173 	struct drm_prime_attachment *prime_attach;  in drm_gem_map_attach()  local
177 	prime_attach = kzalloc(sizeof(*prime_attach), GFP_KERNEL);  in drm_gem_map_attach()
178 	if (!prime_attach)  in drm_gem_map_attach()
181 	prime_attach->dir = DMA_NONE;  in drm_gem_map_attach()
182 	attach->priv = prime_attach;  in drm_gem_map_attach()
193 	struct drm_prime_attachment *prime_attach = attach->priv;  in drm_gem_map_detach()  local
201 	if (!prime_attach)  in drm_gem_map_detach()
204 	sgt = prime_attach->sgt;  in drm_gem_map_detach()
206 		if (prime_attach->dir != DMA_NONE)  in drm_gem_map_detach()
208 					prime_attach->dir);  in drm_gem_map_detach()
213 	kfree(prime_attach);  in drm_gem_map_detach()
245 	struct drm_prime_attachment *prime_attach = attach->priv;  in drm_gem_map_dma_buf()  local
249 	if (WARN_ON(dir == DMA_NONE || !prime_attach))  in drm_gem_map_dma_buf()
253 	if (prime_attach->dir == dir)  in drm_gem_map_dma_buf()
254 		return prime_attach->sgt;  in drm_gem_map_dma_buf()
260 	if (WARN_ON(prime_attach->dir != DMA_NONE))  in drm_gem_map_dma_buf()
271 			prime_attach->sgt = sgt;  in drm_gem_map_dma_buf()
272 			prime_attach->dir = dir;  in drm_gem_map_dma_buf()