android: CameraHalManager: Hold CameraManager with std::unique_ptr

CameraManager is owned by CameraHalManager. The ownership of the
object is not shared with other classes. So CameraHalManager
should manage CameraManager with std::unique_ptr.

Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

2 files changed, 5 insertions, 12 deletions

diff --git a/src/android/camera_hal_manager.cpp b/src/android/camera_hal_manager.cpp
index 79c5169e..49bb359e 100644
--- a/src/android/camera_hal_manager.cpp
+++ b/src/android/camera_hal_manager.cpp
@@ -34,18 +34,12 @@ CameraHalManager::CameraHalManager()
 {
 }
 
-CameraHalManager::~CameraHalManager()
-{
-	if (cameraManager_) {
-		cameraManager_->stop();
-		delete cameraManager_;
-		cameraManager_ = nullptr;
-	}
-}
+/* CameraManager calls stop() in the destructor. */
+CameraHalManager::~CameraHalManager() = default;
 
 int CameraHalManager::init()
 {
-	cameraManager_ = new CameraManager();
+	cameraManager_ = std::make_unique<CameraManager>();
 
 	/* Support camera hotplug. */
 	cameraManager_->cameraAdded.connect(this, &CameraHalManager::cameraAdded);
@@ -55,8 +49,7 @@ int CameraHalManager::init()
 	if (ret) {
 		LOG(HAL, Error) << "Failed to start camera manager: "
 				<< strerror(-ret);
-		delete cameraManager_;
-		cameraManager_ = nullptr;
+		cameraManager_.reset();
 		return ret;
 	}
 
diff --git a/src/android/camera_hal_manager.h b/src/android/camera_hal_manager.h
index 3cf31f4e..d9bf2798 100644
--- a/src/android/camera_hal_manager.h
+++ b/src/android/camera_hal_manager.h
@@ -49,7 +49,7 @@ private:
 
 	CameraDevice *cameraDeviceFromHalId(unsigned int id);
 
-	libcamera::CameraManager *cameraManager_;
+	std::unique_ptr<libcamera::CameraManager> cameraManager_;
 
 	const camera_module_callbacks_t *callbacks_;
 	std::vector<std::unique_ptr<CameraDevice>> cameras_;