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DG9EMkK8IBXnLulqVk54kf7fE0jT/d8RTtJIA92GzsgdK2rpT1MBKKVffjRFGwN7nQVOzi4T XrB5p+6ML7Bd84xOEGsj/vdaXmz1esuH7BOZAGEZfLRCHJ0GVCSssg== Message-ID: Date: Fri, 26 Apr 2019 17:50:22 +1000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <155568823785.601037.2151744205292679252.stgit@bahia.lan> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 20/04/2019 01:37, Greg Kurz wrote: > If vfio_pci_register_dev_region() fails then we should rollback > previous changes, ie. unmap the ATSD registers. > > Signed-off-by: Greg Kurz > --- > drivers/vfio/pci/vfio_pci_nvlink2.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c > index 32f695ffe128..50fe3c4f7feb 100644 > --- a/drivers/vfio/pci/vfio_pci_nvlink2.c > +++ b/drivers/vfio/pci/vfio_pci_nvlink2.c > @@ -472,6 +472,8 @@ int vfio_pci_ibm_npu2_init(struct vfio_pci_device *vdev) > return 0; > > free_exit: > + if (data->base) > + memunmap(data->base); > kfree(data); > > return ret; > Reviewed-by: Alexey Kardashevskiy -- Alexey From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0EBBAC43219 for ; Fri, 26 Apr 2019 07:52:07 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 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List-Help: List-Subscribe: , Cc: Alex Williamson , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 20/04/2019 01:37, Greg Kurz wrote: > If vfio_pci_register_dev_region() fails then we should rollback > previous changes, ie. unmap the ATSD registers. > > Signed-off-by: Greg Kurz > --- > drivers/vfio/pci/vfio_pci_nvlink2.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c > index 32f695ffe128..50fe3c4f7feb 100644 > --- a/drivers/vfio/pci/vfio_pci_nvlink2.c > +++ b/drivers/vfio/pci/vfio_pci_nvlink2.c > @@ -472,6 +472,8 @@ int vfio_pci_ibm_npu2_init(struct vfio_pci_device *vdev) > return 0; > > free_exit: > + if (data->base) > + memunmap(data->base); > kfree(data); > > return ret; > Reviewed-by: Alexey Kardashevskiy -- Alexey