[PATCH libdrm] drm/atomic: Refuse to add invalid objects to requests

Object and property IDs cannot be zero. Prevent them from being added to the request stream at all, rather than breaking at commit time.

Signed-off-by: Daniel Stone daniels@collabora.com --- xf86drmMode.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/xf86drmMode.c b/xf86drmMode.c index 15957ffc..bd59ef25 100644 --- a/xf86drmMode.c +++ b/xf86drmMode.c @@ -1313,6 +1313,9 @@ int drmModeAtomicAddProperty(drmModeAtomicReqPtr req, if (!req) return -EINVAL;

+ if (object_id == 0 || property_id == 0) + return -EINVAL; + if (req->cursor >= req->size_items) { drmModeAtomicReqItemPtr new;