From: Ville Syrjälä <ville.syrj...@linux.intel.com>
Don't let userspace feed us any old garbage in the mode aspect ratio
flags.
Cc: Ilia Mirkin <imir...@alum.mit.edu>
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/drm_modes.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 53acc6756ee0..847048dee048 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1977,9 +1977,11 @@ int drm_mode_convert_umode(struct drm_device *dev,
case DRM_MODE_FLAG_PIC_AR_256_135:
out->picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135;
break;
- default:
+ case DRM_MODE_FLAG_PIC_AR_NONE:
out->picture_aspect_ratio = HDMI_PICTURE_ASPECT_NONE;
break;
+ default:
+ return -EINVAL;
}
out->status = drm_mode_validate_driver(dev, out);
--
2.21.0
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