From patchwork Tue Feb 2 08:38:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 12061123 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E07AC433E0 for ; Tue, 2 Feb 2021 08:39:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C671464F58 for ; Tue, 2 Feb 2021 08:39:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232523AbhBBIjk (ORCPT ); Tue, 2 Feb 2021 03:39:40 -0500 Received: from mailgw02.mediatek.com ([1.203.163.81]:48355 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S231538AbhBBIjh (ORCPT ); Tue, 2 Feb 2021 03:39:37 -0500 X-UUID: 8f11d486a71149cca7d168ee12aef293-20210202 X-UUID: 8f11d486a71149cca7d168ee12aef293-20210202 Received: from mtkcas32.mediatek.inc [(172.27.4.253)] by mailgw02.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 435550767; Tue, 02 Feb 2021 16:38:43 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by MTKMBS31N2.mediatek.inc (172.27.4.87) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 2 Feb 2021 16:38:40 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 2 Feb 2021 16:38:40 +0800 From: Chunfeng Yun To: Mathias Nyman , Greg Kroah-Hartman , Ikjoon Jang CC: Matthias Brugger , Chunfeng Yun , , , , , Zhanyong Wang , Tianping Fang , stable Subject: [PATCH next] usb: xhci-mtk: break loop when find the endpoint to drop Date: Tue, 2 Feb 2021 16:38:24 +0800 Message-ID: <1612255104-5363-1-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty MIME-Version: 1.0 X-TM-SNTS-SMTP: E273454B680D21EEE534227D442FE4AE8A972EA8CF78BED64B96D2EEA019C50F2000:8 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org No need to check the following endpoints after finding the endpoint wanted to drop. Fixes: 54f6a8af3722 ("usb: xhci-mtk: skip dropping bandwidth of unchecked endpoints") Cc: stable Reported-by: Ikjoon Jang Signed-off-by: Chunfeng Yun --- drivers/usb/host/xhci-mtk-sch.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c index dee8a329076d..b45e5bf08997 100644 --- a/drivers/usb/host/xhci-mtk-sch.c +++ b/drivers/usb/host/xhci-mtk-sch.c @@ -689,8 +689,10 @@ void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev, sch_bw = &sch_array[bw_index]; list_for_each_entry_safe(sch_ep, tmp, &sch_bw->bw_ep_list, endpoint) { - if (sch_ep->ep == ep) + if (sch_ep->ep == ep) { destroy_sch_ep(udev, sch_bw, sch_ep); + break; + } } } EXPORT_SYMBOL_GPL(xhci_mtk_drop_ep_quirk);