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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D0B3CCA47D for ; Wed, 22 Jun 2022 08:51:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355469AbiFVIv5 (ORCPT ); Wed, 22 Jun 2022 04:51:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48448 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348196AbiFVIvz (ORCPT ); Wed, 22 Jun 2022 04:51:55 -0400 Received: from mail-pg1-f195.google.com (mail-pg1-f195.google.com [209.85.215.195]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0254F393EC; Wed, 22 Jun 2022 01:51:55 -0700 (PDT) Received: by mail-pg1-f195.google.com with SMTP id l4so15493622pgh.13; Wed, 22 Jun 2022 01:51:54 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=2r2ZFcponVjH8EtFELgTwaVJcACpqBslCVvaRP6ArR8=; b=F+G0dbJ4luLldMZ3Fx1J44PKquRoH/S/MQ5dcBY1wueT+2ihRjGLm8r54lXnof/Nyx 6tJSkO08q96coGQxsQDtd5ZFX+cL33LUrTMFbqodDR2dzn5QpR+VU7c43SbRUHKGue93 HarBcUPyZ5vqfFSgBXq/fItMcVp4IJpEMfk4/zpZpJM0/xAIKIkHlF1YAZm+ifbV7M9O axh/b/fZEDy0gYt44acdZQimrJOcPOl2xtzD54CoEtdyovowK391RTPjGHLuL6G+cxaj Cej5H/gCc8VmDB9O7ZJWdj9XZVIchHH2j8Vz9TpJQ5S3yy/RVnhmImHYte14lUeuANeQ MFeQ== X-Gm-Message-State: AJIora/VwAZJKssDePIszblydEhsgvyQyRSHNjwGDEo3r9elQcu6f1FW oPAaGUtIrOPEkevnPMlw7A== X-Google-Smtp-Source: AGRyM1vcGO7Nd9ID30vVjt7tcTVKOCn34TCI2kKGbaDAlTiQFevnbJF6F1HPZcF7YsCsNFPM9VWxfg== X-Received: by 2002:a63:158:0:b0:40c:f753:d227 with SMTP id 85-20020a630158000000b0040cf753d227mr2054462pgb.550.1655887914573; Wed, 22 Jun 2022 01:51:54 -0700 (PDT) Received: from localhost.localdomain ([156.146.53.107]) by smtp.gmail.com with ESMTPSA id c3-20020a17090a8d0300b001ec84049064sm8176780pjo.41.2022.06.22.01.51.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jun 2022 01:51:54 -0700 (PDT) From: sunliming To: viro@zeniv.linux.org.uk Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, sunliming@kylino.cn, kelulanainsley@gmail.com, sunliming Subject: [PATCH] walk_component(): get inode in lookup_slow branch statement block Date: Wed, 22 Jun 2022 16:51:46 +0800 Message-Id: <20220622085146.444516-1-sunliming@kylinos.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The inode variable is used as a parameter by the step_into function, but is not assigned a value in the sub-lookup_slow branch path. So get the inode in the sub-lookup_slow branch path. Signed-off-by: sunliming --- fs/namei.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/namei.c b/fs/namei.c index 1f28d3f463c3..a1a3e9514f46 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2014,6 +2014,8 @@ static const char *walk_component(struct nameidata *nd, int flags) dentry = lookup_slow(&nd->last, nd->path.dentry, nd->flags); if (IS_ERR(dentry)) return ERR_CAST(dentry); + + inode = d_backing_inode(dentry); } if (!(flags & WALK_MORE) && nd->depth) put_link(nd); -- 2.25.1