file mode to read-only for debug entries corresponding to perf_cfg coming from catalog. Fixes:abda0d925f("drm/msm/dpu: Mark various data tables as const") Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/582844/ Link: https://lore.kernel.org/r/20240314-dpu-perf-rework-v3-1-79fa4e065574@linaro.org Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Signed-off-by: Sasha Levin <sashal@kernel.org>