From ef41564a3e4af0c3c101fae76f77b3ea65aca5be Mon Sep 17 00:00:00 2001 From: Jordan Crouse Date: Mon, 13 Feb 2017 10:14:18 -0700 Subject: drm/msm: Make sure that MSM_SUBMIT_BO_FLAGS are set For every submission buffer object one of MSM_SUBMIT_BO_WRITE and MSM_SUBMIT_BO_READ must be set (and nothing else). If we allowed zero then the buffer object would never get queued to be unreferenced. Change-Id: Ic0dedbad8a4543428372fe3fef9503cedd1eef6e Signed-off-by: Jordan Crouse --- drivers/gpu/drm/msm/msm_gem_submit.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 4fdf3a793814..0aea6377b449 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -90,7 +90,8 @@ static int submit_lookup_objects(struct msm_gem_submit *submit, pagefault_disable(); } - if (submit_bo.flags & ~MSM_SUBMIT_BO_FLAGS) { + if ((submit_bo.flags & ~MSM_SUBMIT_BO_FLAGS) || + !(submit_bo.flags & MSM_SUBMIT_BO_FLAGS)) { DRM_ERROR("invalid flags: %x\n", submit_bo.flags); ret = -EINVAL; goto out_unlock; -- cgit v1.2.3