Re: [PATCH 5/8] USB: gadget: f_fs: use usb_string_ids_n()

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Hello.

Michal Nazarewicz wrote:

Use usb_string_ids_n() function to simplify string ids
registeration.

Signed-off-by: Michal Nazarewicz <m.nazarewicz@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
[...]
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 3fe120f..ffc0001 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
[...]
@@ -1393,25 +1396,17 @@ static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev)
 	ffs->ep0req->complete = ffs_ep0_complete;
 	ffs->ep0req->context = ffs;
- /* Get strings identifiers */
-	for (count = ffs->strings_count, i = 0; i < count; ++i) {
-		struct usb_gadget_strings **lang;
-
-		int id = usb_string_id(cdev);
-		if (unlikely(id < 0)) {
-			usb_ep_free_request(cdev->gadget->ep0, ffs->ep0req);
-			ffs->ep0req = NULL;
-			return id;
+	lang = ffs->stringtabs;
+	while (*lang) {
+		struct usb_string *str = (*lang)->strings;
+		int id = first_id;
+		for (; str->s; ++id, ++str) {
+			str->id = id;
 		}

   {} not needed here.

WBR, Sergei
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