diff --git a/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystem.java b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystem.java
index b3aa351..70993ca 100644
--- a/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystem.java
+++ b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystem.java
@@ -201,7 +201,8 @@
         if (WAKE_ON_HOTPLUG && connected) {
             mService.wakeUp();
         }
-        if (mService.getPortInfo(portId).getType() == HdmiPortInfo.PORT_OUTPUT) {
+        HdmiPortInfo portInfo = mService.getPortInfo(portId);
+        if (portInfo != null && portInfo.getType() == HdmiPortInfo.PORT_OUTPUT) {
             mCecMessageCache.flushAll();
             if (!connected) {
                 if (isSystemAudioActivated()) {
diff --git a/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceSource.java b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceSource.java
index 7e8a2cc..29303aa 100644
--- a/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceSource.java
+++ b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceSource.java
@@ -92,7 +92,8 @@
     @ServiceThreadOnly
     void onHotplug(int portId, boolean connected) {
         assertRunOnServiceThread();
-        if (mService.getPortInfo(portId).getType() == HdmiPortInfo.PORT_OUTPUT) {
+        HdmiPortInfo portInfo = mService.getPortInfo(portId);
+        if (portInfo != null && portInfo.getType() == HdmiPortInfo.PORT_OUTPUT) {
             mCecMessageCache.flushAll();
         }
         // We'll not invalidate the active source on the hotplug event to pass CETC 11.2.2-2 ~ 3.
diff --git a/services/core/java/com/android/server/hdmi/HdmiControlService.java b/services/core/java/com/android/server/hdmi/HdmiControlService.java
index b3926fd..9253706 100644
--- a/services/core/java/com/android/server/hdmi/HdmiControlService.java
+++ b/services/core/java/com/android/server/hdmi/HdmiControlService.java
@@ -1783,8 +1783,9 @@
         // initPortInfo at hotplug event.
         mHdmiCecNetwork.initPortInfo();
 
+        HdmiPortInfo portInfo = getPortInfo(portId);
         if (connected && !isTvDevice()
-                && getPortInfo(portId).getType() == HdmiPortInfo.PORT_OUTPUT) {
+                && portInfo != null && portInfo.getType() == HdmiPortInfo.PORT_OUTPUT) {
             ArrayList<HdmiCecLocalDevice> localDevices = new ArrayList<>();
             for (int type : getCecLocalDeviceTypes()) {
                 HdmiCecLocalDevice localDevice = mHdmiCecNetwork.getLocalDevice(type);
diff --git a/services/tests/servicestests/src/com/android/server/hdmi/HdmiControlServiceTest.java b/services/tests/servicestests/src/com/android/server/hdmi/HdmiControlServiceTest.java
index 708ee35..99fa30c 100644
--- a/services/tests/servicestests/src/com/android/server/hdmi/HdmiControlServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/hdmi/HdmiControlServiceTest.java
@@ -1706,6 +1706,15 @@
         verify(mHdmiControlServiceSpy, times(1)).startArcAction(eq(false), any());
     }
 
+    @Test
+    public void onHotplugIn_invalidPortId_noAddressAllocation() {
+        mHdmiControlServiceSpy.onHotplug(-1, true);
+        mTestLooper.dispatchAll();
+
+        verify(mHdmiControlServiceSpy, times(0))
+                .allocateLogicalAddress(any(), eq(INITIATED_BY_HOTPLUG));
+    }
+
     protected static class MockPlaybackDevice extends HdmiCecLocalDevicePlayback {
 
         private boolean mCanGoToStandby;