camera2/3: Add protection to callback processing call

Callback stream in callbackprocessor could be delleted while process or
discard callback are ongoing, which leads CpuConsumer related call crash.

Bug 9303911

Change-Id: Ib6137e512208e5603468eba166640729b744e8f9

parent 254446a8

services/camera/libcameraservice/camera2/CallbackProcessor.cpp

+7 −0

Original line number	Diff line number	Diff line
		@@ -182,6 +182,13 @@ bool CallbackProcessor::threadLoop() {
		}

		do {
		Mutex::Autolock l(mInputMutex);
		if (mCallbackStreamId == NO_STREAM) {
		ALOGV("%s: Camera %d:No stream is available"
		, __FUNCTION__, mId);
		break;
		}

		sp<Camera2Client> client = mClient.promote();
		if (client == 0) {
		res = discardNewCallback();