From bd1054f247c65579f7add148622caf3e2de2b8e7 Mon Sep 17 00:00:00 2001
From: mrkraimer <mrkraimer@comcast.net>
Date: Sat, 6 Mar 2021 14:14:39 -0500
Subject: [PATCH] Changes were to check for null pointer after calling lock on
 a weak pointer.

---
 src/pvAccess/channelLocal.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/pvAccess/channelLocal.cpp b/src/pvAccess/channelLocal.cpp
index 947d339..99acb7b 100644
--- a/src/pvAccess/channelLocal.cpp
+++ b/src/pvAccess/channelLocal.cpp
@@ -520,6 +520,7 @@ void ChannelPutLocal::put(
     ChannelPutRequester::shared_pointer requester = channelPutRequester.lock();
     if(!requester) return;
     ChannelLocalPtr channel(channelLocal.lock());
+    if(!channel) throw std::logic_error("channel is deleted");
     if(!channel->canWrite()) {
         Status status = Status::error("Channel put is not allowed");
         requester->putDone(status,getPtrSelf());
@@ -687,6 +688,7 @@ void ChannelPutGetLocal::putGet(
     ChannelPutGetRequester::shared_pointer requester = channelPutGetRequester.lock();
     if(!requester) return;
     ChannelLocalPtr channel(channelLocal.lock());
+    if(!channel) throw std::logic_error("channel is deleted");
     if(!channel->canWrite()) {
         Status status = Status::error("Channel putGet is not allowed");
         requester->putGetDone(status,getPtrSelf(),pvGetStructure,getBitSet);