Re: [PATCH] virtio-vdpa: Fix cpumask memory leak in virtio_vdpa_find_vqs()

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On Thu, Jul 27, 2023 at 3:11 AM Dragos Tatulea <dtatulea@xxxxxxxxxx> wrote:
>
> From: Gal Pressman <gal@xxxxxxxxxx>
>
> Free the cpumask allocated by create_affinity_masks() before returning
> from the function.
>
> Fixes: 3dad56823b53 ("virtio-vdpa: Support interrupt affinity spreading mechanism")
> Signed-off-by: Gal Pressman <gal@xxxxxxxxxx>
> Reviewed-by: Dragos Tatulea <dtatulea@xxxxxxxxxx>

Acked-by: Jason Wang <jasowang@xxxxxxxxxx>

Thanks

> ---
>  drivers/virtio/virtio_vdpa.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c
> index 989e2d7184ce..961161da5900 100644
> --- a/drivers/virtio/virtio_vdpa.c
> +++ b/drivers/virtio/virtio_vdpa.c
> @@ -393,11 +393,13 @@ static int virtio_vdpa_find_vqs(struct virtio_device *vdev, unsigned int nvqs,
>         cb.callback = virtio_vdpa_config_cb;
>         cb.private = vd_dev;
>         ops->set_config_cb(vdpa, &cb);
> +       kfree(masks);
>
>         return 0;
>
>  err_setup_vq:
>         virtio_vdpa_del_vqs(vdev);
> +       kfree(masks);
>         return err;
>  }
>
> --
> 2.41.0
>





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