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Message-Id: <1333637940-31884-5-git-send-email-miklos@szeredi.hu>
Date:	Thu,  5 Apr 2012 16:58:30 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	viro@...IV.linux.org.uk
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	hch@...radead.org, mszeredi@...e.cz
Subject: [PATCH 04/34] vfs: do_last(): use inode variable

From: Miklos Szeredi <mszeredi@...e.cz>

Use helper variable instead of path->dentry->d_inode before complete_walk().
This will allow this code to be used in RCU mode.

Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
---
 fs/namei.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index 0ca5e40..58d1f62 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2389,15 +2389,16 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
 	if (error)
 		nd->flags |= LOOKUP_JUMPED;
 
+	inode = path->dentry->d_inode;
 	error = -ENOENT;
-	if (!path->dentry->d_inode)
+	if (!inode)
 		goto exit_dput;
 
-	if (path->dentry->d_inode->i_op->follow_link)
+	if (inode->i_op->follow_link)
 		return NULL;
 
 	path_to_nameidata(path, nd);
-	nd->inode = path->dentry->d_inode;
+	nd->inode = inode;
 	/* Why this, you ask?  _Now_ we might have grown LOOKUP_JUMPED... */
 	error = complete_walk(nd);
 	if (error)
-- 
1.7.7

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