[PATCH 5.15 121/177] usb: xhci-mtk: fix list_del warning when enable list debug

Greg Kroah-Hartman
2021-12-20T15:14:30Z

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

commit ccc14c6cfd346e85c3ecb970975afd5132763437 upstream.

There is warning of 'list_del corruption' when enable list debug
(CONFIG_DEBUG_LIST=y), fix it by using list_del_init()

Fixes: 4ce186665e7c ("usb: xhci-mtk: Do not use xhci's virt_dev in drop_endpoint")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20211209025422.17108-1-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-mtk-sch.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/host/xhci-mtk-sch.c
+++ b/drivers/usb/host/xhci-mtk-sch.c
@@ -781,7 +781,7 @@ int xhci_mtk_check_bandwidth(struct usb_

ret = xhci_check_bandwidth(hcd, udev);
if (!ret)
- INIT_LIST_HEAD(&mtk->bw_ep_chk_list);
+ list_del_init(&mtk->bw_ep_chk_list);

return ret;
}