drm: allow multiple addMaps with the same 32-bit map offsset. (e08870c8) · Commits · e / devices / android_kernel_teracube_2e

drivers/char/drm/drm_bufs.c

+8 −6

Original line number	Diff line number	Diff line
		@@ -77,14 +77,16 @@ static int drm_map_handle(drm_device_t dev, drm_hash_item_t hash,
		#error Unsupported long size. Neither 64 nor 32 bits.
		#endif

		if (use_hashed_handle) {
		if (!use_hashed_handle) {
		int ret;
		hash->key = user_token;
		ret = drm_ht_insert_item(&dev->map_hash, hash);
		if (ret != -EINVAL)
		return ret;
		}
		return drm_ht_just_insert_please(&dev->map_hash, hash,
		user_token, 32 - PAGE_SHIFT - 3,
		PAGE_SHIFT, DRM_MAP_HASH_OFFSET);
		} else {
		hash->key = user_token;
		return drm_ht_insert_item(&dev->map_hash, hash);
		}
		}

		/**