}
EXPORT_SYMBOL(d_find_any_alias);
-struct dentry *__d_obtain_alias(struct inode *inode, int disconnected)
+static struct dentry *__d_obtain_alias(struct inode *inode, int disconnected)
{
static const struct qstr anonstring = QSTR_INIT("/", 1);
struct dentry *tmp;
dput(new);
return ERR_PTR(-EIO);
}
+ if (d_ancestor(new, dentry)) {
+ spin_unlock(&inode->i_lock);
+ dput(new);
+ return ERR_PTR(-EIO);
+ }
write_seqlock(&rename_lock);
__d_materialise_dentry(dentry, new);
write_sequnlock(&rename_lock);