221 	struct vb2_dc_attachment *attach;  in vb2_dc_dmabuf_ops_attach()  local
228 	attach = kzalloc(sizeof(*attach), GFP_KERNEL);  in vb2_dc_dmabuf_ops_attach()
229 	if (!attach)  in vb2_dc_dmabuf_ops_attach()
232 	sgt = &attach->sgt;  in vb2_dc_dmabuf_ops_attach()
238 		kfree(attach);  in vb2_dc_dmabuf_ops_attach()
250 	attach->dma_dir = DMA_NONE;  in vb2_dc_dmabuf_ops_attach()
251 	dbuf_attach->priv = attach;  in vb2_dc_dmabuf_ops_attach()
259 	struct vb2_dc_attachment *attach = db_attach->priv;  in vb2_dc_dmabuf_ops_detach()  local
262 	if (!attach)  in vb2_dc_dmabuf_ops_detach()
265 	sgt = &attach->sgt;  in vb2_dc_dmabuf_ops_detach()
268 	if (attach->dma_dir != DMA_NONE)  in vb2_dc_dmabuf_ops_detach()
270 			attach->dma_dir);  in vb2_dc_dmabuf_ops_detach()
272 	kfree(attach);  in vb2_dc_dmabuf_ops_detach()
279 	struct vb2_dc_attachment *attach = db_attach->priv;  in vb2_dc_dmabuf_ops_map()  local
286 	sgt = &attach->sgt;  in vb2_dc_dmabuf_ops_map()
288 	if (attach->dma_dir == dma_dir) {  in vb2_dc_dmabuf_ops_map()
294 	if (attach->dma_dir != DMA_NONE) {  in vb2_dc_dmabuf_ops_map()
296 			attach->dma_dir);  in vb2_dc_dmabuf_ops_map()
297 		attach->dma_dir = DMA_NONE;  in vb2_dc_dmabuf_ops_map()
309 	attach->dma_dir = dma_dir;  in vb2_dc_dmabuf_ops_map()
349 	.attach = vb2_dc_dmabuf_ops_attach,