diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index 14ea6797bf492efd6188a01606946f63d0fbe7f8..67d932d707984cffd3f6d502fed36c307ad4c113 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -1195,14 +1195,12 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new)
 
 	map = em->map_lookup;
 
-	cache->physical_map = kmalloc(map_lookup_size(map->num_stripes), GFP_NOFS);
+	cache->physical_map = kmemdup(map, map_lookup_size(map->num_stripes), GFP_NOFS);
 	if (!cache->physical_map) {
 		ret = -ENOMEM;
 		goto out;
 	}
 
-	memcpy(cache->physical_map, map, map_lookup_size(map->num_stripes));
-
 	alloc_offsets = kcalloc(map->num_stripes, sizeof(*alloc_offsets), GFP_NOFS);
 	if (!alloc_offsets) {
 		ret = -ENOMEM;