From nobody Mon Sep 29 22:49:04 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0372C25B0D for ; Tue, 16 Aug 2022 04:44:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232020AbiHPEoH (ORCPT ); Tue, 16 Aug 2022 00:44:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43184 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232244AbiHPEk7 (ORCPT ); Tue, 16 Aug 2022 00:40:59 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6844A7220; Mon, 15 Aug 2022 13:32:59 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6B33B611FE; Mon, 15 Aug 2022 20:32:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5D2DFC4314A; Mon, 15 Aug 2022 20:32:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595577; bh=+J+Q8LniD2ZXHJOSoRNy/SiVung7frjPqTcLHzcd/cE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tddFERDdRtharrdoFnU6dTc0aYwH6lC70qhO+l08mriyKNbbcTvM1dtgAEaSFZcJ+ b0F1nZON7bA7Afbursb2g36yY34htmn8n0h8hmatafOF5Ka2fR8VU9SU9AU7wL+Jah GGM9ni+3PNVHMrEnZgBYUQd6P/jpv7wWzUUatddA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Liang He , Sasha Levin Subject: [PATCH 5.19 0809/1157] usb: aspeed-vhub: Fix refcount leak bug in ast_vhub_init_desc() Date: Mon, 15 Aug 2022 20:02:45 +0200 Message-Id: <20220815180511.855035481@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180439.416659447@linuxfoundation.org> References: <20220815180439.416659447@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Liang He [ Upstream commit 220fafb4ed04187e9c17be4152da5a7f2ffbdd8c ] We should call of_node_put() for the reference returned by of_get_child_by_name() which has increased the refcount. Fixes: 30d2617fd7ed ("usb: gadget: aspeed: allow to set usb strings in devi= ce tree") Signed-off-by: Liang He Link: https://lore.kernel.org/r/20220713120528.368168-1-windhl@126.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/gadget/udc/aspeed-vhub/hub.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/udc/aspeed-vhub/hub.c b/drivers/usb/gadget/= udc/aspeed-vhub/hub.c index 65cd4e46f031..e2207d014620 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/hub.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/hub.c @@ -1059,8 +1059,10 @@ static int ast_vhub_init_desc(struct ast_vhub *vhub) /* Initialize vhub String Descriptors. */ INIT_LIST_HEAD(&vhub->vhub_str_desc); desc_np =3D of_get_child_by_name(vhub_np, "vhub-strings"); - if (desc_np) + if (desc_np) { ret =3D ast_vhub_of_parse_str_desc(vhub, desc_np); + of_node_put(desc_np); + } else ret =3D ast_vhub_str_alloc_add(vhub, &ast_vhub_strings); =20 --=20 2.35.1