225 bool nd_btt_arena_is_valid(struct nd_btt *nd_btt, struct btt_sb *super)  in nd_btt_arena_is_valid()
252 		struct nd_namespace_common *ndns, struct btt_sb *btt_sb)  in __nd_btt_probe()  argument
254 	if (!btt_sb || !ndns || !nd_btt)  in __nd_btt_probe()
257 	if (nvdimm_read_bytes(ndns, SZ_4K, btt_sb, sizeof(*btt_sb)))  in __nd_btt_probe()
263 	if (!nd_btt_arena_is_valid(nd_btt, btt_sb))  in __nd_btt_probe()
266 	nd_btt->lbasize = le32_to_cpu(btt_sb->external_lbasize);  in __nd_btt_probe()
267 	nd_btt->uuid = kmemdup(btt_sb->uuid, 16, GFP_KERNEL);  in __nd_btt_probe()
280 	struct btt_sb *btt_sb;  in nd_btt_probe()  local
292 	btt_sb = kzalloc(sizeof(*btt_sb), GFP_KERNEL);  in nd_btt_probe()
293 	rc = __nd_btt_probe(to_nd_btt(dev), ndns, btt_sb);  in nd_btt_probe()
294 	kfree(btt_sb);  in nd_btt_probe()