diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index b8ec009e088f..892c04365239 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -973,6 +973,12 @@ static int wait_fence(struct msm_gpu_submitqueue *queue, uint32_t fence_id, struct dma_fence *fence; int ret; + if (fence_id > queue->last_fence) { + DRM_ERROR_RATELIMITED("waiting on invalid fence: %u (of %u)\n", + fence_id, queue->last_fence); + return -EINVAL; + } + /* * Map submitqueue scoped "seqno" (which is actually an idr key) * back to underlying dma-fence |