diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 4b8d919..997f24a 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -8108,6 +8108,9 @@
 {
     ALOGV("RecordThread::getActiveMicrophones");
     AutoMutex _l(mLock);
+    if (mInput == nullptr || mInput->stream == nullptr) {
+        return NO_INIT;
+    }
     status_t status = mInput->stream->getActiveMicrophones(activeMicrophones);
     return status;
 }
@@ -8117,6 +8120,9 @@
 {
     ALOGV("setPreferredMicrophoneDirection(%d)", direction);
     AutoMutex _l(mLock);
+    if (mInput == nullptr || mInput->stream == nullptr) {
+        return NO_INIT;
+    }
     return mInput->stream->setPreferredMicrophoneDirection(direction);
 }
 
@@ -8124,6 +8130,9 @@
 {
     ALOGV("setPreferredMicrophoneFieldDimension(%f)", zoom);
     AutoMutex _l(mLock);
+    if (mInput == nullptr || mInput->stream == nullptr) {
+        return NO_INIT;
+    }
     return mInput->stream->setPreferredMicrophoneFieldDimension(zoom);
 }