Hello Andrzej Pietrasiewicz,
The patch 01fb9185dc18: "drm/exynos: Add driver for Exynos Scaler
module" from May 9, 2018, leads to the following static checker
warning:
drivers/gpu/drm/exynos/exynos_drm_scaler.c:402 scaler_task_done()
warn: signedness bug returning '(-22)'
drivers/gpu/drm/exynos/exynos_drm_scaler.c
399
400 static inline bool scaler_task_done(u32 val)
401 {
402 return val & SCALER_INT_STATUS_FRAME_END ? 0 : -EINVAL;
^^^^^^^
403 }
404
regards,
dan carpenter
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