From: Gu Zhongyan <guzhongyan@360.cn>
Date: Tue, 24 Jan 2017 06:39:58 +0000 (+0800)
Subject: librbd: fix wrongly initialized variable.
X-Git-Tag: v12.0.0~44^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=074ed7a79a35f10712ceee09f3120e0c42ac5e09;p=ceph.git

librbd: fix wrongly initialized variable.

end_size as an initialized value made us confused.

Signed-off-by: Gu Zhongyan <guzhongyan@360.cn>
---

diff --git a/src/librbd/DiffIterate.cc b/src/librbd/DiffIterate.cc
index c3b9511330aa..57a847f20b2f 100644
--- a/src/librbd/DiffIterate.cc
+++ b/src/librbd/DiffIterate.cc
@@ -263,7 +263,7 @@ int DiffIterate::execute() {
   if (m_include_parent && from_snap_id == 0) {
     RWLock::RLocker l(m_image_ctx.snap_lock);
     RWLock::RLocker l2(m_image_ctx.parent_lock);
-    uint64_t overlap = end_size;
+    uint64_t overlap = 0;
     m_image_ctx.get_parent_overlap(m_image_ctx.snap_id, &overlap);
     r = 0;
     if (m_image_ctx.parent && overlap > 0) {