Commit 18226ba5 authored by Erik Kurzinger's avatar Erik Kurzinger Committed by Simon Ser
Browse files

drm/syncobj: reject invalid flags in drm_syncobj_find_fence 



The only flag that is meaningful to drm_syncobj_find_fence is
DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT. It should return -EINVAL for any
other flag bits.

Signed-off-by: default avatarErik Kurzinger <ekurzinger@nvidia.com>
Signed-off-by: default avatarSimon Ser <contact@emersion.fr>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: default avatarSimon Ser <contact@emersion.fr>
Link: https://patchwork.freedesktop.org/patch/msgid/20240119163208.3723457-2-ekurzinger@nvidia.com
parent 8c44ea81

drivers/gpu/drm/drm_syncobj.c

+3 −0
Original line number Diff line number Diff line
@@ -441,6 +441,9 @@ int drm_syncobj_find_fence(struct drm_file *file_private, 
	u64 timeout = nsecs_to_jiffies64(DRM_SYNCOBJ_WAIT_FOR_SUBMIT_TIMEOUT);

	int ret;



	if (flags & ~DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT)

		return -EINVAL;



	if (!syncobj)

		return -ENOENT;