kill out_dput: in link_path_walk() (7bc055d1) · Commits · 戴 / test

fs/namei.c

+4 −11

Original line number	Diff line number	Diff line
		@@ -1407,22 +1407,19 @@ static int link_path_walk(const char name, struct nameidata nd)
		err = do_lookup(nd, &this, &next, &inode);
		if (err)
		break;
		err = -ENOENT;
		if (!inode)
		goto out_dput;

		if (inode->i_op->follow_link) {
		if (inode && inode->i_op->follow_link) {
		err = do_follow_link(inode, &next, nd);
		if (err)
		goto return_err;
		nd->inode = nd->path.dentry->d_inode;
		err = -ENOENT;
		if (!nd->inode)
		break;
		} else {
		path_to_nameidata(&next, nd);
		nd->inode = inode;
		}
		err = -ENOENT;
		if (!nd->inode)
		break;
		err = -ENOTDIR;
		if (!nd->inode->i_op->lookup)
		break;
		@@ -1472,10 +1469,6 @@ lookup_parent:
		nd->last = this;
		nd->last_type = type;
		return 0;
		out_dput:
		if (!(nd->flags & LOOKUP_RCU))
		path_put_conditional(&next, nd);
		break;
		}
		if (!(nd->flags & LOOKUP_RCU))
		path_put(&nd->path);