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Groups > linux.kernel > #1295018

[PATCH 3/9] usb: host: oxu210hp-hcd: use list_for_each_entry_safe

From Geliang Tang <geliangtang@163.com>
Newsgroups linux.kernel
Subject [PATCH 3/9] usb: host: oxu210hp-hcd: use list_for_each_entry_safe
Date 2015-12-18 17:40 +0100
Message-ID <qH6ev-82w-43@gated-at.bofh.it> (permalink)
References <qH6et-82w-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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

Signed-off-by: Geliang Tang <geliangtang@163.com>
---
 drivers/usb/host/oxu210hp-hcd.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c
index bc74aca..4e4d601 100644
--- a/drivers/usb/host/oxu210hp-hcd.c
+++ b/drivers/usb/host/oxu210hp-hcd.c
@@ -981,7 +981,7 @@ static int qh_schedule(struct oxu_hcd *oxu, struct ehci_qh *qh);
 static unsigned qh_completions(struct oxu_hcd *oxu, struct ehci_qh *qh)
 {
 	struct ehci_qtd *last = NULL, *end = qh->dummy;
-	struct list_head *entry, *tmp;
+	struct ehci_qtd	*qtd, *tmp;
 	int stopped;
 	unsigned count = 0;
 	int do_status = 0;
@@ -1006,12 +1006,10 @@ static unsigned qh_completions(struct oxu_hcd *oxu, struct ehci_qh *qh)
 	 * then let the queue advance.
 	 * if queue is stopped, handles unlinks.
 	 */
-	list_for_each_safe(entry, tmp, &qh->qtd_list) {
-		struct ehci_qtd	*qtd;
+	list_for_each_entry_safe(qtd, tmp, &qh->qtd_list, qtd_list) {
 		struct urb *urb;
 		u32 token = 0;
 
-		qtd = list_entry(entry, struct ehci_qtd, qtd_list);
 		urb = qtd->urb;
 
 		/* Clean up any state from previous QTD ...*/
@@ -1174,14 +1172,11 @@ halt:
  * used for cleanup after errors, before HC sees an URB's TDs.
  */
 static void qtd_list_free(struct oxu_hcd *oxu,
-				struct urb *urb, struct list_head *qtd_list)
+				struct urb *urb, struct list_head *head)
 {
-	struct list_head *entry, *temp;
-
-	list_for_each_safe(entry, temp, qtd_list) {
-		struct ehci_qtd	*qtd;
+	struct ehci_qtd	*qtd, *temp;
 
-		qtd = list_entry(entry, struct ehci_qtd, qtd_list);
+	list_for_each_entry_safe(qtd, temp, head, qtd_list) {
 		list_del(&qtd->qtd_list);
 		oxu_qtd_free(oxu, qtd);
 	}
-- 
2.5.0


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Thread

[PATCH 1/9] usb: host: fotg210: use list_for_each_entry_safe Geliang Tang <geliangtang@163.com> - 2015-12-18 17:40 +0100
  [PATCH 6/9] usb: chipidea: debug: use list_for_each_entry Geliang Tang <geliangtang@163.com> - 2015-12-18 17:40 +0100
    Re: [PATCH 6/9] usb: chipidea: debug: use list_for_each_entry Peter Chen <hzpeterchen@gmail.com> - 2015-12-25 08:50 +0100
  [PATCH 5/9] usb: xhci: use list_for_each_entry Geliang Tang <geliangtang@163.com> - 2015-12-18 17:40 +0100
  [PATCH 3/9] usb: host: oxu210hp-hcd: use list_for_each_entry_safe Geliang Tang <geliangtang@163.com> - 2015-12-18 17:40 +0100
  [PATCH 4/9] usb: host: u132-hcd: use list_for_each_entry Geliang Tang <geliangtang@163.com> - 2015-12-18 17:40 +0100
  [PATCH 8/9] usb: gadget: rndis: use list_for_each_entry_safe Geliang Tang <geliangtang@163.com> - 2015-12-18 17:40 +0100
    Re: [PATCH 8/9] usb: gadget: rndis: use list_for_each_entry_safe Felipe Balbi <balbi@ti.com> - 2015-12-22 19:10 +0100
      [PATCH 8/9 v2] usb: gadget: rndis: use list_for_each_entry_safe Geliang Tang <geliangtang@163.com> - 2015-12-23 15:00 +0100

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