]> git.openfabrics.org - ~shefty/rdma-dev.git/blobdiff - lib/radix-tree.c
radix-tree: fix radix_tree_prev_hole() underflow case
[~shefty/rdma-dev.git] / lib / radix-tree.c
index 2a087e0f98633cf00724ef0ef7b411d9f60b609e..05da38bcc2986c296726981483b05dfc5b12109e 100644 (file)
@@ -656,7 +656,7 @@ EXPORT_SYMBOL(radix_tree_next_hole);
  *
  *     Returns: the index of the hole if found, otherwise returns an index
  *     outside of the set specified (in which case 'index - return >= max_scan'
- *     will be true). In rare cases of wrap-around, LONG_MAX will be returned.
+ *     will be true). In rare cases of wrap-around, ULONG_MAX will be returned.
  *
  *     radix_tree_next_hole may be called under rcu_read_lock. However, like
  *     radix_tree_gang_lookup, this will not atomically search a snapshot of
@@ -674,7 +674,7 @@ unsigned long radix_tree_prev_hole(struct radix_tree_root *root,
                if (!radix_tree_lookup(root, index))
                        break;
                index--;
-               if (index == LONG_MAX)
+               if (index == ULONG_MAX)
                        break;
        }