dma_fence_check_and_signal
EXPORT_SYMBOL(dma_fence_check_and_signal);
if (dma_fence_check_and_signal(f)) {
ret = dma_fence_check_and_signal(ef);
return dma_fence_check_and_signal(fence) ? -EINVAL : 0;
bool dma_fence_check_and_signal(struct dma_fence *fence);