Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932578AbbEKSQj (ORCPT ); Mon, 11 May 2015 14:16:39 -0400 Received: from zeniv.linux.org.uk ([195.92.253.2]:47507 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753838AbbEKSI2 (ORCPT ); Mon, 11 May 2015 14:08:28 -0400 From: Al Viro To: Linus Torvalds Cc: Neil Brown , Christoph Hellwig , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v3 091/110] link_path_walk: use explicit returns for failure exits Date: Mon, 11 May 2015 19:07:51 +0100 Message-Id: <1431367690-5223-91-git-send-email-viro@ZenIV.linux.org.uk> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <20150511180650.GA4147@ZenIV.linux.org.uk> References: <20150511180650.GA4147@ZenIV.linux.org.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1681 Lines: 71 From: Al Viro Signed-off-by: Al Viro --- fs/namei.c | 19 +++++++------------ 1 file changed, 7 insertions(+), 12 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index 27c3859..756e150 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1772,7 +1772,7 @@ static int link_path_walk(const char *name, struct nameidata *nd) err = may_lookup(nd); if (err) - break; + return err; hash_len = hash_name(name); @@ -1794,7 +1794,7 @@ static int link_path_walk(const char *name, struct nameidata *nd) struct qstr this = { { .hash_len = hash_len }, .name = name }; err = parent->d_op->d_hash(parent, &this); if (err < 0) - break; + return err; hash_len = this.hash_len; name = this.name; } @@ -1829,15 +1829,13 @@ OK: err = walk_component(nd, WALK_GET); } if (err < 0) - break; + return err; if (err) { const char *s = get_link(nd); - if (unlikely(IS_ERR(s))) { - err = PTR_ERR(s); - break; - } + if (unlikely(IS_ERR(s))) + return PTR_ERR(s); err = 0; if (unlikely(!s)) { /* jumped */ @@ -1848,12 +1846,9 @@ OK: continue; } } - if (!d_can_lookup(nd->path.dentry)) { - err = -ENOTDIR; - break; - } + if (unlikely(!d_can_lookup(nd->path.dentry))) + return -ENOTDIR; } - return err; } static const char *path_init(int dfd, const struct filename *name, -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/