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Date: Wed, 16 Apr 2025 17:58:35 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Alexey Nepomnyashih <sdl@nppct.ru>
Cc: Juergen Gross <jgross@suse.com>, Stefano Stabellini
 <sstabellini@kernel.org>, Oleksandr Tyshchenko
 <oleksandr_tyshchenko@epam.com>, "David S. Miller" <davem@davemloft.net>,
 Eric Dumazet <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>, Alexei
 Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>,
 Jesper Dangaard Brouer <hawk@kernel.org>, John Fastabend
 <john.fastabend@gmail.com>, xen-devel@lists.xenproject.org,
 netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org,
 lvc-project@linuxtesting.org, stable@vger.kernel.org
Subject: Re: [PATCH] xen-netfront: handle NULL returned by
 xdp_convert_buff_to_frame()
Message-ID: <20250416175835.687a5872@kernel.org>
In-Reply-To: <20250414183403.265943-1-sdl@nppct.ru>
References: <20250414183403.265943-1-sdl@nppct.ru>
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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;
> +		}