diff options
Diffstat (limited to 'lib/rbtree.c')
-rw-r--r-- | lib/rbtree.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/lib/rbtree.c b/lib/rbtree.c index f653659e0bc1..e2aa3be29858 100644 --- a/lib/rbtree.c +++ b/lib/rbtree.c | |||
@@ -231,34 +231,34 @@ void rb_erase(struct rb_node *node, struct rb_root *root) | |||
231 | node = node->rb_right; | 231 | node = node->rb_right; |
232 | while ((left = node->rb_left) != NULL) | 232 | while ((left = node->rb_left) != NULL) |
233 | node = left; | 233 | node = left; |
234 | |||
235 | if (rb_parent(old)) { | ||
236 | if (rb_parent(old)->rb_left == old) | ||
237 | rb_parent(old)->rb_left = node; | ||
238 | else | ||
239 | rb_parent(old)->rb_right = node; | ||
240 | } else | ||
241 | root->rb_node = node; | ||
242 | |||
234 | child = node->rb_right; | 243 | child = node->rb_right; |
235 | parent = rb_parent(node); | 244 | parent = rb_parent(node); |
236 | color = rb_color(node); | 245 | color = rb_color(node); |
237 | 246 | ||
238 | if (child) | ||
239 | rb_set_parent(child, parent); | ||
240 | if (parent == old) { | 247 | if (parent == old) { |
241 | parent->rb_right = child; | ||
242 | parent = node; | 248 | parent = node; |
243 | } else | 249 | } else { |
250 | if (child) | ||
251 | rb_set_parent(child, parent); | ||
244 | parent->rb_left = child; | 252 | parent->rb_left = child; |
245 | 253 | ||
254 | node->rb_right = old->rb_right; | ||
255 | rb_set_parent(old->rb_right, node); | ||
256 | } | ||
257 | |||
246 | node->rb_parent_color = old->rb_parent_color; | 258 | node->rb_parent_color = old->rb_parent_color; |
247 | node->rb_right = old->rb_right; | ||
248 | node->rb_left = old->rb_left; | 259 | node->rb_left = old->rb_left; |
249 | |||
250 | if (rb_parent(old)) | ||
251 | { | ||
252 | if (rb_parent(old)->rb_left == old) | ||
253 | rb_parent(old)->rb_left = node; | ||
254 | else | ||
255 | rb_parent(old)->rb_right = node; | ||
256 | } else | ||
257 | root->rb_node = node; | ||
258 | |||
259 | rb_set_parent(old->rb_left, node); | 260 | rb_set_parent(old->rb_left, node); |
260 | if (old->rb_right) | 261 | |
261 | rb_set_parent(old->rb_right, node); | ||
262 | goto color; | 262 | goto color; |
263 | } | 263 | } |
264 | 264 | ||