提交 bcce56d5 编写于 作者: A Al Viro

... and fold the renamed __vfs_follow_link() into its only caller

Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
上级 aac34df1
......@@ -660,29 +660,6 @@ static __always_inline void set_root_rcu(struct nameidata *nd)
}
}
static __always_inline int __follow_link(struct nameidata *nd, const char *link)
{
int ret;
if (IS_ERR(link))
goto fail;
if (*link == '/') {
set_root(nd);
path_put(&nd->path);
nd->path = nd->root;
path_get(&nd->root);
nd->flags |= LOOKUP_JUMPED;
}
nd->inode = nd->path.dentry->d_inode;
ret = link_path_walk(link, nd);
return ret;
fail:
path_put(&nd->path);
return PTR_ERR(link);
}
static void path_put_conditional(struct path *path, struct nameidata *nd)
{
dput(path->dentry);
......@@ -874,7 +851,20 @@ follow_link(struct path *link, struct nameidata *nd, void **p)
error = 0;
s = nd_get_link(nd);
if (s) {
error = __follow_link(nd, s);
if (unlikely(IS_ERR(s))) {
path_put(&nd->path);
put_link(nd, link, *p);
return PTR_ERR(s);
}
if (*s == '/') {
set_root(nd);
path_put(&nd->path);
nd->path = nd->root;
path_get(&nd->root);
nd->flags |= LOOKUP_JUMPED;
}
nd->inode = nd->path.dentry->d_inode;
error = link_path_walk(s, nd);
if (unlikely(error))
put_link(nd, link, *p);
}
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册