On Mon, Jan 15, 2024 at 09:35:50PM +0100, Christophe JAILLET wrote:
> ida_alloc() and ida_free() should be preferred to the deprecated
> ida_simple_get() and ida_simple_remove().
>
> Note that the upper limit of ida_simple_get() is exclusive, buInputt the one of
What's buInputt? But?
> ida_alloc_max() is inclusive. So a -1 has been added when needed.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Jason, wanna ack?
> ---
> drivers/vhost/vdpa.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
> index bc4a51e4638b..849b9d2dd51f 100644
> --- a/drivers/vhost/vdpa.c
> +++ b/drivers/vhost/vdpa.c
> @@ -1534,7 +1534,7 @@ static void vhost_vdpa_release_dev(struct device *device)
> struct vhost_vdpa *v =
> container_of(device, struct vhost_vdpa, dev);
>
> - ida_simple_remove(&vhost_vdpa_ida, v->minor);
> + ida_free(&vhost_vdpa_ida, v->minor);
> kfree(v->vqs);
> kfree(v);
> }
> @@ -1557,8 +1557,8 @@ static int vhost_vdpa_probe(struct vdpa_device *vdpa)
> if (!v)
> return -ENOMEM;
>
> - minor = ida_simple_get(&vhost_vdpa_ida, 0,
> - VHOST_VDPA_DEV_MAX, GFP_KERNEL);
> + minor = ida_alloc_max(&vhost_vdpa_ida, VHOST_VDPA_DEV_MAX - 1,
> + GFP_KERNEL);
> if (minor < 0) {
> kfree(v);
> return minor;
> --
> 2.43.0
