[PATCH] round robin: optimize loop in ngx_http_upstream_init_round_robin()

[Xiaochen Wang]

# HG changeset patch
# User Xiaochen Wang <wangxiaoch...@gmail.com>
# Date 1382350832 -28800
# Node ID b61b9d7d665fffd49fb6711db4d018a6aeb26222
# Parent  fcecb9c6a0573f2edd48ff87cef69bd7e7523729
round robin: optimize loop in ngx_http_upstream_init_round_robin()

It is a trivial patch to move continue statement from inner loop to outer loop.

diff -r fcecb9c6a057 -r b61b9d7d665f src/http/ngx_http_upstream_round_robin.c
--- a/src/http/ngx_http_upstream_round_robin.c  Fri Oct 18 18:13:49 2013 +0400
+++ b/src/http/ngx_http_upstream_round_robin.c  Mon Oct 21 18:20:32 2013 +0800
@@ -71,11 +71,11 @@
         n = 0;

         for (i = 0; i < us->servers->nelts; i++) {
+            if (server[i].backup) {
+                continue;
+            }
+
             for (j = 0; j < server[i].naddrs; j++) {
-                if (server[i].backup) {
-                    continue;
-                }
-
                 peers->peer[n].sockaddr = server[i].addrs[j].sockaddr;
                 peers->peer[n].socklen = server[i].addrs[j].socklen;
                 peers->peer[n].name = server[i].addrs[j].name;
@@ -125,11 +125,11 @@
         n = 0;

         for (i = 0; i < us->servers->nelts; i++) {
+            if (!server[i].backup) {
+                continue;
+            }
+
             for (j = 0; j < server[i].naddrs; j++) {
-                if (!server[i].backup) {
-                    continue;
-                }
-
                 backup->peer[n].sockaddr = server[i].addrs[j].sockaddr;
                 backup->peer[n].socklen = server[i].addrs[j].socklen;
                 backup->peer[n].name = server[i].addrs[j].name;

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