Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030267AbbEEFgC (ORCPT ); Tue, 5 May 2015 01:36:02 -0400 Received: from zeniv.linux.org.uk ([195.92.253.2]:39982 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755619AbbEEFXG (ORCPT ); Tue, 5 May 2015 01:23:06 -0400 From: Al Viro To: Linus Torvalds Cc: Neil Brown , Christoph Hellwig , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 65/79] lift terminate_walk() into callers of walk_component() Date: Tue, 5 May 2015 06:22:39 +0100 Message-Id: <1430803373-4948-65-git-send-email-viro@ZenIV.linux.org.uk> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <20150505052205.GS889@ZenIV.linux.org.uk> References: <20150505052205.GS889@ZenIV.linux.org.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2430 Lines: 89 From: Al Viro Signed-off-by: Al Viro --- fs/namei.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index e53f146..76bf620 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1579,20 +1579,16 @@ static int walk_component(struct nameidata *nd, int follow) * to be able to know about the current root directory and * parent relationships. */ - if (unlikely(nd->last_type != LAST_NORM)) { - err = handle_dots(nd, nd->last_type); - if (err) - goto out_err; - return 0; - } + if (unlikely(nd->last_type != LAST_NORM)) + return handle_dots(nd, nd->last_type); err = lookup_fast(nd, &path, &inode); if (unlikely(err)) { if (err < 0) - goto out_err; + return err; err = lookup_slow(nd, &path); if (err < 0) - goto out_err; + return err; inode = path.dentry->d_inode; } @@ -1604,8 +1600,7 @@ static int walk_component(struct nameidata *nd, int follow) if (nd->flags & LOOKUP_RCU) { if (unlikely(nd->path.mnt != path.mnt || unlazy_walk(nd, path.dentry))) { - err = -ECHILD; - goto out_err; + return -ECHILD; } } BUG_ON(inode != path.dentry->d_inode); @@ -1618,8 +1613,6 @@ static int walk_component(struct nameidata *nd, int follow) out_path_put: path_to_nameidata(&path, nd); -out_err: - terminate_walk(nd); return err; } @@ -1811,7 +1804,7 @@ static int link_path_walk(const char *name, struct nameidata *nd) err = walk_component(nd, LOOKUP_FOLLOW); Walked: if (err < 0) - goto Err; + break; if (err) { const char *s; @@ -2012,11 +2005,15 @@ static int trailing_symlink(struct nameidata *nd) static inline int lookup_last(struct nameidata *nd) { + int err; if (nd->last_type == LAST_NORM && nd->last.name[nd->last.len]) nd->flags |= LOOKUP_FOLLOW | LOOKUP_DIRECTORY; nd->flags &= ~LOOKUP_PARENT; - return walk_component(nd, nd->flags & LOOKUP_FOLLOW); + err = walk_component(nd, nd->flags & LOOKUP_FOLLOW); + if (err < 0) + terminate_walk(nd); + return err; } /* Returns 0 and nd will be valid on success; Retuns error, otherwise. */ -- 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/