lib/radix-tree.c: swapoff tmpfs radix_tree: remember to rcu_read_unlock

[deliverable/linux.git] / lib / radix-tree.c

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 7811ed3b4e701c2e0d82368a8bae457279ca3246..bd4a8dfdf0b8052cdaedd0b3478eea4138ac100a 100644 (file)
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -1253,8 +1253,10 @@ unsigned long radix_tree_locate_item(struct radix_tree_root *root, void *item)
 
                node = indirect_to_ptr(node);
                max_index = radix_tree_maxindex(node->height);
-               if (cur_index > max_index)
+               if (cur_index > max_index) {
+                       rcu_read_unlock();
                        break;
+               }
 
                cur_index = __locate(node, item, cur_index, &found_index);
                rcu_read_unlock();