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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: Geliang Tang <geliangtang@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Geliang Tang 2015-12-19 00:34:26 +08:00 committed by Greg Kroah-Hartman
parent e3e2e36c10
commit 2f4c8e554b
1 changed files with 5 additions and 10 deletions
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15
drivers/usb/host/fotg210-hcd.c
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@ -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 @@ rescan:
* 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 @@ retry_xacterr:
* 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;
struct fotg210_qtd *qtd, *temp;
list_for_each_safe(entry, temp, qtd_list) {
struct fotg210_qtd *qtd;
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);
}