usb: chipidea: debug: use list_for_each_entry

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>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c
index a4f7db2e18dd..de5c5092d078 100644
--- a/drivers/usb/chipidea/debug.c
+++ b/drivers/usb/chipidea/debug.c
@@ -172,7 +172,6 @@ static int ci_requests_show(struct seq_file *s, void *data)
 {
         struct ci_hdrc *ci = s->private;
         unsigned long flags;
-        struct list_head   *ptr = NULL;
         struct ci_hw_req *req = NULL;
         struct td_node *node, *tmpnode;
         unsigned i, j, qsize = sizeof(struct ci_hw_td)/sizeof(u32);
@@ -184,9 +183,7 @@ static int ci_requests_show(struct seq_file *s, void *data)
 
         spin_lock_irqsave(&ci->lock, flags);
         for (i = 0; i < ci->hw_ep_max; i++)
-                list_for_each(ptr, &ci->ci_hw_ep[i].qh.queue) {
-                        req = list_entry(ptr, struct ci_hw_req, queue);
-
+                list_for_each_entry(req, &ci->ci_hw_ep[i].qh.queue, queue) {
                         list_for_each_entry_safe(node, tmpnode, &req->tds, td) {
                                 seq_printf(s, "EP=%02i: TD=%08X %s\n",
                                            i % (ci->hw_ep_max / 2),