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SubjectRe: [PATCH] net: xdp: Directly use ida_alloc()/free()
On Fri, May 27, 2022 at 06:46:09AM +0000, keliu wrote:
> Use ida_alloc()/ida_free() instead of deprecated
> ida_simple_get()/ida_simple_remove() .
>
> Signed-off-by: keliu <liuke94@huawei.com>

Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>

For future AF_XDP related patches please specify the bpf-next tree in the
patch subject (or bpf if it's a fix).

Thanks!

> ---
> net/xdp/xdp_umem.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
> index f01ef6bda390..869b9b9b9fad 100644
> --- a/net/xdp/xdp_umem.c
> +++ b/net/xdp/xdp_umem.c
> @@ -57,7 +57,7 @@ static int xdp_umem_addr_map(struct xdp_umem *umem, struct page **pages,
> static void xdp_umem_release(struct xdp_umem *umem)
> {
> umem->zc = false;
> - ida_simple_remove(&umem_ida, umem->id);
> + ida_free(&umem_ida, umem->id);
>
> xdp_umem_addr_unmap(umem);
> xdp_umem_unpin_pages(umem);
> @@ -242,7 +242,7 @@ struct xdp_umem *xdp_umem_create(struct xdp_umem_reg *mr)
> if (!umem)
> return ERR_PTR(-ENOMEM);
>
> - err = ida_simple_get(&umem_ida, 0, 0, GFP_KERNEL);
> + err = ida_alloc(&umem_ida, GFP_KERNEL);
> if (err < 0) {
> kfree(umem);
> return ERR_PTR(err);
> @@ -251,7 +251,7 @@ struct xdp_umem *xdp_umem_create(struct xdp_umem_reg *mr)
>
> err = xdp_umem_reg(umem, mr);
> if (err) {
> - ida_simple_remove(&umem_ida, umem->id);
> + ida_free(&umem_ida, umem->id);
> kfree(umem);
> return ERR_PTR(err);
> }
> --
> 2.25.1
>

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