From patchwork Tue Jun 9 19:03:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 11596467 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 C7ED6739 for ; Tue, 9 Jun 2020 19:12:39 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A5D4A2067B for ; Tue, 9 Jun 2020 19:12:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A5D4A2067B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=irrelevant.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:52992 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jijfq-0002A1-SW for patchwork-qemu-devel@patchwork.kernel.org; Tue, 09 Jun 2020 15:12:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44746) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jijXk-0006X4-9R; Tue, 09 Jun 2020 15:04:16 -0400 Received: from charlie.dont.surf ([128.199.63.193]:40354) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jijXh-0006lt-PY; Tue, 09 Jun 2020 15:04:15 -0400 Received: from apples.local (80-167-98-190-cable.dk.customer.tdc.net [80.167.98.190]) by charlie.dont.surf (Postfix) with ESMTPSA id A124CBFB1B; Tue, 9 Jun 2020 19:03:51 +0000 (UTC) From: Klaus Jensen To: qemu-block@nongnu.org Subject: [PATCH v7 22/22] hw/block/nvme: verify msix_init_exclusive_bar() return value Date: Tue, 9 Jun 2020 21:03:33 +0200 Message-Id: <20200609190333.59390-23-its@irrelevant.dk> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200609190333.59390-1-its@irrelevant.dk> References: <20200609190333.59390-1-its@irrelevant.dk> MIME-Version: 1.0 Received-SPF: pass client-ip=128.199.63.193; envelope-from=its@irrelevant.dk; helo=charlie.dont.surf X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/09 14:38:46 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Klaus Jensen , qemu-devel@nongnu.org, Max Reitz , Klaus Jensen , Keith Busch , Javier Gonzalez , Maxim Levitsky , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen Pass an Error to msix_init_exclusive_bar() and check it. Signed-off-by: Klaus Jensen --- hw/block/nvme.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index acc6dbc900e2..2a2e43f681f9 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1522,7 +1522,7 @@ static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmrdev->mr); } -static void nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev) +static void nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) { uint8_t *pci_conf = pci_dev->config; @@ -1535,7 +1535,9 @@ static void nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev) n->reg_size); pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64, &n->iomem); - msix_init_exclusive_bar(pci_dev, n->params.msix_qsize, 4, NULL); + if (msix_init_exclusive_bar(pci_dev, n->params.msix_qsize, 4, errp)) { + return; + } if (n->params.cmb_size_mb) { nvme_init_cmb(n, pci_dev); @@ -1603,7 +1605,12 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) return; } - nvme_init_pci(n, pci_dev); + nvme_init_pci(n, pci_dev, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + nvme_init_ctrl(n, pci_dev); for (i = 0; i < n->num_namespaces; i++) {