From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752969AbdDCMUn (ORCPT ); Mon, 3 Apr 2017 08:20:43 -0400 Received: from fllnx210.ext.ti.com ([198.47.19.17]:16440 "EHLO fllnx210.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752523AbdDCMUl (ORCPT ); Mon, 3 Apr 2017 08:20:41 -0400 From: Roger Quadros To: CC: , , , Roger Quadros Subject: [PATCH v3 1/3] usb: udc: allow adding and removing the same gadget device Date: Mon, 3 Apr 2017 15:20:29 +0300 Message-ID: <1491222031-18120-2-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1491222031-18120-1-git-send-email-rogerq@ti.com> References: <1491222031-18120-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org allow usb_del_gadget_udc() and usb add_gadget_udc() to be called repeatedly on the same gadget->dev structure. We need to clear the gadget->dev structure so that kobject_init() doesn't complain about already initialized object. Signed-off-by: Roger Quadros --- drivers/usb/gadget/udc/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index d685d82..efce68e 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -1273,6 +1273,7 @@ void usb_del_gadget_udc(struct usb_gadget *gadget) flush_work(&gadget->work); device_unregister(&udc->dev); device_unregister(&gadget->dev); + memset(&gadget->dev, 0x00, sizeof(gadget->dev)); } EXPORT_SYMBOL_GPL(usb_del_gadget_udc); -- 2.7.4