From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:41536 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726451AbeHWLZb (ORCPT ); Thu, 23 Aug 2018 07:25:31 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stefan Wahren , Marek Szyprowski , Minas Harutyunyan , Grigor Tovmasyan , Felipe Balbi , Sasha Levin Subject: [PATCH 4.4 11/79] usb: gadget: dwc2: fix memory leak in gadget_init() Date: Thu, 23 Aug 2018 09:52:47 +0200 Message-Id: <20180823074919.407815478@linuxfoundation.org> In-Reply-To: <20180823074918.641878835@linuxfoundation.org> References: <20180823074918.641878835@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Grigor Tovmasyan [ Upstream commit 9bb073a053f0464ea74a4d4c331fdb7da58568d6 ] Freed allocated request for ep0 to prevent memory leak in case when dwc2_driver_probe() failed. Cc: Stefan Wahren Cc: Marek Szyprowski Tested-by: Stefan Wahren Tested-by: Marek Szyprowski Acked-by: Minas Harutyunyan Signed-off-by: Grigor Tovmasyan Signed-off-by: Felipe Balbi Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc2/gadget.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -3657,9 +3657,11 @@ int dwc2_gadget_init(struct dwc2_hsotg * } ret = usb_add_gadget_udc(dev, &hsotg->gadget); - if (ret) + if (ret) { + dwc2_hsotg_ep_free_request(&hsotg->eps_out[0]->ep, + hsotg->ctrl_req); return ret; - + } dwc2_hsotg_dump(hsotg); return 0; @@ -3672,6 +3674,7 @@ int dwc2_gadget_init(struct dwc2_hsotg * int dwc2_hsotg_remove(struct dwc2_hsotg *hsotg) { usb_del_gadget_udc(&hsotg->gadget); + dwc2_hsotg_ep_free_request(&hsotg->eps_out[0]->ep, hsotg->ctrl_req); return 0; }