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[2620:137:e000::1:20]) by mx.google.com with ESMTP id z61-20020a17090a6d4300b0026807ec51b2si8217152pjj.53.2023.07.31.19.41.17; Mon, 31 Jul 2023 19:41:29 -0700 (PDT) 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=@infradead.org header.s=bombadil.20210309 header.b=rFTeCvt2; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231748AbjHABwv (ORCPT + 99 others); Mon, 31 Jul 2023 21:52:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45366 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229510AbjHABwt (ORCPT ); Mon, 31 Jul 2023 21:52:49 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8EEB4199D for ; Mon, 31 Jul 2023 18:52:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Sender:Reply-To:Content-ID:Content-Description; bh=1RwJsJmR65gKcYjxTa6NXFcs4smX4YLaL+2O/q9ZOjk=; b=rFTeCvt2kPHLSMb9IVXxIqDAEt hwRkOu1e0hIi/tjQW9kUrhlXFIy0n123kMkgfSsqnSHZtqtjktCOjI4CXvhzgDfRQl7YFkspeyXtb uqE29SR49l9v1HkjhMKXiWBMGTWwkJIIZsPtWX4uewdlq6zJS7epggjbDIMfqbeycG2D9CB/qsJrc ovqIAAt2sihX8xeTdyf9P+WajfYKa1ru1FVAmzh91DsKdo/18umCH2MYH3IvKODfKzfophLH3CdIa bV3Hm7zbR0eZlF3JjjhKwLBopXEQ+R6QOTkPvDE0/3ZHdw43NS8lslilSF9lboaXdNqfWMtcYpYwa DYqLpxEw==; Received: from [2601:1c2:980:9ec0::2764] by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1qQeZ0-000AB2-1S; Tue, 01 Aug 2023 01:52:42 +0000 Message-ID: <45d450dc-356b-e984-eff5-9f4c698e7ffe@infradead.org> Date: Mon, 31 Jul 2023 18:52:41 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: =?UTF-8?Q?Re=3a_=5bPATCH=5d_user=5fnamespace=3a_Remove_unnecessary_?= =?UTF-8?B?4oCYTlVMTOKAmSB2YWx1ZXMgZnJvbSBtYXBfd3JpdGU=?= Content-Language: en-US To: Li zeming , paul@paul-moore.com, brauner@kernel.org, fred@cloudflare.com, kpsingh@kernel.org Cc: linux-kernel@vger.kernel.org References: <20230801184512.2892-1-zeming@nfschina.com> From: Randy Dunlap In-Reply-To: <20230801184512.2892-1-zeming@nfschina.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED 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 8/1/23 11:45, Li zeming wrote: ^^^^^^^^^^^^^^^ Please fix your system's date/time. > kbuf is assigned first, so it does not need to initialize the > assignment. > > Signed-off-by: Li zeming Reviewed-by: Randy Dunlap Thanks. > --- > kernel/user_namespace.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c > index 1d8e47bed3f1..6fabf388bb8a 100644 > --- a/kernel/user_namespace.c > +++ b/kernel/user_namespace.c > @@ -928,7 +928,7 @@ static ssize_t map_write(struct file *file, const char __user *buf, > struct uid_gid_map new_map; > unsigned idx; > struct uid_gid_extent extent; > - char *kbuf = NULL, *pos, *next_line; > + char *kbuf, *pos, *next_line; > ssize_t ret; > > /* Only allow < page size writes at the beginning of the file */ -- ~Randy