From: Ville Syrjälä ville.syrjala@linux.intel.com
Don't let userspace feed us any old garbage in the mode aspect ratio flags.
Cc: Ilia Mirkin imirkin@alum.mit.edu Signed-off-by: Ville Syrjälä ville.syrjala@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);