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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e2-20020a17090301c200b0018981c83ffcsi19273680plh.4.2022.12.06.19.05.56; Tue, 06 Dec 2022 19:06:24 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=cJabMUMP; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229660AbiLGCxj (ORCPT + 77 others); Tue, 6 Dec 2022 21:53:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229758AbiLGCxe (ORCPT ); Tue, 6 Dec 2022 21:53:34 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 316D4554CC; Tue, 6 Dec 2022 18:53:31 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C01EC615A3; Wed, 7 Dec 2022 02:53:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D95CAC433C1; Wed, 7 Dec 2022 02:53:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1670381610; bh=tBMnuZW7dcg8GFGznaGwyHM7+cx2dyG08WXtXUsK3kg=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=cJabMUMPsVo8D38EkaQxk5sYxXjpYAzogMpqueQB65+HNL49Gh93yZ5WaqAE68ggk q5RzrozRRofeQR1lFRtrTx/GjmFkwDdVthl2IdQ2wpHWew+YrfhsqHYUHRRREFH/4P jww3QeTm0hyPOm3XC2PxsZGXg+if6K49hBafS3dcFto0YC9+30N/Hjx/lnm0+Sc6/U qfbC67HjvBYOOaP3Zq5pz6tyt0HxmlmdL7cgw7xCG65OAtUjA/VznIP6JaGHfr1fkM JliUfWL+JM8osei72zT8mvmgs4NIMq0sep7OalWs8nNfwGaQqfy+ylPpuqIVEJEiOJ hmRvzIU+5vhxQ== Date: Tue, 6 Dec 2022 18:53:29 -0800 From: Jakub Kicinski To: Alex Elder Cc: ye.xingchen@zte.com.cn, davem@davemloft.net, elder@kernel.org, edumazet@google.com, pabeni@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] net: ipa: use sysfs_emit() to instead of scnprintf() Message-ID: <20221206185329.092e37da@kernel.org> In-Reply-To: References: <202212021642142044742@zte.com.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2 Dec 2022 16:20:16 -0600 Alex Elder wrote: > On 12/2/22 2:42 AM, ye.xingchen@zte.com.cn wrote: > > From: ye xingchen > > > > Follow the advice of the Documentation/filesystems/sysfs.rst and show() > > should only use sysfs_emit() or sysfs_emit_at() when formatting the > > value to be returned to user space. > > The buffer passed is non-null and the existing code properly > limits the buffer to PAGE_SIZE. > > But... OK. > > Reviewed-by: Alex Elder > Thanks! 38db82e2940 in net-next.