[PATCH 5.10 013/120] usb: xhci-mtk: break loop when find the endpoint to drop

Greg Kroah-Hartman
2021-02-08T17:38:26Z

From: Chunfeng Yun <chunfeng.yun@mediatek.com>

commit a50ea34d6dd00a12c9cd29cf7b0fa72816bffbcb upstream.

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>
Link: https://lore.kernel.org/r/1612255104-5363-1-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-mtk-sch.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- 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_h
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);