volume_id: update btrfs magic

diff --git a/extras/volume_id/lib/btrfs.c b/extras/volume_id/lib/btrfs.c
index a725c4d12f22895004cb188b8c192565e24acc9a..315abddae6c24f2f85f5e9ea8ee537f649410cad 100644 (file)
--- a/extras/volume_id/lib/btrfs.c
+++ b/extras/volume_id/lib/btrfs.c
@@ -81,7 +81,7 @@ int volume_id_probe_btrfs(struct volume_id *id, uint64_t off, uint64_t size)
        if (buf == NULL)
                return -1;
        bfs = (struct btrfs_super_block *)buf;
-       if (memcmp(bfs->magic, "_BDRfS_M", 8) != 0)
+       if (memcmp(bfs->magic, "_BFRfS_M", 8) != 0)
                return -1;
        volume_id_set_uuid(id, bfs->fsid, 0, UUID_DCE);
        volume_id_set_label_raw(id, bfs->label, 256);