From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63D7AC433E3 for ; Tue, 18 Aug 2020 19:35:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 432DF2076E for ; Tue, 18 Aug 2020 19:35:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726747AbgHRTfx (ORCPT ); Tue, 18 Aug 2020 15:35:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43974 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726681AbgHRTfv (ORCPT ); Tue, 18 Aug 2020 15:35:51 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A8DCEC061389; Tue, 18 Aug 2020 12:35:51 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id DEE0C1279E923; Tue, 18 Aug 2020 12:19:04 -0700 (PDT) Date: Tue, 18 Aug 2020 12:35:50 -0700 (PDT) Message-Id: <20200818.123550.1614770957816770142.davem@davemloft.net> To: vulab@iscas.ac.cn Cc: kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org, kuba@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] rpl_iptunnel: simplify the return expression of rpl_do_srh() From: David Miller In-Reply-To: <20200818085454.12224-1-vulab@iscas.ac.cn> References: <20200818085454.12224-1-vulab@iscas.ac.cn> X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-7 Content-Transfer-Encoding: base64 X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 18 Aug 2020 12:19:05 -0700 (PDT) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org RnJvbTogWHUgV2FuZyA8dnVsYWJAaXNjYXMuYWMuY24+DQpEYXRlOiBUdWUsIDE4IEF1ZyAyMDIw IDA4OjU0OjU0ICswMDAwDQoNCj4gQEAgLTE5NywxMSArMTk3LDcgQEAgc3RhdGljIGludCBycGxf ZG9fc3JoKHN0cnVjdCBza19idWZmICpza2IsIGNvbnN0IHN0cnVjdCBycGxfbHd0ICpybHd0KQ0K PiAgDQo+ICAJdGluZm8gPSBycGxfZW5jYXBfbHd0dW5uZWwoZHN0LT5sd3RzdGF0ZSk7DQo+ICAN Cj4gLQllcnIgPSBycGxfZG9fc3JoX2lubGluZShza2IsIHJsd3QsIHRpbmZvLT5zcmgpOw0KPiAt CWlmIChlcnIpDQo+IC0JCXJldHVybiBlcnI7DQo+IC0NCj4gLQlyZXR1cm4gMDsNCj4gKwlyZXR1 cm4gcnBsX2RvX3NyaF9pbmxpbmUoc2tiLCBybHd0LCB0aW5mby0+c3JoKTsNCj4gIH0NCg0KUGxl YXNlIGF0IGxlYXN0IGNvbXBpbGUgdGVzdCB5b3VyIGNoYW5nZXM6DQoNCm5ldC9pcHY2L3JwbF9p cHR1bm5lbC5jOiBJbiBmdW5jdGlvbiChcnBsX2RvX3NyaKI6DQpuZXQvaXB2Ni9ycGxfaXB0dW5u ZWwuYzoxOTM6Njogd2FybmluZzogdW51c2VkIHZhcmlhYmxlIKFlcnKiIFstV3VudXNlZC12YXJp YWJsZV0NCiAgMTkzIHwgIGludCBlcnIgPSAwOw0K