From: Zhi Zhang <zhangz.david@outlook.com>
Date: Wed, 18 Nov 2015 10:28:12 +0000 (+0800)
Subject: Cephfs will crash if enabling async msg because of an assertion
X-Git-Tag: v10.0.1~49^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F6640%2Fhead;p=ceph.git

Cephfs will crash if enabling async msg because of an assertion

Signed-off-by: Zhi Zhang <zhangz.david@outlook.com>
---

diff --git a/src/msg/async/Event.cc b/src/msg/async/Event.cc
index 03119dec5c97..2027a9f415fb 100644
--- a/src/msg/async/Event.cc
+++ b/src/msg/async/Event.cc
@@ -179,7 +179,7 @@ int EventCenter::create_file_event(int fd, int mask, EventCallbackRef ctxt)
 
 void EventCenter::delete_file_event(int fd, int mask)
 {
-  assert(fd > 0);
+  assert(fd >= 0);
   Mutex::Locker l(file_lock);
   if (fd > nevent) {
     ldout(cct, 1) << __func__ << " delete event fd=" << fd << " exceed nevent=" << nevent