From patchwork Tue Apr 24 02:52:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 10358549 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B483D6038F for ; Tue, 24 Apr 2018 02:54:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A674928776 for ; Tue, 24 Apr 2018 02:54:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9A670288B9; Tue, 24 Apr 2018 02:54:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 393E428776 for ; Tue, 24 Apr 2018 02:54:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932770AbeDXCxe (ORCPT ); Mon, 23 Apr 2018 22:53:34 -0400 Received: from Mailgw01.mediatek.com ([1.203.163.78]:63440 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S932750AbeDXCxd (ORCPT ); Mon, 23 Apr 2018 22:53:33 -0400 X-UUID: e766611cc9db41e59641833063401b5b-20180424 Received: from mtkcas34.mediatek.inc [(172.27.4.250)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 846384212; Tue, 24 Apr 2018 10:53:29 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by MTKMBS31N2.mediatek.inc (172.27.4.87) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Tue, 24 Apr 2018 10:53:28 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Tue, 24 Apr 2018 10:53:26 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Felipe Balbi CC: Matthias Brugger , Chunfeng Yun , , , , , Subject: [PATCH 1/5] usb: mtu3: avoid TX data length truncated in SS/SSP mode Date: Tue, 24 Apr 2018 10:52:46 +0800 Message-ID: <3b0c7ca576fee8220d63c9914483b70b0fbc8783.1524537854.git.chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-MTK: N Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The variable of 'count' is declared as u8, this will cause an issue due to value truncated when works in SS or SSP mode and data length is greater than 255, so change it as u32. Signed-off-by: Chunfeng Yun --- drivers/usb/mtu3/mtu3_gadget_ep0.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/mtu3/mtu3_gadget_ep0.c b/drivers/usb/mtu3/mtu3_gadget_ep0.c index ebdcf7a..d67b540 100644 --- a/drivers/usb/mtu3/mtu3_gadget_ep0.c +++ b/drivers/usb/mtu3/mtu3_gadget_ep0.c @@ -546,7 +546,7 @@ static void ep0_tx_state(struct mtu3 *mtu) struct usb_request *req; u32 csr; u8 *src; - u8 count; + u32 count; u32 maxp; dev_dbg(mtu->dev, "%s\n", __func__);