[libcamera-devel] [PATCH] test: buffer_import: Initialize media_ and video_

Laurent Pinchart laurent.pinchart at ideasonboard.com
Mon Sep 16 14:31:14 CEST 2019


Hi Jacopo,

Thank you for the patch.

On Mon, Sep 16, 2019 at 02:22:38PM +0200, Jacopo Mondi wrote:
> When the vivid module used to test buffer importing is not loaded, the
> test correctly bails out, but during the clean up procedure tries to
> access media_ and video_ fields, which, if not correctly initialized to
> nullptr might retain random values and cause a segfault.

s/might retain/will contain/

> Fix this by initializing media_ and video_ to nullptr to make sure they
> get ignored when cleaup() is called before they get initialized.

s/cleaup/cleanup/

Technically they will now be initialised before cleanup() is called ;-)

"... to make sure they are properly handled in cleanup()." ?

> Fixes: e1a5873701a9 ("test: camera: Add buffer import and mapping test")
> Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>

Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

> ---
>  test/camera/buffer_import.cpp | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/test/camera/buffer_import.cpp b/test/camera/buffer_import.cpp
> index 9364e3d1bc44..31af8336dc8a 100644
> --- a/test/camera/buffer_import.cpp
> +++ b/test/camera/buffer_import.cpp
> @@ -28,6 +28,11 @@ static constexpr unsigned int CAMERA_BUFFER_COUNT = 4;
>  class FrameSink
>  {
>  public:
> +	FrameSink()
> +		: media_(nullptr), video_(nullptr)
> +	{
> +	}
> +
>  	int init()
>  	{
>  		int ret;

-- 
Regards,

Laurent Pinchart


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