* Re: [PATCH] virtio: Directly use ida_alloc()/free()
[not found] <20220527073302.2474073-1-liuke94@huawei.com>
@ 2022-05-27 10:26 ` Michael S. Tsirkin
0 siblings, 0 replies; only message in thread
From: Michael S. Tsirkin @ 2022-05-27 10:26 UTC (permalink / raw)
To: keliu; +Cc: linux-kernel, virtualization
On Fri, May 27, 2022 at 07:33:02AM +0000, keliu wrote:
> Use ida_alloc()/ida_free() instead of deprecated
> ida_simple_get()/ida_simple_remove() .
>
> Signed-off-by: keliu <liuke94@huawei.com>
Please Cc people that commented on the original patch. thanks!
> ---
> drivers/virtio/virtio.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
> index 22f15f444f75..143f94652306 100644
> --- a/drivers/virtio/virtio.c
> +++ b/drivers/virtio/virtio.c
> @@ -413,7 +413,7 @@ int register_virtio_device(struct virtio_device *dev)
> device_initialize(&dev->dev);
>
> /* Assign a unique device index and hence name. */
> - err = ida_simple_get(&virtio_index_ida, 0, 0, GFP_KERNEL);
> + err = ida_alloc(&virtio_index_ida, GFP_KERNEL);
> if (err < 0)
> goto out;
>
> @@ -451,7 +451,7 @@ int register_virtio_device(struct virtio_device *dev)
> out_of_node_put:
> of_node_put(dev->dev.of_node);
> out_ida_remove:
> - ida_simple_remove(&virtio_index_ida, dev->index);
> + ida_free(&virtio_index_ida, dev->index);
> out:
> virtio_add_status(dev, VIRTIO_CONFIG_S_FAILED);
> return err;
> @@ -469,7 +469,7 @@ void unregister_virtio_device(struct virtio_device *dev)
> int index = dev->index; /* save for after device release */
>
> device_unregister(&dev->dev);
> - ida_simple_remove(&virtio_index_ida, index);
> + ida_free(&virtio_index_ida, index);
> }
> EXPORT_SYMBOL_GPL(unregister_virtio_device);
>
> --
> 2.25.1
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