From: Jianpeng Ma <jianpeng.ma@intel.com>
Date: Wed, 21 Jan 2015 08:00:08 +0000 (+0800)
Subject: bufferptr: add judgement in set_length() to make don't beyond the raw_length().
X-Git-Tag: v9.0.1~36^2~3
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=ed709884397f22df38d618df587639317f1dbcfe;p=ceph.git

bufferptr: add judgement in set_length() to make don't beyond the raw_length().

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
---

diff --git a/src/include/buffer.h b/src/include/buffer.h
index d243d6e0535..cf744b042d1 100644
--- a/src/include/buffer.h
+++ b/src/include/buffer.h
@@ -237,7 +237,10 @@ public:
 
     // modifiers
     void set_offset(unsigned o) { _off = o; }
-    void set_length(unsigned l) { _len = l; }
+    void set_length(unsigned l) {
+      assert(raw_length() >= l);
+      _len = l;
+    }
 
     void append(char c);
     void append(const char *p, unsigned l);