240 	struct vb2_dc_attachment *attach;  in vb2_dc_dmabuf_ops_attach()  local
247 	attach = kzalloc(sizeof(*attach), GFP_KERNEL);  in vb2_dc_dmabuf_ops_attach()
248 	if (!attach)  in vb2_dc_dmabuf_ops_attach()
251 	sgt = &attach->sgt;  in vb2_dc_dmabuf_ops_attach()
257 		kfree(attach);  in vb2_dc_dmabuf_ops_attach()
269 	attach->dma_dir = DMA_NONE;  in vb2_dc_dmabuf_ops_attach()
270 	dbuf_attach->priv = attach;  in vb2_dc_dmabuf_ops_attach()
278 	struct vb2_dc_attachment *attach = db_attach->priv;  in vb2_dc_dmabuf_ops_detach()  local
281 	if (!attach)  in vb2_dc_dmabuf_ops_detach()
284 	sgt = &attach->sgt;  in vb2_dc_dmabuf_ops_detach()
287 	if (attach->dma_dir != DMA_NONE)  in vb2_dc_dmabuf_ops_detach()
289 			attach->dma_dir);  in vb2_dc_dmabuf_ops_detach()
291 	kfree(attach);  in vb2_dc_dmabuf_ops_detach()
298 	struct vb2_dc_attachment *attach = db_attach->priv;  in vb2_dc_dmabuf_ops_map()  local
306 	sgt = &attach->sgt;  in vb2_dc_dmabuf_ops_map()
308 	if (attach->dma_dir == dma_dir) {  in vb2_dc_dmabuf_ops_map()
314 	if (attach->dma_dir != DMA_NONE) {  in vb2_dc_dmabuf_ops_map()
316 			attach->dma_dir);  in vb2_dc_dmabuf_ops_map()
317 		attach->dma_dir = DMA_NONE;  in vb2_dc_dmabuf_ops_map()
328 	attach->dma_dir = dma_dir;  in vb2_dc_dmabuf_ops_map()
368 	.attach = vb2_dc_dmabuf_ops_attach,