Re: [PATCH] media: ti: cal: fix possible memory leak in cal_ctx_create()

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Hi Gaosheng,

Thank you for the patch.

On Tue, Nov 29, 2022 at 07:01:59PM +0800, Gaosheng Cui wrote:
> The memory of ctx is allocated in cal_ctx_create(), but it will
> not be freed when cal_ctx_v4l2_init() fails, so add kfree() when
> cal_ctx_v4l2_init() fails to fix it.
> 
> Fixes: d68a94e98a89 ("media: ti-vpe: cal: Split video device initialization and registration")
> Signed-off-by: Gaosheng Cui <cuigaosheng1@xxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
>  drivers/media/platform/ti/cal/cal.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/ti/cal/cal.c b/drivers/media/platform/ti/cal/cal.c
> index 56b61c0583cf..1236215ec70e 100644
> --- a/drivers/media/platform/ti/cal/cal.c
> +++ b/drivers/media/platform/ti/cal/cal.c
> @@ -1050,8 +1050,10 @@ static struct cal_ctx *cal_ctx_create(struct cal_dev *cal, int inst)
>  	ctx->cport = inst;
>  
>  	ret = cal_ctx_v4l2_init(ctx);
> -	if (ret)
> +	if (ret) {
> +		kfree(ctx);
>  		return NULL;
> +	}
>  
>  	return ctx;
>  }

-- 
Regards,

Laurent Pinchart



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