Clear link pointer on dequeue

2011-01-02 11:44:31 -05:00 · 2011-01-02 11:44:31 -05:00 · e7fa9b1642
parent 6d01ea359a
commit e7fa9b1642
1 changed files with 1 additions and 0 deletions
--- a/dataq.c
+++ b/dataq.c
@ -24,6 +24,7 @@ void *dequeue(queue_t *q) {
  } else {
    void *x = q->head;
    q->head = QLINK(q, x);
+    QLINK(q, x) = NULL;
    if (q->head == NULL) {
      q->tail = NULL;
    }