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From: Chunfeng Yun <chunfeng.yun@mediatek.com>
To: Mathias Nyman <mathias.nyman@intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Ikjoon Jang <ikjn@chromium.org>
Cc: Zhanyong Wang <zhanyong.wang@mediatek.com>,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	stable <stable@vger.kernel.org>,
	Tianping Fang <tianping.fang@mediatek.com>,
	Chunfeng Yun <chunfeng.yun@mediatek.com>,
	linux-mediatek@lists.infradead.org,
	Matthias Brugger <matthias.bgg@gmail.com>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH next] usb: xhci-mtk: break loop when find the endpoint to drop
Date: Tue, 2 Feb 2021 16:38:24 +0800	[thread overview]
Message-ID: <1612255104-5363-1-git-send-email-chunfeng.yun@mediatek.com> (raw)

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 <stable@vger.kernel.org>
Reported-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
 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);
-- 
2.18.0
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                 reply	other threads:[~2021-02-02  8:40 UTC|newest]

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