auto_zoom: check nullptr correctly

Check nullptr correctly for each node.

This patch will fix a coverity issue, CID-1789481.
Ps. I will post other patch later, which will hide relevant exception code
into task manger.

Change-Id: I077269a73b4f03b5fbe66541e9705d5a92013085
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/services/auto_zoom/src/AutoZoom.cpp b/services/auto_zoom/src/AutoZoom.cpp
index 73731752e372a160c882c5b2c18d9cbf75bae124..729c767b25f331f2364a43e8e28c2e16d3a81b8f 100644 (file)
--- a/services/auto_zoom/src/AutoZoom.cpp
+++ b/services/auto_zoom/src/AutoZoom.cpp
@@ -114,13 +114,22 @@ AutoZoom::AutoZoom()
        _taskManager = make_unique<TaskManager>();
 
        auto face_detection_node = _taskManager->requestNewNode(NodeType::INFERENCE, "face_detection");
+       if (dynamic_cast<InferenceNode *>(face_detection_node) == nullptr)
+               throw InvalidOperation("Invalid inference node.");
+
        dynamic_cast<InferenceNode *>(face_detection_node)->setInferenceTask(factory->createFaceDetection());
 
        auto bridge_node = _taskManager->requestNewNode(NodeType::BRIDGE, "bridge_node");
-       bridge_node->addDependency(face_detection_node);
+       if (dynamic_cast<BridgeNode *>(bridge_node) == nullptr)
+               throw InvalidOperation("Invalid bridge node.");
+
        dynamic_cast<BridgeNode *>(bridge_node)->setCb(BridgeNodeCallback);
+       bridge_node->addDependency(face_detection_node);
 
        auto face_recognition_node = _taskManager->requestNewNode(NodeType::INFERENCE, "face_recognition_node");
+       if (dynamic_cast<InferenceNode *>(face_recognition_node) == nullptr)
+               throw InvalidOperation("Invalid inference node.");
+
        dynamic_cast<InferenceNode *>(face_recognition_node)->setInferenceTask(factory->createFaceRecognition());
        face_recognition_node->addDependency(bridge_node);