122 	struct drm_prime_attachment *prime_attach;  in drm_gem_map_attach()  local
126 	prime_attach = kzalloc(sizeof(*prime_attach), GFP_KERNEL);  in drm_gem_map_attach()
127 	if (!prime_attach)  in drm_gem_map_attach()
130 	prime_attach->dir = DMA_NONE;  in drm_gem_map_attach()
131 	attach->priv = prime_attach;  in drm_gem_map_attach()
142 	struct drm_prime_attachment *prime_attach = attach->priv;  in drm_gem_map_detach()  local
150 	if (!prime_attach)  in drm_gem_map_detach()
153 	sgt = prime_attach->sgt;  in drm_gem_map_detach()
155 		if (prime_attach->dir != DMA_NONE)  in drm_gem_map_detach()
157 					prime_attach->dir);  in drm_gem_map_detach()
162 	kfree(prime_attach);  in drm_gem_map_detach()
183 	struct drm_prime_attachment *prime_attach = attach->priv;  in drm_gem_map_dma_buf()  local
187 	if (WARN_ON(dir == DMA_NONE || !prime_attach))  in drm_gem_map_dma_buf()
191 	if (prime_attach->dir == dir)  in drm_gem_map_dma_buf()
192 		return prime_attach->sgt;  in drm_gem_map_dma_buf()
198 	if (WARN_ON(prime_attach->dir != DMA_NONE))  in drm_gem_map_dma_buf()
209 			prime_attach->sgt = sgt;  in drm_gem_map_dma_buf()
210 			prime_attach->dir = dir;  in drm_gem_map_dma_buf()