From: guozhandong <18896723979@139.com>
Date: Tue, 15 Nov 2016 09:03:14 +0000 (+0800)
Subject: rgw: skip empty http args in method parse() to avoid extra effort
X-Git-Tag: v11.1.0~214^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=5a1212eb124c2daa1aeea6aac0a4e3e75c9cdda6;p=ceph.git

rgw: skip empty http args in method parse() to avoid extra effort

Signed-off-by: Guo Zhandong <guozhandong@cmss.chinamobile.com>
---

diff --git a/src/rgw/rgw_common.cc b/src/rgw/rgw_common.cc
index 9aa6f3c4d7d..36ddf9b5ca4 100644
--- a/src/rgw/rgw_common.cc
+++ b/src/rgw/rgw_common.cc
@@ -733,7 +733,12 @@ int RGWHTTPArgs::parse()
 {
   int pos = 0;
   bool end = false;
-  if (str[pos] == '?') pos++;
+
+  if (str.empty())
+    return 0;
+
+  if (str[pos] == '?')
+    pos++;
 
   while (!end) {
     int fpos = str.find('&', pos);