From e3cc3520dc2f554b9686b8fc5773d8b8bc8e9c9a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Thu, 8 Nov 2012 09:09:42 +0000 Subject: [PATCH] drm: Reject addfb2 with undefined flag bits set MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Ville Syrjälä Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_crtc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 35336097fb47..7ac3952f74fc 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -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); -- 2.20.1