linux-kernel - [PATCH -next v2] usb: cdns3: cdns3-gadget: Use list_move_tail instead of list_del/list_add

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Date:   Wed, 9 Jun 2021 15:27:20 +0800
From:   Baokun Li <libaokun1@...wei.com>
To:     <linux-kernel@...r.kernel.org>, Peter Chen <peter.chen@...nel.org>,
        "Pawel Laszczak" <pawell@...ence.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>,
        <yangjihong1@...wei.com>, <yukuai3@...wei.com>,
        <libaokun1@...wei.com>, <linux-usb@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH -next v2] usb: cdns3: cdns3-gadget: Use list_move_tail instead of list_del/list_add_tail

Using list_move_tail() instead of list_del() + list_add_tail().

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Baokun Li <libaokun1@...wei.com>
---
V1->V2:
	CC mailist

 drivers/usb/cdns3/cdns3-gadget.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/usb/cdns3/cdns3-gadget.c b/drivers/usb/cdns3/cdns3-gadget.c
index 57adcdbfab5f..5d8c982019af 100644
--- a/drivers/usb/cdns3/cdns3-gadget.c
+++ b/drivers/usb/cdns3/cdns3-gadget.c
@@ -430,9 +430,7 @@ static int cdns3_start_all_request(struct cdns3_device *priv_dev,
 		if (ret)
 			return ret;
 
-		list_del(&request->list);
-		list_add_tail(&request->list,
-			      &priv_ep->pending_req_list);
+		list_move_tail(&request->list, &priv_ep->pending_req_list);
 		if (request->stream_id != 0 || (priv_ep->flags & EP_TDLCHK_EN))
 			break;
 	}