linux-kernel - [PATCH 7/9] usb: dwc2: host: use list_for_each_entry

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Date:	Sat, 19 Dec 2015 00:34:32 +0800
From:	Geliang Tang <geliangtang@....com>
To:	John Youn <johnyoun@...opsys.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Geliang Tang <geliangtang@....com>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 7/9] usb: dwc2: host: use list_for_each_entry_safe

Use list_for_each_entry_safe() instead of list_for_each_safe() to
simplify the code.

Signed-off-by: Geliang Tang <geliangtang@....com>
---
 drivers/usb/dwc2/hcd_ddma.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/dwc2/hcd_ddma.c b/drivers/usb/dwc2/hcd_ddma.c
index 36606fc..14e004d 100644
--- a/drivers/usb/dwc2/hcd_ddma.c
+++ b/drivers/usb/dwc2/hcd_ddma.c
@@ -1222,9 +1222,8 @@ static void dwc2_complete_non_isoc_xfer_ddma(struct dwc2_hsotg *hsotg,
 					     int chnum,
 					     enum dwc2_halt_status halt_status)
 {
-	struct list_head *qtd_item, *qtd_tmp;
 	struct dwc2_qh *qh = chan->qh;
-	struct dwc2_qtd *qtd = NULL;
+	struct dwc2_qtd *qtd = NULL, *tmp;
 	int xfer_done;
 	int desc_num = 0;
 
@@ -1234,10 +1233,9 @@ static void dwc2_complete_non_isoc_xfer_ddma(struct dwc2_hsotg *hsotg,
 		return;
 	}
 
-	list_for_each_safe(qtd_item, qtd_tmp, &qh->qtd_list) {
+	list_for_each_entry_safe(qtd, tmp, &qh->qtd_list, qtd_list_entry) {
 		int i;
 
-		qtd = list_entry(qtd_item, struct dwc2_qtd, qtd_list_entry);
 		xfer_done = 0;
 
 		for (i = 0; i < qtd->n_desc; i++) {
-- 
2.5.0


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