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Re: [PATCH] xen-netfront: handle NULL returned by xdp_convert_buff_to_frame()
- To: Alexey Nepomnyashih <sdl@xxxxxxxx>
- From: Jakub Kicinski <kuba@xxxxxxxxxx>
- Date: Wed, 16 Apr 2025 17:58:35 -0700
- Cc: Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Paolo Abeni <pabeni@xxxxxxxxxx>, Alexei Starovoitov <ast@xxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Jesper Dangaard Brouer <hawk@xxxxxxxxxx>, John Fastabend <john.fastabend@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, bpf@xxxxxxxxxxxxxxx, lvc-project@xxxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx
- Delivery-date: Thu, 17 Apr 2025 00:58:57 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Mon, 14 Apr 2025 18:34:01 +0000 Alexey Nepomnyashih wrote:
> get_page(pdata);
Please notice this get_page() here.
> xdpf = xdp_convert_buff_to_frame(xdp);
> + if (unlikely(!xdpf)) {
> + trace_xdp_exception(queue->info->netdev, prog, act);
> + break;
> + }
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