Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751972Ab0FGMj0 (ORCPT ); Mon, 7 Jun 2010 08:39:26 -0400 Received: from mailout1.w1.samsung.com ([210.118.77.11]:35000 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751210Ab0FGMjW (ORCPT ); Mon, 7 Jun 2010 08:39:22 -0400 Date: Mon, 07 Jun 2010 14:39:52 +0200 From: Michal Nazarewicz Subject: [PATCHv4 05/13] USB: gadget: f_fs: use usb_string_ids_n() In-reply-to: To: linux-usb@vger.kernel.org, linux-usb@vger.kernel.org Cc: David Brownell , Kyungmin Park , Marek Szyprowski , linux-kernel@vger.kernel.org Message-id: <7781ec0d22fa9dde7afbd3bf915af1a592780938.1275906835.git.m.nazarewicz@samsung.com> MIME-version: 1.0 X-Mailer: git-send-email 1.7.1 Content-type: TEXT/PLAIN Content-transfer-encoding: 7BIT References: <72866638a69b660e3eb534330937955d15dde4de.1275906835.git.m.nazarewicz@samsung.com> <897d8ae37d4fa2fdb7dad8787add81c720581313.1275906835.git.m.nazarewicz@samsung.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2219 Lines: 75 Use usb_string_ids_n() function to simplify string ids registeration. Signed-off-by: Michal Nazarewicz Signed-off-by: Kyungmin Park --- drivers/usb/gadget/f_fs.c | 30 ++++++++++++------------------ 1 files changed, 12 insertions(+), 18 deletions(-) diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 3fe120f..97c2ac2 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1377,7 +1377,8 @@ static void ffs_data_reset(struct ffs_data *ffs) static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev) { - unsigned i, count; + struct usb_gadget_strings **lang; + int first_id; ENTER(); @@ -1385,7 +1386,9 @@ static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev) || test_and_set_bit(FFS_FL_BOUND, &ffs->flags))) return -EBADFD; - ffs_data_get(ffs); + first_id = usb_string_ids_n(cdev, ffs->strings_count); + if (unlikely(first_id < 0)) + return first_id; ffs->ep0req = usb_ep_alloc_request(cdev->gadget->ep0, GFP_KERNEL); if (unlikely(!ffs->ep0req)) @@ -1393,25 +1396,16 @@ 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; - do { - (*lang)->strings[i].id = id; - ++lang; - } while (*lang); + lang = ffs->stringtabs; + for (lang = ffs->stringtabs; *lang; ++lang) { + struct usb_string *str = (*lang)->strings; + int id = first_id; + for (; str->s; ++id, ++str) + str->id = id; } ffs->gadget = cdev->gadget; + ffs_data_get(ffs); return 0; } -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/