string: factorize skip_spaces and export it to be generally available

[safe/jmp/linux-2.6] / lib / rbtree.c

diff --git a/lib/rbtree.c b/lib/rbtree.c
index 0455685..e2aa3be 100644 (file)
--- a/lib/rbtree.c
+++ b/lib/rbtree.c
@@ -244,21 +244,21 @@ void rb_erase(struct rb_node *node, struct rb_root *root)
                parent = rb_parent(node);
                color = rb_color(node);
 
-               if (child)
-                       rb_set_parent(child, parent);
                if (parent == old) {
-                       parent->rb_right = child;
                        parent = node;
-               } else
+               } else {
+                       if (child)
+                               rb_set_parent(child, parent);
                        parent->rb_left = child;
 
+                       node->rb_right = old->rb_right;
+                       rb_set_parent(old->rb_right, node);
+               }
+
                node->rb_parent_color = old->rb_parent_color;
-               node->rb_right = old->rb_right;
                node->rb_left = old->rb_left;
-
                rb_set_parent(old->rb_left, node);
-               if (old->rb_right)
-                       rb_set_parent(old->rb_right, node);
+
                goto color;
        }