diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/interval-tree.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/util/interval-tree.c b/util/interval-tree.c index 4c0baf108f..5a0ad21b2d 100644 --- a/util/interval-tree.c +++ b/util/interval-tree.c @@ -745,8 +745,9 @@ static IntervalTreeNode *interval_tree_subtree_search(IntervalTreeNode *node, * Loop invariant: start <= node->subtree_last * (Cond2 is satisfied by one of the subtree nodes) */ - if (node->rb.rb_left) { - IntervalTreeNode *left = rb_to_itree(node->rb.rb_left); + RBNode *tmp = qatomic_read(&node->rb.rb_left); + if (tmp) { + IntervalTreeNode *left = rb_to_itree(tmp); if (start <= left->subtree_last) { /* @@ -765,8 +766,9 @@ static IntervalTreeNode *interval_tree_subtree_search(IntervalTreeNode *node, if (start <= node->last) { /* Cond2 */ return node; /* node is leftmost match */ } - if (node->rb.rb_right) { - node = rb_to_itree(node->rb.rb_right); + tmp = qatomic_read(&node->rb.rb_right); + if (tmp) { + node = rb_to_itree(tmp); if (start <= node->subtree_last) { continue; } @@ -814,8 +816,9 @@ IntervalTreeNode *interval_tree_iter_first(IntervalTreeRoot *root, IntervalTreeNode *interval_tree_iter_next(IntervalTreeNode *node, uint64_t start, uint64_t last) { - RBNode *rb = node->rb.rb_right, *prev; + RBNode *rb, *prev; + rb = qatomic_read(&node->rb.rb_right); while (true) { /* * Loop invariants: @@ -840,7 +843,7 @@ IntervalTreeNode *interval_tree_iter_next(IntervalTreeNode *node, } prev = &node->rb; node = rb_to_itree(rb); - rb = node->rb.rb_right; + rb = qatomic_read(&node->rb.rb_right); } while (prev == rb); /* Check if the node intersects [start;last] */ |