From patchwork Mon Apr 27 14:21:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yongjun X-Patchwork-Id: 11512341 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 24AC892A for ; Mon, 27 Apr 2020 14:20:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 14CD4206BF for ; Mon, 27 Apr 2020 14:20:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728091AbgD0OUJ (ORCPT ); Mon, 27 Apr 2020 10:20:09 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:56270 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727824AbgD0OUI (ORCPT ); Mon, 27 Apr 2020 10:20:08 -0400 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 677F97D47990EB50A228; Mon, 27 Apr 2020 22:20:01 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.487.0; Mon, 27 Apr 2020 22:19:51 +0800 From: Wei Yongjun To: Kirti Wankhede CC: Wei Yongjun , , Subject: [PATCH -next] samples: vfio-mdev: fix error return code in mdpy_fb_probe() Date: Mon, 27 Apr 2020 14:21:10 +0000 Message-ID: <20200427142110.56121-1-weiyongjun1@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Fix to return negative error code -ENOMEM from the error handling case instead of 0, as done elsewhere in this function. Signed-off-by: Wei Yongjun --- samples/vfio-mdev/mdpy-fb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/samples/vfio-mdev/mdpy-fb.c b/samples/vfio-mdev/mdpy-fb.c index 21dbf63d6e41..d4abc0594dbd 100644 --- a/samples/vfio-mdev/mdpy-fb.c +++ b/samples/vfio-mdev/mdpy-fb.c @@ -131,8 +131,10 @@ static int mdpy_fb_probe(struct pci_dev *pdev, width, height); info = framebuffer_alloc(sizeof(struct mdpy_fb_par), &pdev->dev); - if (!info) + if (!info) { + ret = -ENOMEM; goto err_release_regions; + } pci_set_drvdata(pdev, info); par = info->par;