diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index ee8c3944015a..580d40a5ee57 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1756,6 +1756,7 @@ xfs_alloc_buftarg(
 	return btp;
 
 error_free:
+	fs_put_dax(btp->bt_daxdev, mp);
 	kfree(btp);
 	return ERR_PTR(error);
 }