[PATCH v3 2/4] usb: gadget: hid: Convert to use list_count()

Andy Shevchenko
2022-11-22T15:35:38Z

The list API now provides the list_count() to help with counting
existing nodes in the list. Utilise it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
v3: fixed typo in the commit message (Fabio)
v2: no change
drivers/usb/gadget/legacy/hid.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/gadget/legacy/hid.c b/drivers/usb/gadget/legacy/hid.c
index 1187ee4f316a..6196c3456e0b 100644
--- a/drivers/usb/gadget/legacy/hid.c
+++ b/drivers/usb/gadget/legacy/hid.c
@@ -133,14 +133,11 @@ static struct usb_configuration config_driver = {
static int hid_bind(struct usb_composite_dev *cdev)
{
struct usb_gadget *gadget = cdev->gadget;
- struct list_head *tmp;
struct hidg_func_node *n = NULL, *m, *iter_n;
struct f_hid_opts *hid_opts;
- int status, funcs = 0;
-
- list_for_each(tmp, &hidg_func_list)
- funcs++;
+ int status, funcs;

+ funcs = list_count(&hidg_func_list);
if (!funcs)
return -ENODEV;

--
2.35.1