222 	struct vb2_dc_attachment *attach;  in vb2_dc_dmabuf_ops_attach()  local
229 	attach = kzalloc(sizeof(*attach), GFP_KERNEL);  in vb2_dc_dmabuf_ops_attach()
230 	if (!attach)  in vb2_dc_dmabuf_ops_attach()
233 	sgt = &attach->sgt;  in vb2_dc_dmabuf_ops_attach()
239 		kfree(attach);  in vb2_dc_dmabuf_ops_attach()
251 	attach->dma_dir = DMA_NONE;  in vb2_dc_dmabuf_ops_attach()
252 	dbuf_attach->priv = attach;  in vb2_dc_dmabuf_ops_attach()
260 	struct vb2_dc_attachment *attach = db_attach->priv;  in vb2_dc_dmabuf_ops_detach()  local
263 	if (!attach)  in vb2_dc_dmabuf_ops_detach()
266 	sgt = &attach->sgt;  in vb2_dc_dmabuf_ops_detach()
269 	if (attach->dma_dir != DMA_NONE)  in vb2_dc_dmabuf_ops_detach()
276 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir,  in vb2_dc_dmabuf_ops_detach()
279 	kfree(attach);  in vb2_dc_dmabuf_ops_detach()
286 	struct vb2_dc_attachment *attach = db_attach->priv;  in vb2_dc_dmabuf_ops_map()  local
293 	sgt = &attach->sgt;  in vb2_dc_dmabuf_ops_map()
295 	if (attach->dma_dir == dma_dir) {  in vb2_dc_dmabuf_ops_map()
301 	if (attach->dma_dir != DMA_NONE) {  in vb2_dc_dmabuf_ops_map()
302 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir,  in vb2_dc_dmabuf_ops_map()
304 		attach->dma_dir = DMA_NONE;  in vb2_dc_dmabuf_ops_map()
318 	attach->dma_dir = dma_dir;  in vb2_dc_dmabuf_ops_map()
367 	.attach = vb2_dc_dmabuf_ops_attach,