Quoting Michal Wajdeczko (2019-08-12 20:51:25)
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
> b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
> index 20a5ddb753c3..885a4d7e4d37 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
> @@ -42,7 +42,7 @@ enum intel_uc_fw_type {
> */
> struct intel_uc_fw {
> enum intel_uc_fw_type type;
> - enum intel_uc_fw_status status;
> + enum intel_uc_fw_status _status;
What you can do to prevent accidentally writing into the variable, while
keeping fw->status for convenience, is
- enum intel_uc_fw_status _status;
+ union {
+ const enum intel_uc_fw_status status;
+ enum intel_uc_fw_status __status; /* no accidental overwrites */
+ };
The only catch is that is disallows struct assignment (but memcpy is
still fine).
-Chris
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