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Message-ID: <20240710085637.4284c7d7@kernel.org>
Date: Wed, 10 Jul 2024 08:56:37 -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, Donald Hunter <donald.hunter@...il.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.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>,
 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 v16 03/13] netdev: support binding dma-buf to
 netdevice

On Wed, 10 Jul 2024 00:17:36 +0000 Mina Almasry wrote:
> +		err = gen_pool_add_owner(binding->chunk_pool, dma_addr,
> +					 dma_addr, len, dev_to_node(&dev->dev),
> +					 owner);
> +		if (err) {

	kfree(owner);

right? If the insert fails gen_pool_for_each_chunk() won't see it

> +			err = -EINVAL;
> +			goto err_free_chunks;
> +		}

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