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usb: gadget: hid: Convert to use list_count_nodes() 

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221130134838.23805-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2022-11-30 15:48:36 +02:00 committed by Greg Kroah-Hartman
parent 4d70c74659
commit 94c6bcec9f
1 changed files with 2 additions and 5 deletions
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7
drivers/usb/gadget/legacy/hid.c
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@ -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_nodes(&hidg_func_list);
if (!funcs)
return -ENODEV;