From 5ab9a48599ea6bcf2fdf9b59a91791b74da3f810 Mon Sep 17 00:00:00 2001
From: Isaac Connor <isaac@zoneminder.com>
Date: Sat, 17 Apr 2021 11:35:41 -0400
Subject: [PATCH] Don't grab lock in increment_it if we are deleting cuz we
 will hang

---
 src/zm_packetqueue.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/zm_packetqueue.cpp b/src/zm_packetqueue.cpp
index 91629c9fd..c5c197e63 100644
--- a/src/zm_packetqueue.cpp
+++ b/src/zm_packetqueue.cpp
@@ -577,7 +577,7 @@ void PacketQueue::unlock(ZMLockedPacket *lp) {
 
 bool PacketQueue::increment_it(packetqueue_iterator *it) {
   Debug(2, "Incrementing %p, queue size %d, end? %d", it, pktQueue.size(), ((*it) == pktQueue.end()));
-  if ((*it) == pktQueue.end()) {
+  if ((*it) == pktQueue.end() or deleting) {
     return false;
   }
   std::unique_lock<std::mutex> lck(mutex);