From: Inki Dae <inki.dae@samsung.com>
Date: Wed, 13 May 2020 07:04:55 +0000 (+0900)
Subject: Handle exception cases to BindBackend
X-Git-Tag: submit/tizen/20200602.011936~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F36%2F233236%2F3;p=platform%2Fcore%2Fmultimedia%2Finference-engine-interface.git

Handle exception cases to BindBackend

This patch handles below two exception cases properly,
	 - A case that user calls BindBackend second time.
	 - A case that user calls BIndBackend with null parameter.

Change-Id: Ia104226b81b5fcb56fe0111a5d74f27ec4d0ed01
Signed-off-by: Inki Dae <inki.dae@samsung.com>
---

diff --git a/src/inference_engine_common_impl.cpp b/src/inference_engine_common_impl.cpp
index b6707e2..8ef900d 100755
--- a/src/inference_engine_common_impl.cpp
+++ b/src/inference_engine_common_impl.cpp
@@ -203,6 +203,16 @@ int InferenceEngineCommon::BindBackend(inference_engine_config *config)
 {
     LOGI("ENTER");
 
+	if (mBackendHandle) {
+		LOGE("Already backend engine has been initialized.");
+		return INFERENCE_ENGINE_ERROR_INVALID_OPERATION;
+	}
+
+	if (config == nullptr) {
+		LOGE("config object is invalid.");
+		return INFERENCE_ENGINE_ERROR_INVALID_PARAMETER;
+	}
+
 	if (mUseProfiler == true) {
 		// Memory usage will be measured between BindBackend ~ UnbindBackend callbacks.
 		mProfiler->Start(IE_PROFILER_MEMORY);