From: Jianpeng Ma <jianpeng.ma@intel.com>
Date: Fri, 20 Oct 2017 11:29:57 +0000 (+0800)
Subject: librbd: avoid return usless AioCompletion if "r < numcomp".
X-Git-Tag: v13.0.1~387^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=0479ca2eeab6ef4ced7fb956e563046c35817bd2;p=ceph.git

librbd: avoid return usless AioCompletion if "r < numcomp".

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

diff --git a/src/librbd/librbd.cc b/src/librbd/librbd.cc
index 999ac25233aa..ca936b6440f7 100644
--- a/src/librbd/librbd.cc
+++ b/src/librbd/librbd.cc
@@ -1809,7 +1809,7 @@ namespace librbd {
     int r = librbd::poll_io_events(ictx, cs, numcomp);
     tracepoint(librbd, poll_io_events_exit, r);
     if (r > 0) {
-      for (int i = 0; i < numcomp; ++i)
+      for (int i = 0; i < r; ++i)
         comps[i] = (RBD::AioCompletion *)cs[i]->rbd_comp;
     }
     return r;