From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:40140 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752280AbdHDWc5 (ORCPT ); Fri, 4 Aug 2017 18:32:57 -0400 Subject: Patch "vfio-pci: Handle error from pci_iomap" has been added to the 4.4-stable tree To: arvind.yadav.cs@gmail.com, alex.williamson@redhat.com, alexander.levin@verizon.com, gregkh@linuxfoundation.org Cc: , From: Date: Fri, 04 Aug 2017 15:32:55 -0700 Message-ID: <1501885975229131@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 vfio-pci: Handle error from pci_iomap to the 4.4-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: vfio-pci-handle-error-from-pci_iomap.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Fri Aug 4 15:30:20 PDT 2017 From: Arvind Yadav Date: Tue, 3 Jan 2017 17:26:46 +0530 Subject: vfio-pci: Handle error from pci_iomap From: Arvind Yadav [ Upstream commit e19f32da5ded958238eac1bbe001192acef191a2 ] Here, pci_iomap can fail, handle this case release selected pci regions and return -ENOMEM. Signed-off-by: Arvind Yadav Signed-off-by: Alex Williamson Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/vfio/pci/vfio_pci.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -902,6 +902,10 @@ static int vfio_pci_mmap(void *device_da return ret; vdev->barmap[index] = pci_iomap(pdev, index, 0); + if (!vdev->barmap[index]) { + pci_release_selected_regions(pdev, 1 << index); + return -ENOMEM; + } } vma->vm_private_data = vdev; Patches currently in stable-queue which might be from arvind.yadav.cs@gmail.com are queue-4.4/vfio-pci-handle-error-from-pci_iomap.patch queue-4.4/video-fbdev-cobalt_lcdfb-handle-return-null-error-from-devm_ioremap.patch