libcamera: v4l2_device: Return a unique pointer from fromEntityName()

The fromEntityName() function returns a pointer to a newly allocated
V4L2Device instance, which must be deleted by the caller. This opens the
door to memory leaks. Return a unique pointer instead, which conveys the
API semantics better than a sentence in the documentation.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libcamera/pipeline/ipu3/cio2.h b/src/libcamera/pipeline/ipu3/cio2.h
index fa813a98..0dca9673 100644
--- a/src/libcamera/pipeline/ipu3/cio2.h
+++ b/src/libcamera/pipeline/ipu3/cio2.h
@@ -63,7 +63,7 @@ private:
 
 	CameraSensor *sensor_;
 	V4L2Subdevice *csi2_;
-	V4L2VideoDevice *output_;
+	std::unique_ptr<V4L2VideoDevice> output_;
 
 	std::vector<std::unique_ptr<FrameBuffer>> buffers_;
 	std::queue<FrameBuffer *> availableBuffers_;