From ceff1a3a852b15a7e73829d26e8c3b263cc5305b Mon Sep 17 00:00:00 2001
From: l30054665 <lishang21@huawei.com>
Date: Tue, 6 Feb 2024 15:05:15 +0800
Subject: [PATCH] change

Signed-off-by: l30054665 <lishang21@huawei.com>
---
 interfaces/ipc/src/dinput_sa_manager.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/interfaces/ipc/src/dinput_sa_manager.cpp b/interfaces/ipc/src/dinput_sa_manager.cpp
index fd2c5fa..0962957 100644
--- a/interfaces/ipc/src/dinput_sa_manager.cpp
+++ b/interfaces/ipc/src/dinput_sa_manager.cpp
@@ -320,19 +320,25 @@ int32_t DInputSAManager::RestoreRegisterListenerAndCallback()
 void DInputSAManager::AddSimEventListenerToCache(sptr<ISimulationEventListener> listener)
 {
     std::lock_guard<std::mutex> simEventListenerLock(simEventListenerCacheMtx_);
+    if (listener != nullptr) {
     simEventListenerCache_.insert(listener);
+    }
 }
 
 void DInputSAManager::RemoveSimEventListenerFromCache(sptr<ISimulationEventListener> listener)
 {
     std::lock_guard<std::mutex> simEventListenerLock(simEventListenerCacheMtx_);
+    if (listener != nullptr) {
     simEventListenerCache_.erase(listener);
+    }
 }
 
 void DInputSAManager::AddSessionStateCbToCache(sptr<ISessionStateCallback> callback)
 {
     std::lock_guard<std::mutex> sessionStateCbLock(sessionStateCbCacheMtx_);
+    if (callback != nullptr) {
     sessionStateCbCache_.insert(callback);
+    }
 }
 
 void DInputSAManager::RemoveSessionStateCbFromCache()