From: Ray Lv <xiangyulv@gmail.com>
Date: Wed, 26 Feb 2014 13:17:32 +0000 (+0800)
Subject: rgw: off-by-one in rgw_trim_whitespace()
X-Git-Tag: v0.78~104
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=195d53a7fc695ed954c85022fef6d2a18f68fe20;p=ceph.git

rgw: off-by-one in rgw_trim_whitespace()

Fixes: #7543
Backport: dumpling

Reviewed-by: Yehuda Sadeh <yehuda@inktank.com>
Signed-off-by: Ray Lv <raylv@yahoo-inc.com>
---

diff --git a/src/rgw/rgw_common.cc b/src/rgw/rgw_common.cc
index 50b0eaf32bf..e413a450953 100644
--- a/src/rgw/rgw_common.cc
+++ b/src/rgw/rgw_common.cc
@@ -793,7 +793,7 @@ string rgw_trim_whitespace(const string& src)
   }
 
   int end = src.size() - 1;
-  if (end <= start) {
+  if (end < start) {
     return string();
   }