From patchwork Mon Sep 11 10:34:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Breno Leitao X-Patchwork-Id: 13379151 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A2BFCF9E7; Mon, 11 Sep 2023 10:34:42 +0000 (UTC) Received: from mail-lj1-f179.google.com (mail-lj1-f179.google.com [209.85.208.179]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 26C7EE5F; Mon, 11 Sep 2023 03:34:41 -0700 (PDT) Received: by mail-lj1-f179.google.com with SMTP id 38308e7fff4ca-2bb9a063f26so72589331fa.2; Mon, 11 Sep 2023 03:34:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694428479; x=1695033279; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=CCQEu/ILqoq7skisc09M8SCm5EUq/HC3ZQfY+FZ+QRY=; b=RIZHRvPIMnqDZyF2bfa2HpIYt0H0q6LPJd8I+nY4iE9CSsGeMSxO159HycFDPerDn8 3Nna0KTL1tNnxfJMekW77jMDey9z4p2Zvy2864q2e/1yFqm2wKwb1eHVwxqy0KFZomlZ XqAqGrgdfA6MOeo2zUeiXeXDOmDGeofHsH6geQ+awE1Hbfi10b7tggi0vXQ6ZkjE2b8O qxGxjOdcwTlrzh+eat4zl1uCC90+mSsmEKLx2gyN5DFa1llrj6ySogjo36C2XJjXgyBQ 1wKTz0qI7WmHQ40QMooa61FTyvBRVYo7JdtsqGBWpAxO6P0FM2lMKPgI3+7EaqRusXQF tz3A== X-Gm-Message-State: AOJu0Yxrii0gFRZxsDQu/Jy2rkM60zBroGy5Azk+Ij/+ZMxBELyLNiDJ bQ36Q8i9pXctD21QJuG84Mo= X-Google-Smtp-Source: AGHT+IHPAvnfK5eQx9WB+bvBZJYtdCmswy86l78DIKlKeO7/AZnaLfuCWxfsNFuKxjPBO26b8HWvgw== X-Received: by 2002:a2e:3609:0:b0:2bc:d993:bdaa with SMTP id d9-20020a2e3609000000b002bcd993bdaamr8173814lja.18.1694428479114; Mon, 11 Sep 2023 03:34:39 -0700 (PDT) Received: from localhost (fwdproxy-cln-011.fbsv.net. [2a03:2880:31ff:b::face:b00c]) by smtp.gmail.com with ESMTPSA id o6-20020a17090611c600b0099cf9bf4c98sm5192137eja.8.2023.09.11.03.34.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Sep 2023 03:34:38 -0700 (PDT) From: Breno Leitao To: sdf@google.com, axboe@kernel.dk, asml.silence@gmail.com, willemdebruijn.kernel@gmail.com, kuba@kernel.org, martin.lau@linux.dev, krisman@suse.de Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, io-uring@vger.kernel.org, pabeni@redhat.com Subject: [PATCH v5 5/8] io_uring/cmd: return -EOPNOTSUPP if net is disabled Date: Mon, 11 Sep 2023 03:34:04 -0700 Message-Id: <20230911103407.1393149-6-leitao@debian.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230911103407.1393149-1-leitao@debian.org> References: <20230911103407.1393149-1-leitao@debian.org> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Protect io_uring_cmd_sock() to be called if CONFIG_NET is not set. If network is not enabled, but io_uring is, then we want to return -EOPNOTSUPP for any possible socket operation. This is helpful because io_uring_cmd_sock() can now call functions that only exits if CONFIG_NET is enabled without having #ifdef CONFIG_NET inside the function itself. Signed-off-by: Breno Leitao --- io_uring/uring_cmd.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c index 60f843a357e0..a7d6a7d112b7 100644 --- a/io_uring/uring_cmd.c +++ b/io_uring/uring_cmd.c @@ -167,6 +167,7 @@ int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw, } EXPORT_SYMBOL_GPL(io_uring_cmd_import_fixed); +#if defined(CONFIG_NET) int io_uring_cmd_sock(struct io_uring_cmd *cmd, unsigned int issue_flags) { struct socket *sock = cmd->file->private_data; @@ -193,3 +194,10 @@ int io_uring_cmd_sock(struct io_uring_cmd *cmd, unsigned int issue_flags) } } EXPORT_SYMBOL_GPL(io_uring_cmd_sock); +#else +int io_uring_cmd_sock(struct io_uring_cmd *cmd, unsigned int issue_flags) +{ + return -EOPNOTSUPP; +} +#endif +