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usb: host: u132-hcd: use list_for_each_entry

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Use list_for_each_entry() instead of list_for_each() to simplify
the code.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geliang Tang 2015-12-19 00:34:29 +08:00 committed by Greg Kroah-Hartman
parent 7b1585f209
commit 4e5d7a82d3
1 changed files with 6 additions and 12 deletions
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18
drivers/usb/host/u132-hcd.c
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@ -1309,13 +1309,9 @@ static void u132_hcd_ring_work_scheduler(struct work_struct *work)
u132_ring_put_kref(u132, ring);
return;
} else if (ring->curr_endp) {
struct u132_endp *last_endp = ring->curr_endp;
struct list_head *scan;
struct list_head *head = &last_endp->endp_ring;
struct u132_endp *endp, *last_endp = ring->curr_endp;
unsigned long wakeup = 0;
list_for_each(scan, head) {
struct u132_endp *endp = list_entry(scan,
struct u132_endp, endp_ring);
list_for_each_entry(endp, &last_endp->endp_ring, endp_ring) {
if (endp->queue_next == endp->queue_last) {
} else if ((endp->delayed == 0)
|| time_after_eq(jiffies, endp->jiffies)) {
@ -2393,14 +2389,12 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
static int dequeue_from_overflow_chain(struct u132 *u132,
struct u132_endp *endp, struct urb *urb)
{
struct list_head *scan;
struct list_head *head = &endp->urb_more;
list_for_each(scan, head) {
struct u132_urbq *urbq = list_entry(scan, struct u132_urbq,
urb_more);
struct u132_urbq *urbq;
list_for_each_entry(urbq, &endp->urb_more, urb_more) {
if (urbq->urb == urb) {
struct usb_hcd *hcd = u132_to_hcd(u132);
list_del(scan);
list_del(&urbq->urb_more);
endp->queue_size -= 1;
urb->error_count = 0;
usb_hcd_giveback_urb(hcd, urb, 0);