Mercurial > hg > nginx

diff src/core/ngx_resolver.c @ 4515:8bb695c05870 stable-1.0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge of r4498: Fix of rbtree lookup on hash collisions. Previous code incorrectly assumed that nodes with identical keys are linked together. This might not be true after tree rebalance. Patch by Lanshun Zhou.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 05 Mar 2012 13:17:56 +0000
parents 79142134d616
children
line wrap: on
line diff
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -1626,20 +1626,15 @@ ngx_resolver_lookup_name(ngx_resolver_t 
 
         /* hash == node->key */
 
-        do {
-            rn = (ngx_resolver_node_t *) node;
-
-            rc = ngx_memn2cmp(name->data, rn->name, name->len, rn->nlen);
-
-            if (rc == 0) {
-                return rn;
-            }
-
-            node = (rc < 0) ? node->left : node->right;
-
-        } while (node != sentinel && hash == node->key);
-
-        break;
+        rn = (ngx_resolver_node_t *) node;
+
+        rc = ngx_memn2cmp(name->data, rn->name, name->len, rn->nlen);
+
+        if (rc == 0) {
+            return rn;
+        }
+
+        node = (rc < 0) ? node->left : node->right;
     }
 
     /* not found */