From patchwork Tue May 31 07:41:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gopal Tiwari X-Patchwork-Id: 578243 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D63DC433FE for ; Tue, 31 May 2022 07:41:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244569AbiEaHlg (ORCPT ); Tue, 31 May 2022 03:41:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244561AbiEaHlc (ORCPT ); Tue, 31 May 2022 03:41:32 -0400 Received: from us-smtp-delivery-44.mimecast.com (us-smtp-delivery-44.mimecast.com [205.139.111.44]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8C65E8CCEE for ; Tue, 31 May 2022 00:41:30 -0700 (PDT) Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-558-6BGb8hCeOUCnD5ofEBvGWA-1; Tue, 31 May 2022 03:41:28 -0400 X-MC-Unique: 6BGb8hCeOUCnD5ofEBvGWA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E4DB085A5B9; Tue, 31 May 2022 07:41:27 +0000 (UTC) Received: from localhost.localdomain.com (unknown [10.64.242.153]) by smtp.corp.redhat.com (Postfix) with ESMTP id 77CFC1410DDB; Tue, 31 May 2022 07:41:25 +0000 (UTC) From: Gopal Tiwari To: linux-bluetooth@vger.kernel.org Cc: luiz.dentz@gmail.com, gtiwari@redhat.com Subject: [Bluez V2 01/13] Fixing memory leak issue in gatt.c Date: Tue, 31 May 2022 13:11:05 +0530 Message-Id: <20220531074117.610321-2-gopalkrishna.tiwari@gmail.com> In-Reply-To: <20220531074117.610321-1-gopalkrishna.tiwari@gmail.com> References: <20220531074117.610321-1-gopalkrishna.tiwari@gmail.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.7 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Gopal Tiwari While performing the static tool analysis using coverity tool found following reports Error: RESOURCE_LEAK (CWE-772): bluez-5.64/client/gatt.c:1531: leaked_storage: Variable "service" going out of scope leaks the storage it points to. Error: RESOURCE_LEAK (CWE-772): bluez-5.64/client/gatt.c:2626: leaked_storage: Variable "chrc" going out of scope leaks the storage it points to. Error: RESOURCE_LEAK (CWE-772): bluez-5.64/client/gatt.c:2906: leaked_storage: Variable "desc" going out of scope leaks the storage it points to. Fixing them. Signed-off-by: Gopal Tiwari --- client/gatt.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/client/gatt.c b/client/gatt.c index 13872c794..4c1efaf75 100644 --- a/client/gatt.c +++ b/client/gatt.c @@ -1527,8 +1527,10 @@ void gatt_register_service(DBusConnection *conn, GDBusProxy *proxy, if (argc > 2) { service->handle = parse_handle(argv[2]); - if (!service->handle) + if (!service->handle) { + service_free(service); return bt_shell_noninteractive_quit(EXIT_FAILURE); + } } if (g_dbus_register_interface(conn, service->path, @@ -2622,8 +2624,10 @@ void gatt_register_chrc(DBusConnection *conn, GDBusProxy *proxy, if (argc > 3) { chrc->handle = parse_handle(argv[3]); - if (!chrc->handle) + if (!chrc->handle) { + chrc_free(chrc); return bt_shell_noninteractive_quit(EXIT_FAILURE); + } } if (g_dbus_register_interface(conn, chrc->path, CHRC_INTERFACE, @@ -2902,8 +2906,10 @@ void gatt_register_desc(DBusConnection *conn, GDBusProxy *proxy, if (argc > 3) { desc->handle = parse_handle(argv[3]); - if (!desc->handle) + if (!desc->handle) { + desc_free(desc); return bt_shell_noninteractive_quit(EXIT_FAILURE); + } } if (g_dbus_register_interface(conn, desc->path, DESC_INTERFACE,