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vfs: do_last(): use inode variable

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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@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Miklos Szeredi 2012-05-21 17:30:08 +02:00 committed by Al Viro
parent a1eb331530
commit decf340087
1 changed files with 5 additions and 3 deletions
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8
fs/namei.c
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@ -2358,15 +2358,17 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
if (error)
nd->flags |= LOOKUP_JUMPED;
BUG_ON(nd->flags & LOOKUP_RCU);
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)