clean up fix_iterator() arguments

the value passed as 'start' was redundant; it's always the same
as the current top of the iterator stack.

diff --git a/lib/dns/qp.c b/lib/dns/qp.c
index e381b7c324a27e2f9c5a31a88101a15bc2bba47c..047338faa4f2cf2ebf06f9fe1081781440f2163f 100644 (file)
--- a/lib/dns/qp.c
+++ b/lib/dns/qp.c
@@ -2100,12 +2100,11 @@ anyleaf(dns_qpreader_t *qp, dns_qpnode_t *n) {
  *     the predecessor.
  */
 static dns_qpnode_t *
-fix_iterator(dns_qpreader_t *qp, dns_qpiter_t *iter, dns_qpnode_t *start,
-            dns_qpkey_t search, size_t searchlen, dns_qpshift_t bit,
-            size_t offset) {
+fix_iterator(dns_qpreader_t *qp, dns_qpiter_t *iter, dns_qpkey_t search,
+            size_t searchlen, dns_qpshift_t bit, size_t offset) {
        dns_qpkey_t found;
        size_t foundlen, to;
-       dns_qpnode_t *n = start;
+       dns_qpnode_t *n = iter->stack[iter->sp];
        dns_qpnode_t *leaf = anyleaf(qp, n);
 
        foundlen = leaf_qpkey(qp, leaf, found);
@@ -2318,7 +2317,7 @@ dns_qp_lookup(dns_qpreadable_t qpr, const dns_name_t *name,
                         * for the predecessor of the searched-for-name;
                         * that will break the loop.
                         */
-                       n = fix_iterator(qp, iter, n, search, searchlen, bit,
+                       n = fix_iterator(qp, iter, search, searchlen, bit,
                                         offset);
                        iter->stack[iter->sp--] = NULL;
                } else {
@@ -2346,7 +2345,7 @@ dns_qp_lookup(dns_qpreadable_t qpr, const dns_name_t *name,
                 * and if the caller passed us an iterator,
                 * then we might need to reposition it.
                 */
-               n = fix_iterator(qp, iter, n, search, searchlen, bit, offset);
+               n = fix_iterator(qp, iter, search, searchlen, bit, offset);
        }
 
        /* do the keys differ, and if so, where? */