1 files changed, 5 insertions, 0 deletions

diff --git a/fs/fscache/object-list.c b/fs/fscache/object-list.c
index e1959efad64f..b5ebc2d7d80d 100644
--- a/fs/fscache/object-list.c
+++ b/fs/fscache/object-list.c
@@ -50,6 +50,8 @@ void fscache_objlist_add(struct fscache_object *obj)
         struct fscache_object *xobj;
         struct rb_node **p = &fscache_object_list.rb_node, *parent = NULL;
 
+        ASSERT(RB_EMPTY_NODE(&obj->objlist_link));
+
         write_lock(&fscache_object_list_lock);
 
         while (*p) {
@@ -75,6 +77,9 @@ void fscache_objlist_add(struct fscache_object *obj)
  */
 void fscache_objlist_remove(struct fscache_object *obj)
 {
+        if (RB_EMPTY_NODE(&obj->objlist_link))
+                return;
+
         write_lock(&fscache_object_list_lock);
 
         BUG_ON(RB_EMPTY_ROOT(&fscache_object_list));