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drm: Reject addfb2 with undefined flag bits set

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Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Ville Syrjälä 2012-11-08 09:09:42 +00:00 committed by Dave Airlie
parent 4c9287c600
commit e3cc3520dc
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/drm_crtc.c
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@ -2331,6 +2331,11 @@ int drm_mode_addfb2(struct drm_device *dev,
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
if (r->flags & ~DRM_MODE_FB_INTERLACED) {
DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags);
return -EINVAL;
}
if ((config->min_width > r->width) || (r->width > config->max_width)) {
DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n",
r->width, config->min_width, config->max_width);