From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:43998 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752275AbbLQXCA (ORCPT ); Thu, 17 Dec 2015 18:02:00 -0500 Subject: Patch "USB: whci-hcd: add check for dma mapping error" has been added to the 4.3-stable tree To: khoroshilov@ispras.ru, gregkh@linuxfoundation.org Cc: , From: Date: Thu, 17 Dec 2015 15:01:56 -0800 Message-ID: <145039331629247@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled USB: whci-hcd: add check for dma mapping error to the 4.3-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-whci-hcd-add-check-for-dma-mapping-error.patch and it can be found in the queue-4.3 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From f9fa1887dcf26bd346665a6ae3d3f53dec54cba1 Mon Sep 17 00:00:00 2001 From: Alexey Khoroshilov Date: Sat, 21 Nov 2015 00:36:44 +0300 Subject: USB: whci-hcd: add check for dma mapping error From: Alexey Khoroshilov commit f9fa1887dcf26bd346665a6ae3d3f53dec54cba1 upstream. qset_fill_page_list() do not check for dma mapping errors. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/whci/qset.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/usb/host/whci/qset.c +++ b/drivers/usb/host/whci/qset.c @@ -377,6 +377,10 @@ static int qset_fill_page_list(struct wh if (std->pl_virt == NULL) return -ENOMEM; std->dma_addr = dma_map_single(whc->wusbhc.dev, std->pl_virt, pl_len, DMA_TO_DEVICE); + if (dma_mapping_error(whc->wusbhc.dev, std->dma_addr)) { + kfree(std->pl_virt); + return -EFAULT; + } for (p = 0; p < std->num_pointers; p++) { std->pl_virt[p].buf_ptr = cpu_to_le64(dma_addr); Patches currently in stable-queue which might be from khoroshilov@ispras.ru are queue-4.3/usb-whci-hcd-add-check-for-dma-mapping-error.patch