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Fri, 7 Jun 2024 13:36:11 -0500 From: Pankaj Gupta To: CC: , , , , , , , Subject: [PATCH 1/3] i386/sev: fix unreachable code coverity issue Date: Fri, 7 Jun 2024 13:36:09 -0500 Message-ID: <20240607183611.1111100-2-pankaj.gupta@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240607183611.1111100-1-pankaj.gupta@amd.com> References: <20240607183611.1111100-1-pankaj.gupta@amd.com> MIME-Version: 1.0 Received-SPF: None (SATLEXMB04.amd.com: pankaj.gupta@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000044F6:EE_|DM6PR12MB4123:EE_ X-MS-Office365-Filtering-Correlation-Id: b5644ca6-83a6-4a29-95cd-08dc8720b635 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230031|1800799015|36860700004|376005|82310400017; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230031)(1800799015)(36860700004)(376005)(82310400017); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jun 2024 18:36:14.3248 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b5644ca6-83a6-4a29-95cd-08dc8720b635 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000044F6.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4123 Received-SPF: permerror client-ip=40.107.237.66; envelope-from=Pankaj.Gupta@amd.com; helo=NAM12-BN8-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Set 'finish->id_block_en' when block_size read. coverity #1546887 fixes: 7b34df4426 ("i386/sev: Introduce 'sev-snp-guest' object") Signed-off-by: Pankaj Gupta --- target/i386/sev.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/target/i386/sev.c b/target/i386/sev.c index 004c667ac1..7c9df621de 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -2165,6 +2165,7 @@ sev_snp_guest_set_id_block(Object *obj, const char *value, Error **errp) struct kvm_sev_snp_launch_finish *finish = &sev_snp_guest->kvm_finish_conf; gsize len; + finish->id_block_en = 0; g_free(sev_snp_guest->id_block); g_free((guchar *)finish->id_block_uaddr); @@ -2184,7 +2185,7 @@ sev_snp_guest_set_id_block(Object *obj, const char *value, Error **errp) return; } - finish->id_block_en = (len) ? 1 : 0; + finish->id_block_en = 1; } static char * From patchwork Fri Jun 7 18:36:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gupta, Pankaj" X-Patchwork-Id: 13690785 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id B5268C27C53 for ; Sat, 8 Jun 2024 00:09:20 +0000 (UTC) Received: from [::1] (helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sFeRv-0000uH-FK; 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if (!sev_common) { error_setg(errp, "SEV is not configured"); + return NULL; } sev_device = object_property_get_str(OBJECT(sev_common), "sev-device",