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Message-ID: <20240815175024.0a87b1ca@kernel.org>
Date: Thu, 15 Aug 2024 17:50:24 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Mina Almasry <almasrymina@...gle.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-doc@...r.kernel.org, linux-alpha@...r.kernel.org,
 linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
 sparclinux@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
 linux-arch@...r.kernel.org, linux-kselftest@...r.kernel.org,
 bpf@...r.kernel.org, linux-media@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Donald
 Hunter <donald.hunter@...il.com>, Jonathan Corbet <corbet@....net>, Richard
 Henderson <richard.henderson@...aro.org>, Ivan Kokshaysky
 <ink@...assic.park.msu.ru>, Matt Turner <mattst88@...il.com>, Thomas
 Bogendoerfer <tsbogend@...ha.franken.de>, "James E.J. Bottomley"
 <James.Bottomley@...senPartnership.com>, Helge Deller <deller@....de>,
 Andreas Larsson <andreas@...sler.com>, Jesper Dangaard Brouer
 <hawk@...nel.org>, Ilias Apalodimas <ilias.apalodimas@...aro.org>, Steven
 Rostedt <rostedt@...dmis.org>, Masami Hiramatsu <mhiramat@...nel.org>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Arnd Bergmann
 <arnd@...db.de>, Steffen Klassert <steffen.klassert@...unet.com>, Herbert
 Xu <herbert@...dor.apana.org.au>, David Ahern <dsahern@...nel.org>, Willem
 de Bruijn <willemdebruijn.kernel@...il.com>, Shuah Khan <shuah@...nel.org>,
 Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann
 <daniel@...earbox.net>, John Fastabend <john.fastabend@...il.com>, Sumit
 Semwal <sumit.semwal@...aro.org>, "Christian König"
 <christian.koenig@....com>, Bagas Sanjaya <bagasdotme@...il.com>, Christoph
 Hellwig <hch@...radead.org>, Nikolay Aleksandrov <razor@...ckwall.org>,
 Taehee Yoo <ap420073@...il.com>, Pavel Begunkov <asml.silence@...il.com>,
 David Wei <dw@...idwei.uk>, Jason Gunthorpe <jgg@...pe.ca>, Yunsheng Lin
 <linyunsheng@...wei.com>, Shailend Chand <shailend@...gle.com>, Harshitha
 Ramamurthy <hramamurthy@...gle.com>, Shakeel Butt <shakeel.butt@...ux.dev>,
 Jeroen de Borst <jeroendb@...gle.com>, Praveen Kaligineedi
 <pkaligineedi@...gle.com>, Willem de Bruijn <willemb@...gle.com>, Kaiyuan
 Zhang <kaiyuanz@...gle.com>, Daniel Vetter <daniel.vetter@...ll.ch>
Subject: Re: [PATCH net-next v19 03/13] netdev: support binding dma-buf to
 netdevice

On Tue, 13 Aug 2024 21:13:05 +0000 Mina Almasry wrote:
> +		if (NL_REQ_ATTR_CHECK(info->extack, attr, tb,
> +				      NETDEV_A_QUEUE_ID)) {
> +			err = -EINVAL;
> +			goto err_unlock;
> +		}
> +
> +		if (NL_REQ_ATTR_CHECK(info->extack, attr, tb,
> +				      NETDEV_A_QUEUE_TYPE)) {
> +			err = -EINVAL;
> +			goto err_unlock;
> +		}
> +
> +		if (nla_get_u32(tb[NETDEV_A_QUEUE_TYPE]) !=
> +		    NETDEV_QUEUE_TYPE_RX) {
> +			err = -EINVAL;
> +			goto err_unlock;
> +		}

nit: you can || these three into as single if statement

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