Merge "codec2: BufferPoolClient: fix NPE in fetchBufferHandle if connection is null" into main am: c818adc8d4

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3222209

Change-Id: I92a78610de73a54bdda14ee447b46bd43a2af659
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/media/bufferpool/aidl/default/BufferPoolClient.cpp b/media/bufferpool/aidl/default/BufferPoolClient.cpp
index ce4ad8e..b61893f 100644
--- a/media/bufferpool/aidl/default/BufferPoolClient.cpp
+++ b/media/bufferpool/aidl/default/BufferPoolClient.cpp
@@ -748,6 +748,10 @@
     } else {
         connection = mRemoteConnection;
     }
+    if (!connection) {
+        ALOGE("connection null: fetchBufferHandle()");
+        return ResultStatus::CRITICAL_ERROR;
+    }
     std::vector<FetchInfo> infos;
     std::vector<FetchResult> results;
     infos.emplace_back(FetchInfo{ToAidl(transactionId), ToAidl(bufferId)});