From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753406AbdLMCro (ORCPT ); Tue, 12 Dec 2017 21:47:44 -0500 Received: from fldsmtpe03.verizon.com ([140.108.26.142]:49833 "EHLO fldsmtpe03.verizon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752799AbdLMB5O (ORCPT ); Tue, 12 Dec 2017 20:57:14 -0500 From: alexander.levin@verizon.com Cc: "Gustavo A. R. Silva" , Felipe Balbi , alexander.levin@verizon.com X-Host: mariner.tdc.vzwcorp.com To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Subject: [PATCH AUTOSEL for 4.9 022/100] usb: gadget: udc: remove pointer dereference after free Thread-Topic: [PATCH AUTOSEL for 4.9 022/100] usb: gadget: udc: remove pointer dereference after free Thread-Index: AQHTc7WR0+XrBfzCh0+CrPvpjI+FDA== Date: Wed, 13 Dec 2017 01:56:19 +0000 Message-ID: <20171213015606.6568-22-alexander.levin@verizon.com> References: <20171213015606.6568-1-alexander.levin@verizon.com> In-Reply-To: <20171213015606.6568-1-alexander.levin@verizon.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.144.60.250] Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by nfs id vBD2lnnH024581 From: "Gustavo A. R. Silva" [ Upstream commit 1f459262b0e1649a1e5ad12fa4c66eb76c2220ce ] Remove pointer dereference after free. Addresses-Coverity-ID: 1091173 Acked-by: Michal Nazarewicz Signed-off-by: Gustavo A. R. Silva Signed-off-by: Felipe Balbi Signed-off-by: Sasha Levin --- drivers/usb/gadget/udc/pch_udc.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index a97da645c1b9..8a365aad66fe 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -1523,7 +1523,6 @@ static void pch_udc_free_dma_chain(struct pch_udc_dev *dev, td = phys_to_virt(addr); addr2 = (dma_addr_t)td->next; pci_pool_free(dev->data_requests, td, addr); - td->next = 0x00; addr = addr2; } req->chain_len = 1; -- 2.11.0