From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1162085AbcA0WAH (ORCPT ); Wed, 27 Jan 2016 17:00:07 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:42502 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754809AbcA0UgN (ORCPT ); Wed, 27 Jan 2016 15:36:13 -0500 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Oliver Neukum , Greg Kroah-Hartman , Kamal Mostafa Subject: [PATCH 4.2.y-ckt 014/268] xhci: refuse loading if nousb is used Date: Wed, 27 Jan 2016 12:31:15 -0800 Message-Id: <1453926929-17663-15-git-send-email-kamal@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1453926929-17663-1-git-send-email-kamal@canonical.com> References: <1453926929-17663-1-git-send-email-kamal@canonical.com> X-Extended-Stable: 4.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.2.8-ckt3 -stable review patch. If anyone has any objections, please let me know. ---8<------------------------------------------------------------ From: Oliver Neukum commit 1eaf35e4dd592c59041bc1ed3248c46326da1f5f upstream. The module should fail to load. Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman Signed-off-by: Kamal Mostafa --- drivers/usb/host/xhci.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index b30f55e..8fe947c 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -5046,6 +5046,10 @@ static int __init xhci_hcd_init(void) BUILD_BUG_ON(sizeof(struct xhci_intr_reg) != 8*32/8); /* xhci_run_regs has eight fields and embeds 128 xhci_intr_regs */ BUILD_BUG_ON(sizeof(struct xhci_run_regs) != (8+8*128)*32/8); + + if (usb_disabled()) + return -ENODEV; + return 0; } -- 1.9.1