From nobody Fri Oct 25 15:40:47 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1675704570; cv=none; d=zohomail.com; s=zohoarc; b=H6AWVIE8QZuwLKKqh0SRfDNTLJrh/M2RLRAhxdaJBeyVnNFenimyafdS5U4L1RCY+h409YNHRuAPs63FDCOjhdvvkWbNArwdGzGJq5A24noZbUSkaXQ42da5v9aRdlET6VGHVhAUOTXhYMW8Ed1c8Xpr+Q7/BgsVCKzkjFOdz4E= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1675704570; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=CS1Y+NYCvwIzifH7So1aaSJi10QpbukUwD5sGJGwU4Y=; b=BmLujuDIR9W9uHz6M3tI+7raNXHFx2wJRaN77bjPHt17E1sg2OrE2Uu4ExbUZ2cC97LRdP0YpJnCC6NhoyEM7UxYXj8g3TZ14KGJ3ykzBeIxZrClEBZHpfhNnkBd4YhUINaTloE4+zqw7si3bQMgdRMSX8//OvBTVkr8pcc0JpY= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1675704570498756.0653376655914; Mon, 6 Feb 2023 09:29:30 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pP5IR-0006LX-IY; Mon, 06 Feb 2023 12:28:51 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pP5IO-0006LB-IS for qemu-devel@nongnu.org; Mon, 06 Feb 2023 12:28:49 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pP5IN-00052d-1c for qemu-devel@nongnu.org; Mon, 06 Feb 2023 12:28:48 -0500 Received: from lhrpeml500005.china.huawei.com (unknown [172.18.147.206]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4P9Y9S0Flcz67Mww; Tue, 7 Feb 2023 01:27:24 +0800 (CST) Received: from SecurePC-101-06.china.huawei.com (10.122.247.231) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.17; Mon, 6 Feb 2023 17:28:41 +0000 To: , Michael Tsirkin CC: Ben Widawsky , , , Ira Weiny , Gregory Price , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v4 01/10] hw/mem/cxl_type3: Improve error handling in realize() Date: Mon, 6 Feb 2023 17:28:07 +0000 Message-ID: <20230206172816.8201-2-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230206172816.8201-1-Jonathan.Cameron@huawei.com> References: <20230206172816.8201-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhrpeml100005.china.huawei.com (7.191.160.25) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Jonathan Cameron From: Jonathan Cameron via Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZM-MESSAGEID: 1675704571165100001 Content-Type: text/plain; charset="utf-8" msix_init_exclusive_bar() can fail, so if it does cleanup the address space. Reviewed-by: Ira Weiny Reviewed-by: Gregory Price Tested-by: Gregory Price Signed-off-by: Jonathan Cameron Reviewed-by: Fan Ni --- hw/mem/cxl_type3.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c index dae4fd89ca..252822bd82 100644 --- a/hw/mem/cxl_type3.c +++ b/hw/mem/cxl_type3.c @@ -401,7 +401,7 @@ static void ct3_realize(PCIDevice *pci_dev, Error **err= p) MemoryRegion *mr =3D ®s->component_registers; uint8_t *pci_conf =3D pci_dev->config; unsigned short msix_num =3D 1; - int i; + int i, rc; =20 if (!cxl_setup_memory(ct3d, errp)) { return; @@ -438,7 +438,10 @@ static void ct3_realize(PCIDevice *pci_dev, Error **er= rp) &ct3d->cxl_dstate.device_registers); =20 /* MSI(-X) Initailization */ - msix_init_exclusive_bar(pci_dev, msix_num, 4, NULL); + rc =3D msix_init_exclusive_bar(pci_dev, msix_num, 4, NULL); + if (rc) { + goto err_address_space_free; + } for (i =3D 0; i < msix_num; i++) { msix_vector_use(pci_dev, i); } @@ -450,6 +453,11 @@ static void ct3_realize(PCIDevice *pci_dev, Error **er= rp) cxl_cstate->cdat.free_cdat_table =3D ct3_free_cdat_table; cxl_cstate->cdat.private =3D ct3d; cxl_doe_cdat_init(cxl_cstate, errp); + return; + +err_address_space_free: + address_space_destroy(&ct3d->hostmem_as); + return; } =20 static void ct3_exit(PCIDevice *pci_dev) --=20 2.37.2