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Commit 2f4c8e55 authored by Geliang Tang's avatar Geliang Tang Committed by Greg Kroah-Hartman
Browse files

usb: host: fotg210: 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: default avatarGeliang Tang <geliangtang@163.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e3e2e36c

drivers/usb/host/fotg210-hcd.c

+5 −10
Original line number Diff line number Diff line
@@ -2267,7 +2267,7 @@ static unsigned qh_completions(struct fotg210_hcd *fotg210, 
		struct fotg210_qh *qh)

{

	struct fotg210_qtd *last, *end = qh->dummy;

	struct list_head *entry, *tmp;

	struct fotg210_qtd *qtd, *tmp;

	int last_status;

	int stopped;

	unsigned count = 0;
@@ -2301,12 +2301,10 @@ static unsigned qh_completions(struct fotg210_hcd *fotg210, 
	 * then let the queue advance.

	 * if queue is stopped, handles unlinks.

	 */

	list_for_each_safe(entry, tmp, &qh->qtd_list) {

		struct fotg210_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 fotg210_qtd, qtd_list);

		urb = qtd->urb;



		/* clean up any state from previous QTD ...*/
@@ -2544,14 +2542,11 @@ static unsigned qh_completions(struct fotg210_hcd *fotg210, 
 * used for cleanup after errors, before HC sees an URB's TDs.

 */

static void qtd_list_free(struct fotg210_hcd *fotg210, struct urb *urb,

		struct list_head *qtd_list)

		struct list_head *head)

{

	struct list_head *entry, *temp;



	list_for_each_safe(entry, temp, qtd_list) {

		struct fotg210_qtd *qtd;

	struct fotg210_qtd *qtd, *temp;



		qtd = list_entry(entry, struct fotg210_qtd, qtd_list);

	list_for_each_entry_safe(qtd, temp, head, qtd_list) {

		list_del(&qtd->qtd_list);

		fotg210_qtd_free(fotg210, qtd);

	}