1 files changed, 1 insertions, 3 deletions

diff --git a/fs/btrfs/ulist.c b/fs/btrfs/ulist.c
index b0a523b2c60e..35f5de9dd498 100644
--- a/fs/btrfs/ulist.c
+++ b/fs/btrfs/ulist.c
@@ -207,9 +207,6 @@ int ulist_add_merge(struct ulist *ulist, u64 val, u64 aux,
                 void *old = NULL;
                 int i;
 
-                for (i = 0; i < ulist->nnodes; i++)
-                        rb_erase(&ulist->nodes[i].rb_node, &ulist->root);
-
                 /*
                  * if nodes_alloced == ULIST_SIZE no memory has been allocated
                  * yet, so pass NULL to krealloc
@@ -234,6 +231,7 @@ int ulist_add_merge(struct ulist *ulist, u64 val, u64 aux,
                  * pointers, so we have to do it ourselves.  Otherwise we may
                  * be bitten by crashes.
                  */
+                ulist->root = RB_ROOT;
                 for (i = 0; i < ulist->nnodes; i++) {
                         ret = ulist_rbtree_insert(ulist, &ulist->nodes[i]);
                         if (ret < 0)